HP Digital NetRider manuale d’uso

DI GITA L Ne tRide r Netw ork A cc ess Se rve r Ma na gem ent Pa r t N u m b er : AA - PW 5 V E- T E June 1 997 Revision/Upd ate Informati on : This i s a re vise d document. Software and Ve rsion : DECserver Ne twork Access Software, Version 2.2[...]

© Di git al E quip ment Corp orat ion 19 97 . All rights reserved. Di gita l Equi pmen t Cor por ation mak es no re prese nt at ions tha t th e use of its prod ucts in the manne r des cr ib ed in this do cume nt w ill not i nfri nge o n exi stin g or f uture p at ent r ight s, n or do the de sc ri ption s con ta in ed in thi s doc umen t im ply th[...]

iii Contents Pr ef ac e 1 DNAS M anag ement Ov erv iew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1- 1 Intr odu cti o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 In Thi [...]

iv Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 Introd uct ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 HE LP TU T ORI AL Co mm an d . . . . . . . . . . . [...]

v Exit ing fro m a Men u . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 Usin g Menus to Set Up a Captive Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 Disp laying a Menu Defi nit ion . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

vi Prep a ri ng Tel ne t Li st ener s for In it ia li za t io n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 Do This . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 In iti al izing th e Acces s Se rve r . . . . . . . . . [...]

vii Identi fication Stri ng in a Login Proced ure Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7 KE EPAL IVE TI MER Cha rac ter ist ic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

vi ii 7 TCP/ IP Net work Ch arac teristic s Overvi ew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 In This Chapte[...]

ix Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-25 BOOTP Server Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-25 Learni ng O p era tion . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

x Disp laying Appl eTalk Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12 Com m and . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12 Disp laying Appl eTalk Routes Exa m ple . . . . . . . . . . . . . . . [...]

xi Specif ying L ONGB REAK LOGOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13 Specif ying I N ACTIVITY LOGOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14 Spec ifyi ng the I NA C TIV ITY TIM E R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

xi i Esta blishing a Con nection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 -1 8 Res pons e to Momentar y Los s of CT S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10- 1 9 Disc onnec ting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

xiii Prof iles T ypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 -1 8 Prof ile Char acte risti cs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 -1 8 Tel net C li ent Se ssi on Charac teri stics Pr edefin ed f [...]

xi v Disp laying S e ssio n Stat us . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 -4 8 Termi na ting S es s ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11- 5 1 12 Co nf ig uri ng an d M an agi ng LAT S erv i ce s Overvi ew . . .[...]

xv Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2 Config uring a Printer for Acc e ss Throug h a Telnet Li st en er . . . . . . . . . . . . . . . . . . . . . . . . 13-2 Config uring a Computer f or Acces s Through a Tel net List ener . . . . . . . . . . [...]

xvi Contro l and Data Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-2 Op erat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-4 Config uring LP D . . . . . . . . . . . . . . . . . . . . . . . . . [...]

xvi i Ena bling CS L IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 - 13 Disa bl ing CSLIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 - 13 Au to ma tic C S LIP . . . . . . . . . . . . . . . . . . . . . .[...]

xvi i i Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-2 Dist rib uting Devi c es on Access Serve rs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-2 Contro lling the Number of Kn own Servi ce Nodes . . . . . . . . . . . . .[...]

xix Disp laying a nd Customiz ing Keyboa rd Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-9 Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-9 Server -W ide Keyboa rd Maps Customization . . . . . . . . . . . . . . . . [...]

xx Disp laying L CP Stat us . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 -1 2 Disp laying IPCP Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 - 14 Disp laying AT CP Statu s . . . . . . . . . . . . . . . . . . . . . . . . . [...]

xxi No ve ll O per atio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 -1 7 Opera tional Checkout and Dia gnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 -1 9 Verify ing Configur ation . . . . . . . . . . . . . . . . . . . . .[...]

xxi i Definin g Dialer Script S tri ngs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-4 Assign ing th e Dialer Script t o a P ort . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-6 Steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

xx iii Use r Authentic ation P roced ure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 -1 0 C h an ging a U ser Nam e and Pa sswo rd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22- 11 Use r Authentic atio n Counters . . . . . . . . . . . . . . . . . . . . . . . . .[...]

xxi v 23 Acc ounting Overvi ew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-1 Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-1 In This Chapter . . . . . . . . . . . .[...]

xxv A Cabl e and Ad apte r Recom menda tions Cabl e and Adapter Hardwa re . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 C ab l e and Ada pter Ta ble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Reference . . . . . . . . . .[...]

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xxvii Preface Over view Purp ose Network A cc e ss Se r ver M anagement is written for the per so n who sets up, m aint ains, and m an ages any one of the Digi tal Equi pm ent Corporat ion family of network a cc ess se rver s. To use this manual , you must be familia r with using a termi nal on a Digit a l Equi pm ent Cor poratio n acces s s erve r[...]

xxvi ii Co nventi ons This manual us es the foll owing conventi ons: • The Return k ey, which you mus t pre ss to e xecute a ll c ommands, i s not s hown in com ma nd lin e displays . • The Lo cal > pr omp t, whi ch app ears in most exam ple s, is the def aul t acce ss serv er pr om pt. You can cha nge this prompt t o somet hing othe r than [...]

xxix Associa ted Docume nts Refe r to the follo wing document a tion for ad ditional in formation: • LAT Netw ork Concep ts — Provides a n ov erview of the LAT protocol. • Termi nal Server Manage r Insta ll ation and Use — P rovides the proc e dures to inst all and use T SM . • DECser ver 700 Site Prep arati on and Maint enan ce — Provi[...]

xxx How to O rder Addi tional Docum entatio n To orde r addi tional docum en tation, us e th e followin g inform ation: To O rder : Co ntact: By Teleph one USA (except Alaska, New Hamps hire , and Hawai i): 1-800-DIGITAL ( 1-800-344-48 25) Alaska, New Hampshi re, and Hawaii: 1-603-884- 6660 Canada: 1-80 0-267-6215 Ele c t ronically (USA only ) Dial[...]

xxxi Correspo ndenc e Docum entation Comments If you have comments or suggestion s about this doc um ent, send them to the DIGITAL docum e nta tion or ga nizati on. Onlin e Services To l ocate product-specifi c informati on, refe r to t he followi ng online servic e s: BBS To re ad the B ullet in Bo ard Sy stem, se t your mo dem to 8 bits , no pari[...]

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DNAS M anagement 1 -1 Chapter 1 DNAS Management Over view In troduct ion This chapt er de scrib es the tasks tha t t he following ty pe s of users perfo rm when mana gin g t he acce ss s erv er: • Syst em admini s trat ors w ho configure and manage th e a ccess s erve r • End users of ne tw ork s e rvi ce s and app lication s In This Ch apter T[...]

Configuration Tasks for S ystem A dministrato rs 1-2 DNAS Manageme nt Config uration Tasks for S ystem Adm inistrators Configu r ation Tas ks The foll owing tab le lists t he t ask s th at syst em adm ini strat ors ca n p erfor m w hen co n figu r ing an ac ces s ser v er an d t he chapt er of th is man ual that descr ibe s each t as k: Default Set[...]

DNAS Mana gement 1-3 Managem ent Tas ks for S ystem Administrators Mana g e ment Tasks for Syst em Admi nistra tors Syst em Manage ment Tasks The followi ng table lis ts the tasks tha t s ystem administr ators can perform to manag e the a cce ss ser ve r. T his tab le a lso li sts t he chap ter that de scri bes each ta sk. To M ana ge: Refer to: LA[...]

User Tasks 1-4 DNAS Manageme nt User Task s In troduct ion The a ccess se rver enab les en d users t o perfo rm tas ks such as conne ctin g to n e twork resourc es and managing se ssions. For a de s criptio n of t he se t asks, re fer to t he Spe cifyin g the Tel net C lient Sess ion Pr ofil e sect ion i n Chap ter 11 . Accessin g Online Help The t[...]

DNAS Mana gement 1-5 Storage of Conf iguration Set tings and Changes in M emory Storage of Configura tion Settings and Chang es in Me mory M emory Types The access s erver sto res conf igurati on s ettings in two t ypes of memory: • Permane nt data is store d in nonvolatil e random access memor y (NVRAM). • Opera tional data i s stor e d i n vo[...]

Comman ds to Display and Change Configu ration Settings 1-6 DNAS Manageme nt Commands to Display and Change Configu ration Settings In troduct ion This s ection lis t s the type of com ma nds tha t ope r a t e on the confi gura tion sett ings st ore d i n VR AM an d NVR AM. The CHANGE and SET comm a nds l i sted i n the followin g chapters ha ve an[...]

M anagement To ols 2 -1 Chapter 2 Manage ment To ols Over view In troduct ion This chapt er de s cr ibes the t o o ls for ma nagin g the ac cess s erver . Th e se tool s are: • Ac cess s erver comman d s • Help • Cons ole port • Remote consol e port • Access Serve r Manager, a PC-ba s ed management tool In This Ch apter This chapt e r co [...]

Acce ss Serve r Commands 2-2 Managem ent T ools Acc ess Se rver Co mmands In troduct ion The ac c ess s e rver has a c ommand l ine inter face. You e nte r commands at a prompt on a ter mi na l at ta ch e d to an ac ce ss ser v er po r t . Th e de fau l t for th e p r om p t is: Loca l> Reference For a comple te descripti on of com mand s yntax [...]

Mana gement Tools 2-3 Acce ss Server Commands Use r Grou ps For practi cal purpose s, the a c ces s serve r c o m mand set s yntax is divi ded into com m and gr oups. These groups a re: • Command d escripti ons • CLE AR/PURGE commands • SET/DEFINE/CHANGE c om mands • SH O W/L I ST/ MONI TO R comm and s In the above li s t, the command descr[...]

Acce ss Serve r Commands 2-4 Managem ent T ools Reference For m ore i nformation a bo ut t his com ma nd gr oup and i ts quali fie rs, ple ase refer t o the Netw ork A cce s s Serve r Command Ref er e nce . Privileg ed Comman ds To manag e and confi gure the ne twork, you use privile ged com m ands. To enable priv il eg e d com ma nds , use the S E[...]

Mana gement Tools 2-5 Help Help In troduct ion The acc ess se rver pro vides on line he lp abo u t ac ces s ser ver co mmand s. Thi s secti on des cri bes two types of onli ne help that are ava il able on the acce s s serv er. HELP TUTORIAL Command The comma nd HELP TUTORIAL pr ovid es a brief int roduction to the access s erve r. Yo u en t e r th [...]

Console Port 2-6 Managem ent T ools Consol e Port Di s play ing Po rt P aram eters The con sol e por t r ecei ves the acc ess ser ver sy stem m essag es. A n ac cess s erv er can have only one consol e port at a time. The defaul t conso le port num ber is 1. To change the cons ole port, use the SET/DEFINE/CHANGE CONSOL E PORT command. To find out t[...]

Mana gement Tools 2-7 Remote Cons ole Port Remote Console Port Descri p tion The remote console port is a logical port t hat enable s you to confi gure the access se rver fr om a remot e termina l on the networ k. Feat ures of th e Remote Conso le Port The fol lowing table l i sts the feature s that d istingui s h t he remot e co ns ole po rt from [...]

Remote Cons ole Port 2-8 Managem ent T ools OpenVMS Uti lity — T e rminal S erver Man ager For Ope nVMS systems, DI G ITAL offers the Terminal Server manager ( TSM) to faci lita te managing the a ccess s erver using the MOP rem ote co ns ole. TSM a llows the use r to s to re ac cess i nform ation su c h as the maint enanc e pas s wor d, Eth erne [...]

Mana gement Tools 2-9 Remote Cons ole Port Example: Us ing NCP to Connect to an Access Server Remote Console Port from a Load Hos t The fo llo wi ng ex am ple shows a c onn ect ion f rom an Op e nVM S DE Cn et Ph as e IV l oad ho st t o an acce ss s er ver th at h as t he D ECn et no de na me SHRI MP. T he m ainte nance pas sw ord is FEDCBA. The lo[...]

Remote Cons ole Port 2-10 Managem ent Tools Example: Using MOP t o Connect to an Access Server from a DECnet/OSI OpenVMS Node The follo wing example shows a connec tion from a DECne t/OSI OpenVMS node to an acce ss s erv er remo te co nso le p or t. I n t his ex amp le: • The a ccess se rve r ha s a DECne t node name of DGD 700. • The maintena [...]

Manag ement Tools 2-11 Remote Cons ole Port Example: Us ing CCR to Connect to an Access Server from an ULT RI X DECnet Node The followi ng example shows a con ne cti on from an U LT RIX DECnet node to an acce ss s erv er remo te co nso le p or t. I n t his ex amp le: • The ac ce ss serv e r has the DECn e t node nam e DRU M COR PS. • The mainte[...]

Remote Cons ole Port 2-12 Managem ent Tools Chara cteristics of t he Telnet Remo te Console P o rt The following table d escribe s th e char acteri stics for Tel net re mote cons ole conne c tion s on the access serve r: Characteri stic Description Numbe r o f conne ctions a llowe d on the re m ote cons ole port at one ti me 1 The port i s sha red [...]

Manag ement Tools 2-13 Acces s Server M anager Acc ess Se rver Man ager Descri p tion The Access Server Mana ger appl ication is a management tool for DECserv er acce ss server s. It runs on 32-bit Windows -ba sed operating systems. The Access Serv er Manag e r has a graphi cal user inter face that allows you to easily confi gure some DEC se rver f[...]

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User Int erface 3-1 Chapter 3 User Interface Over view In troduct ion Thi s c hap ter des cri bes how to c ust omiz e and m anag e t he us er i nte rf ace t o t he acc es s se rver . The ac cess s erver p rovi d es two fe atur es to mana ge the us er int erfac e: • A comman d group d efi nes a set of comma nds that a spe ci fied grou p of users c[...]

Comman d Gr oups a nd Men us 3-2 User I nterf ace Command Gr oups and Menus Descri p tion In addit ion to conv e ni ence, command grou ps and menus provi de the access serve r with a securi ty feature. Sinc e c ommand grou ps and menus both have an associa t ed port li st, you can contr ol which users ca n acces s them. Comman d groups and m enus c[...]

User I nterfac e 3-3 Using Comm and G roups Using Com mand Gr oups Creat ing a Comm and Group To create a co m mand gr oup, follo w these steps: Example: De fining a Co mmand Group The followi ng example shows how to ent er indivi dua l commands to defin e a typical com mand group. In this command gr oup, the va lue s % P1 and %P2 repre sent place [...]

Using Comman d Groups 3-4 User I nterf ace Exec uting a Comma n d Group To execute a command g roup, u s e the DO command. Example : Executing a Command Group The following example e xecutes t he comma nd group SE RVICE_A de fined in th e pr evi ou s ex am ple . Wh en th is c omm an d ex ec ute s, i t s ubs ti tut es t he v al ue 3 f or th e po r t[...]

User I nterfac e 3-5 Using Menus Using Menus Display ing a List o f Ena b led Men u s To displ ay a list of the menus ena bled on a port, use the S H OW MENU command. If you are a privi leged user, the SHOW MENU command dis plays the names of al l menu s av a ilab l e on th e acce ss ser ve r. To e nable a me nu on a port, you must use the CHANGE M[...]

Using Menus 3-6 User I nterf ace Assign in g a Def a u lt Menu to a Port To ass ign a default menu to a port, use the DEFINE PORT n DEFAULT MENU com mand. If a port has a de faul t m enu, it displ ays whenever you: • Log in to the port . • Pre ss th e Local Brea k key or en ter the Lo cal S w it c h cha r acter while in a host se s sion. • Lo[...]

User I nterfac e 3-7 Using Menus Figure: W indows on Access Serv er Menus The followi ng figure shows a typi c al acce ss server menu:[...]

Defining Menus 3-8 User I nterf ace Definin g Menus In troduct ion This sectio n descr ibes how to defin e menus and prov ides e xamples. Reference For compl et e informat ion ab out the commands menti oned in thi s secti on, refe r to the Netw ork A cce s s Serve r Command Ref er e nce . Mai n Me nu Whenever the serve r has its fac tory-set defau [...]

User I nterfac e 3-9 D efining Me nus Main Menu Display The followi ng figure shows how the Mai n Me nu disp lays on the screen: De fin ing M enu Cho ic es For each men u choice l ine, you can de fine: • One lin e of display text • A server com m a nd, whic h can : — Speci fy up to 8 optiona l inpu t parameters — Be a DO com man d • A pro[...]

Defining Menus 3-10 User I nte rface Example: S am ple Defini tion of a Menu Selec t ion The follo wing example shows one way to defi ne t he selec tion Open Tel net Session th at appe a rs on line 5 of t he main m enu: Loca l> CHAN GE MEN U MAIN LI NE 5 D IS PLAY "O PE N TE LN ET S ES SIO N" Loca l> C HA NGE ME NU MAI N LIN E 5 P1P[...]

User I nterface 3-11 D efining Me nus If the port is type ANSI, menu it ems can be sele cted by ei ther us ing the up- a nd down- arrow key s or by enter ing the item number. To use the arrow key s , press the up - or down-ar row k ey unt il the desi red it em is highligh ted and press Return. If the port is type SO F TCOPY or HARDCOP Y , you ca n [...]

Defining Menus 3-12 User I nte rface Line 7 Ex ecut e: CONN EC T T ELNE T 195. 20 .0 .15 Line 7 Di spla y: TCP/ IP Ho st Line 9 Di spla y Logo ut Line 9 Lo gout LOGO UT Purg ing Me nu Li ne s an d En tir e Me nu s Use the PURGE MENU command to dele te a st ring from a menu line , an enti re menu line , an enti re menu, or all menus fr om the acce s[...]

M anaging Lo ad Hosts 4-1 Chapter 4 Managing Load H osts Over view In troduct ion This c hapter descr ibes the com mand proce dures that you us e to m a nage h os ts that load the acc ess server soft wa re image on a LAT network. In T h is Chapter This chapt e r co ntains the fo llo wing topic s: • DSV$CONFIGURE • DSVCONFIG • Usin g a BOOTP/T[...]

Load Host Procedures 4-2 Managi ng Load Hosts Load Host Proc edure s Des cri ption The speci fic com mand procedure tha t you us e to manag e th e load hos t depe nds on t he netwo rk version, protocol, and operat ing system of the load ho st. The fol lowing tabl e lis ts th e av ail ab le co mb in at ion s, wi th a ref ere nc e to th e rela te d s[...]

Manag i ng Lo ad Hosts 4 -3 DSV$CONFIGURE DSV$CONFIGURE In troduct ion DSV$CONFIGURE is a command proc e dur e tha t runs on a DECnet Phas e IV OpenVMS l oad host or on a DECnet/OSI OpenVMS lo a d hos t. Thi s proc edure ena bles you t o: • Maint ain confi guration info rm ati on a bou t ac ce ss servers. • Modify th e local MOP (Mainte nan ce [...]

DSV$CONFIG U RE 4-4 Managi ng Load Hosts Example: Starting DSV$CON FIG URE and D isplaying Help The followi ng example shows how to us e the symbol DSV to start DSV$CONFIGURE. This examp le als o s hows how to use HELP to displ a y a list of DSV$CONFIGURE commands. The remaind er of thi s section exp la ins each com mand sh own. $ DS V %DSV -I -ID [...]

Manag i ng Lo ad Hosts 4 -5 DSV$CONFIGURE Exam ple: DSV$CONFIGURE ADD Command This e xample s hows t he ADD command on a DECnet/OSI s yst em. In thi s exa mple, a t the en d of eac h lin e you must press ret urn to contin ue. DSV> A DD SE RV ER _Ser ve r N ame: DG D700 _Eth er net Add re ss: 08 -0 0-2 B-26 -A E- 32 _Ser ve r T ype: DS 700 _Ser v[...]

DSV$CONFIG U RE 4-6 Managi ng Load Hosts Examp le: DELETE Com mand f or DS V$CONFIGURE The followi ng example shows the DELETE command. T his exampl e omits the optio nal SERVER keyword . In this e xample , NCL d is plays the mess ag e NOD E 0 MOP Cl ient DGD700 on a DECnet/O SI system . NCP dis plays a simila r mess age on a DEC net Pha se IV sy s[...]

Manag i ng Lo ad Hosts 4 -7 DSV$CONFIGURE Example: CONNECT Command for DSV$CONFIGURE on a DE Cnet/OSI System The fol lowin g e xampl e s hows ho w to use CCR and DSV $CONFI GURE to conn ect t o a remote consol e port fro m a DECnet/OSI sy s tem: DSV> U SE DG D7 00 %CCR -I -CO NNES T, con ne ct ion e st abli sh ed to r em ote sy st em 08 -0 0- 2B[...]

DSV$CONFIG U RE 4-8 Managi ng Load Hosts Context-Se n si tive H elp for DSV$CONFIGURE DSV$CONFIGURE pr ovides contex t-sen sitive help. At any prompt ot he r t han the Local> prompt after a CONNECT/USE command, typ e a quest io n mar k (?) for an expl anation.[...]

Manag i ng Lo ad Hosts 4 -9 DSVCO NFIG DSVCONFI G In troduct ion DSVCONFIG is a menu-dri ven command procedur e that runs on DECnet Pha s e IV and DECnet/OSI UL TRIX load hosts. T his p rocedure e nables you to: • St ore co nfigurat ion data about t he acc ess server in t he DECnet n ode da tabase s. • Do wn li ne lo ad th e so f twa r e im ag [...]

Using a BOOTP /TF TP Server 4-10 Managi ng Load Hosts Using a BO OTP/T FTP S erver In troduct ion A BOOTP /TFTP se rver is a UNIX host tha t downl oads the access serv e r softwa re usi ng the B O OTP and TFTP pr otocols. T he BOOTP/T FTP se rver st ore s the i nfor mation ne cess ary to do wnline lo ad th e acces s ser ver s oftwar e i n the /etc/[...]

Managing Load Hos ts 4-11 Usi ng a BOOTP/ TFTP Server Rem ote Co nnectio n Pass word DNAS has a password feat ure for remote lo gins, similar to the mai n logi n pass word. DNAS uses a single val ue for th e remot e password s erv er-wide that is sepa ra te from the m ain l ogin pas s wor d. The fact ory de fault val ue is t he s ame, howe ver, for[...]

Upline Dumping 4-12 Managi ng Load Hosts Upline Dumpi ng In troduct ion The ac ce ss ser v e r upli ne dum ps it s m em o ry w hen : • An unexpe c ted fa ilu re occurs. • Yo u fo rce a cr a sh . The acc es s server always dumps to a lo ad hos t wit h the protoc ol that was used for its do wnloa d. After an uplin e dum p, the ac cess serv er aut[...]

Managing Load Hos ts 4-13 Term inal Server M anag er (TSM) Ter minal Server Manag er (TSM) In troduct ion TSM is a util it y that ru ns on Open VMS load hos ts. TSM enabl es you t o config ure and man age t he acc ess se rver s on the sa me ext ended LA N. TSM is not inc luded in the access serve r s oftwa re a nd must be pur cha sed separately. Re[...]

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Initia liz in g th e A c ces s Serv e r 5- 1 Chapter 5 Initializi ng the Acce ss Ser ver Over view In troduct ion This chapte r d es cr ibe s how t o i nit ia li ze th e a cc ess se rve r. I nit iali zin g t he ac ce ss ser ver relo a ds the soft ware image. In itial izing t he ac ce ss ser v er doe s not af fect th e co nfig urat ion set ting s st[...]

Preparing LAT S ervices for Initializatio n 5-2 Ini ti alizing the Acc ess Server Prep aring LAT Se rvi ces for Init iali zation Do This If the access ser ve r offers LAT servic es, fol low t hes e ste ps before you ini ti ali z e: The time th at it ta ke s for t he que ue to empty depends upon the numbe r of requests tha t it c o nt ain s. Ste p A[...]

Init ia liz in g th e Ac ces s Se rv e r 5-3 Preparing Telnet Listeners for Initializ ation Pre p a ri ng Telnet L istener s for In i tial i zati on Do This If the acce s s serv er ha s Teln e t lis teners, foll ow the se st e ps bef ore you initial ize: Ste p A ct ion 1 Disab le furthe r Telnet c onnect ions. The net work acces s server fa il s to[...]

In it i al i z i n g the Acce ss Se rve r 5-4 Ini ti alizing the Acc ess Server In itiali zing th e Access Serve r Using th e INITIAL IZE Command To us e the INITIAL I ZE com m and, log in to on e of the fo llowing: • A t erm inal a tta ched to t he acce ss s erv er • The remo te c onsole port Login Method s You c an use any of t he fol l owing[...]

Init ia liz in g th e Ac ces s Se rv e r 5-5 Initi alizing the Access Se rve r Spe cifying In itializat ion from a L o ad Hos t To sp ecify in itial iz ation fr om a networ k load host, use t h e fo llowing co m mand : Loca l> IN IT IALI ZE FRO M ETH ERNE T This comman d caus es the ac ces s ser v er to r e quest t h e image n a me sto red in i [...]

In it i al i z i n g the Acce ss Se rve r 5-6 Ini ti alizing the Acc ess Server Using th e DIAGNOSE Op tion with INITIAL IZ E Usin g the DIAGNOSE opti on with INITIALIZ E ena bles you to t est the ac c es s server hardwa re. Y ou can specify thre e typ es of test s as describ e d in the INITIALIZE DIAGNOSE Option Tests. The fol lowing e xample show[...]

Init ia liz in g th e Ac ces s Se rv e r 5-7 Using NCP to Initiali ze the Ac cess Server Usin g NCP to Ini tiali ze the Access Serv er NCP Initializa t ion Commands The fo llo win g t abl e sh ow s th e N CP com m and s u sed t o in itia liz e t he ac cess serv er if you a re on a load host: The NCP LOAD and T RIGGER commands do not have any automa[...]

Booting from the Network 5-8 Ini ti alizing the Acc ess Server Booting from the Network Load in g th e Software Im age If your n etwork s erver i s confi gured with Flash RAM, but doe s not ha ve t he c orrect im age, th e acce ss s erv er per form s a ne two rk loa d. Dete rm inin g Bo ot Pr ot oco ls Dur ing the network boot se quen ce, the acces[...]

Init ia liz in g th e Ac ces s Se rv e r 5-9 Booting Using Console Comma nds Booting Us in g Conso le Comm ands In troduct ion Console funct i on s require DE Cse rve r ROM Version 4.0 or great er. If you prog ram F lash R AM wit h a nons tandar d bo ot image na me a nd a loa d h ost i s not avai lable, pre s si ng the res e t-to-facto ry butto n m[...]

Booting Using Console Comma nds 5-10 Init ializing the Ac cess Server Boot Command O p t ions The followi ng table lis ts the command options you c an s e lect for the boot comm and: Option Definition Associated Option s B This co mmand, without a n argum ent, star ts a new boo t sequ e nc e to load th e acce ss ser v e r wit h a n ex e cut able i [...]

Ini t ial izing the Acc ess Ser ver 5-11 Booting Using Console Comma nds B/M This co m mand boots the mainte nance mode softwar e for the acce ss s erv er. T he n etw or k l oad host defines this soft ware and is typic ally based on the E therne t MA C ad dres s o f t he acce ss s erv er. – B/S This co m mand bo ots the standard syst em sof twa r[...]

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Con figuri ng LAT Ch ar acteri stics 6 - 1 Chapter 6 Configuring LAT Character istics Over view In This Ch apter Thi s cha pte r d es cribe s ho w t o c onfi gure th e L AT cha ract eri stic s fo r th e acces s se rv er. This chapt e r co ntains the fo llo wing topic s: • LAT Cha racte rist ic s • Disp laying LAT Char ac teristi c s • ANNOUNC[...]

LAT Characte ristics 6-2 Configur ing LAT Ch aracteri stics LAT Characte r isti cs Pr eparing to Cha nge LAT Char acteristic s Before you cha nge LAT chara ct eristics , make sure to: • In stal l the lat est s oft ware i mage on t he ac ces s s erver and all load host s. • Rea d t he re lease not es. • Know wha t devic es and c ables are c on[...]

Confi guring L AT Character istics 6 -3 LAT Ch aracteristics PASSCHECK 200 0 to 200 PASSCHEC K Char acteris tic QUEUE LIMI T 100 0 to 200 QUEUE LIMIT Char acteris tic RESPONDER Disabled – RESPONDER Char acteris tic RETRANSMIT LIMI T 8 4 to 1 20 RET R ANSM IT LIMI T Cha rac ter isti c SERVICE GR OUPS 0 ENABLED, 1 to 255 DISABLED 0 to 255 Servi ce [...]

Displ a yi ng LAT Characteri stics 6-4 Configur ing LAT Ch aracteri stics Disp la ying LAT Char acte ristics Comman d To Use To d i s pl ay th e curr ent LAT ch ara cteri stic s, us e the SHOW /LIST/ MONI TOR SERVER command as shown i n the fol lowing e xample . LAT Ch aracterist ics Display E xamp le The following e xample shows a typi cal di spla[...]

Confi guring L AT Character istics 6 -5 ANNOUNCEMENTS Cha racteri sti c ANNOUNCEME NTS Characteristic In troduct ion The ANNOUNCEMENTS c haract e ristic determine s if t he access server s ends LAT mult icas t mes s ag e s abou t loca l ser vices o v er t he Eth ernet. The a ccess ser v er does not se nd any an nouncements if no loc al services are[...]

CIRCUIT TIMER Ch aracte ri sti c 6-6 Configur ing LAT Ch aracteri stics CIRCUIT TIMER Ch aracteristic In troduct ion The C I RC U IT TI M E R ch a r ac te ri st ic de fin es the inte rva l at whi ch th e ac ce ss ser v e r se nds virtu al circ uit messages to the LAT ser vic e node. This val ue is im portant for bala ncing fast r e spons e tim e an[...]

Confi guring L AT Character istics 6 -7 I D ENTI FIC ATI ON C har act e ri s t i c IDENTIFICATION Characteristic In troduct ion The IDENTIF ICATION charact e ris tic is a string t hat can be up to 40 ch aracters l ong. This s tring displ a ys: • Under the welcom e banner duri ng a login proced ure • In the S HO W SE R V ER di sp la ys The ac ce[...]

KEEPAL IVE TI MER Cha r a cter is tic 6-8 Configur ing LAT Ch aracteri stics KEEPALIVE TIMER Char acteristi c In troduct ion The K EEPALI VE TI MER ch aract eristic mainta ins a v irtual circui t between the acce ss se rv er and s erv i ce node w he n no me ssa ges ar e ex ch an ged over a pe rio d of tim e. I f th e kee pali ve t ime r expir es, t[...]

Confi guring L AT Character istics 6 -9 MU LTI CA ST TI MER Char acte ri s t i c MULTICAST TI MER Cha racteris tic In troduct ion The M ULT IC AST TIM ER ch ara cter ist ic det erm ine s t he i nte r val at whi ch a ser vi ce node s end s serv ice announcement s. Mult icast Timer Default Val ues You can spec ify a v alu e from 10 to 180 seco nds. T[...]

ACCESS SERVE R NAME Cha racteri sti c 6-10 Confi gur ing LAT Characte ristic s ACCESS SERVER NAME Ch aracteristic In troduct ion The SER VE R NA ME ch ar acte rist ic i s a s trin g o f 1 to 16 cha rac te rs. This n am e mu st be u niqu e on t he LAT net work. Whe n t he ac cess server offe rs a ser vice, i t periodi call y mult icast s the name ov[...]

Confi guring LAT Character istics 6-11 NODE LIM IT Characteristi c NOD E LIMIT Ch aracte ristic In troduct ion The NODE LIMIT characteri stic specifi es the maximum number of LAT s ervi ce no des tha t the acce ss serv er main tains in its node dat abase. The rang e is from 1 to 20 00, and the d efault is 20 0. You can als o speci fy a node limit o[...]

Acce ss SERVER NUMBER Characte ri stic 6-12 Confi gur ing LAT Characte ristic s Access SE RVER NU MBER Characte ristic In troduct ion Eac h acce s s s erver has a num ber th at unique ly i d en tifi es it . Access S ERVER NUMBER Values This number i s a va lue fr om 0 to 32,767. T he de fault is 0. Whe n the ac cess ser v er off ers a s er vic e, i[...]

Confi guring LAT Character istics 6-13 PASSCHECK Cha rac teri sti c PASSCHECK C haracteris ti c In troduct ion The PASSCHECK charact e ris tic determines wheth e r a host is requir ed to provide a pas sw ord a s part of a host i nitiate d c on t act (HIC) request to a password-pro tected l oc al se rvic e. With PASSCHECK disa ble d, HIC requests ar[...]

QUEU E LI MIT Chara c t eri sti c 6-14 Confi gur ing LAT Characte ristic s QUEUE LIMI T Characte r isti c In troduct ion The LAT QUEUE LIMIT c harac te r i sti c specif ies the m a ximu m number of out s tand ing conne c tion requests fo r remote access t o access server ports. The range is from 0 to 200, a nd the defau lt is 100. Specia l QUEUE L [...]

Confi guring LAT Character istics 6-15 RETR AN SMI T LIMI T Ch a r a c te risti c RETRANSMIT LIMIT Characteristic In troduct ion The RET RANSMI T LIMIT ch ara cteri stic spe cifie s the num ber o f time s th at the ac cess se rver res ends a mess age withou t an a cknowled gment. Af te r the spe cifie d tim e li mit, the acc e ss serv e r t imes ou[...]

RESPONDER Characteristic 6-16 Confi gur ing LAT Characte ristic s RESPONDER Characteristic Access S erver Ma pping In or der t o connect to ot her n odes on t he LAN, the acce s s ser ve r mus t be abl e to map node na m es , port names , and se rvices to spe c if ic nodes. Dat agram Ty pes LAT pro vide s the fo llo wing s pecif ic type s of data g[...]

Confi guring LAT Character istics 6-17 RESPONDER Cha racteri sti c Changing th e RESPONDER Characteristic The fac tory defaul t setti ng for the RESPONDER ch aracteris tic is di sabled. T o en able it, use the fol lowing command: Loca l> CH ANGE S ER VER RE SPOND ER E NABL ED Use t he SHOW SE RVER com m and to dete rmine t he cur rent s ettin g.[...]

S erv ic e Grou ps 6-18 Confi gur ing LAT Characte ristic s Se r vice Gr oups In troduct ion A s e rvice g roup de fines t he acce ss that service nodes a nd port us ers ha ve to t he netwo rk. Each servic e grou p has an ide ntifying num be r from 0 to 255. View ing Servic e Groups To vie w se rvic e groups that have access to servi c es on th e a[...]

TCP/IP Network Ch aracteri stics 7 -1 Chapter 7 TCP/IP Ne twork Char acteristics Over view In troduct ion This chapter describes t he confi guration c haracteris t ics for a TC P/IP n e twork. T o enab le the a cces s server to opera te on a TCP/IP network, you need to: 1) Config ure the Interne t a ddr es s and subne t m ask. 2) Co nfigu re th e T[...]

7-2 TCP/I P Networ k C hara cterist ic s • Learni ng IP Inf orm ation F r om a DHCP Server • Assign ing WINS Server Addre sses[...]

TCP/IP Network Ch aracteri stics 7 -3 Configuring the Internet Address and Subnet Mask Configurin g the Interne t Address and Subnet Ma sk Tasks You can pe rform the fol lowing tasks: • Se t an Int ernet ad dres s. • Se t a s ubnet mask. • Disp la y the Int ern et addre s s and subn e t mask. Altern ative: L earni ng IP I n formation You can [...]

Configuring the Internet Addre ss and Subnet Mask 7-4 TCP/I P Networ k C hara cterist ic s Set ting an Int ernet Su bnet Mask The Internet sub net mask i s us e d to pa rtiti on the host sect ion of a n Internet a ddr ess int o subn ets. The defaul t subne t mask de pends on the clas s of the In ternet addr ess tha t you as signed. The followi ng t[...]

TCP/IP Network Ch aracteri stics 7 -5 Configuring the Internet Address and Subnet Mask supe rnetting, you ca n give a Cla s s C s ubnet mask a range of 255.255.0 .0 to 255.2 55.255.254. Thi s allows you to address a blo ck of Cla ss C IP addresses as a “dom ai n” or a sing le des tination ad dres s w ith more than 254 hosts.[...]

Configuring the Internet Addre ss and Subnet Mask 7-6 TCP/I P Networ k C hara cterist ic s Display ing th e Internet Address an d Subnet Mask To displ ay the Interne t a ddr es s and subne t m as k, us e th e SH OW/LIST /MONIT O R INTE RN E T co m m an d . Internet Address and Subnet Mask Display E xam ple The followi ng example shows how to dis pl[...]

TCP/IP Network Ch aracteri stics 7 -7 Configuring Dom ain Name System (DNS) Ch aracteristics Confi g uri n g Domain Name Syst em (DNS) Ch aracteristi cs Tasks This se cti on de scrib es h ow t o d isplay an d se t the acc ess se rver cha racte risti cs f or the Intern et dom ain n ame syste m ( DNS ) to res olve host n ame s in to Intern et a ddre [...]

Configuring Dom ain Name System (DNS) Characteristics 7-8 TCP/I P Networ k C hara cterist ic s Name se rve rs ( Le arne d) : 99.9 9. 99. 99 Local name. ac me .com 88.8 8. 88. 88 Local secon da ry .acm e. co m DHCP s erv er: 16 .20. 24 4. 250 Loca l> The following table d escribe s th e DNS c haracteris tics t ha t a ppear in t he pre vious ex am[...]

TCP/IP Network Ch aracteri stics 7 -9 Configuring Dom ain Name System (DNS) Ch aracteristics Display in g the DNS Counters To displ ay the DNS counters , use the SHOW/LIST INTERNET NAME RESOLUTION COUNTERS command. To rese t the DNS counter, us e th e Z ERO INTERNET NAME RESOLUTION COUNTERS command. DNS Counter Display Example The followi ng exampl[...]

Configuring Dom ain Name System (DNS) Characteristics 7-10 TCP/I P Networ k Characterist ics Configuring t h e Default Name Res olutio n Domain Config uring the default domain name chara cteristic enables you to abbre viate Inte rne t host names in co mmands. To c onfigure th e Defau lt Name Resol uti on Doma in, us e the DEFINE/SET/CHANGE INT E RN[...]

TCP/IP Net work Charact er istics 7-11 Configuring Dom ain Name System (DNS) Ch aracteristics The fol lowing e xample shows the procedure for and results of confi guri ng the default name resol ution to FINANCE.ACME.COM: Using Tr ailing Dots The acc es s server uses a se quence of name re solution attempts when you ente r a host nam e with out a tr[...]

Configuring Dom ain Name System (DNS) Characteristics 7-12 TCP/I P Networ k Characterist ics Chang ing the T ime Lim it The doma in nam e resolut ion tim e limit sp ecifi es the tim e that the ac cess serve r waits before it resends a q uery to a name se rver. The rang e is fr om 1 to 10 seconds, and t he defa ult is 4 seconds. To ch an g e th e ti[...]

TCP/IP Net work Charact er istics 7-13 Configuring Dom ain Name System (DNS) Ch aracteristics Conf ig uring a List of Commonly Used Internet Ho sts You can opt ionally ent e r commonl y used Inte rnet host names and addr esses in the acce ss s erv er ca ch e. The followi ng command shows how to do thi s : Loca l> CH ANGE I NT ERNE T HOST SA LE S[...]

Configuring Dom ain Name System (DNS) Characteristics 7-14 TCP/I P Networ k Characterist ics A loc al nam e serve r is a ny name s erver t hat is authorit ative for the default domain of the access se rve r. B efore a ddi ng a local nam e serve r, yo u must fi rst define the acce ss server domai n name. T he fol lowing examp le shows h ow to e nter[...]

TCP/IP Net work Charact er istics 7-15 Configuring Dom ain Name System (DNS) Ch aracteristics If the access s e rver c a nnot re ach a learned nam e serv e r becaus e of gate wa y restrict ions outs ide the server , it does not flag the unrea cha ble name server. This can oft en c aus e nam e resol ution to ti m e o ut and fail. I n thi s confi gur[...]

Configuring a List of Internet G ateway A ddresses 7-16 TCP/I P Networ k Characterist ics Conf i guring a List of In ternet Gatew ay Ad dr ess es In troduct ion If the a c cess server users ne ed to access host s in diff erent ne tworks or subnet s , you c a n defi ne a da tabase of Int e r ne t gat e ways . The acce ss s erver uses g a teway s to [...]

TCP/IP Net work Charact er istics 7-17 Configuring a List of Internet Gateway Addresses De fi n i ng Netw or k s Av a il abl e Th ro ugh a Sp ecif ic Gat eway To indi c ate that the acces s serve r can reac h a give n network through a spec ific gate wa y, use the DEFINE/SET/CHANGE INT E RNET GATEWAY com mand wit h the NETWORK paramete r to do thi [...]

Configuring a List of Internet A RP Entries 7-18 TCP/I P Networ k Characterist ics Config uring a L ist of In ternet ARP Entrie s In troduct ion The l ist of address resolutio n protoc ol (ARP) entries maps Inter net a ddresses t o Etherne t ha rd ware addresses for devices on the same network as the access server. You only need to en ter the netwo[...]

TCP/IP Net work Charact er istics 7-19 Setting the T CP Keepal ive Timer Setti ng the TCP Ke epaliv e Ti mer What t he Timer Does The TC P kee pa live tim e r det ermines whe ther a TCP co nnection wi th a rem ote host is act ive and should r emain open. Aft er t he acces s ser ver an d a re m o te host establ ish a T CP co nnecti on, th e acce ss [...]

Setting the T CP K eepalive Timer 7-20 TCP/I P Networ k Characterist ics Retry Set E xample The following exa m ple show how to set the maxim um number of keepa live probes that the a cce ss ser ve r sends (1 0): Loca l> CHA NGE INTE RNET TC P KEEP ALIV E RE TRY 10 Display ing Timer Characteri stics Use th e SHO W /L I ST IN TE RNE T co mm an d [...]

TCP/IP Net work Charact er istics 7-21 Displaying the Internet Counters Disp laying the In ternet Counter s Using the SHOW Command Use the SHOW/LIST/MONIITOR INTERNET comm and to display the Int ern e t count ers. To reset the Inte rnet count ers, u s e the ZERO INTER N ET COUNTERS comm an d. To re set the Inte rnet count e rs, u se the Z E RO INTE[...]

Displaying the Internet Counters 7-22 TCP/I P Networ k Characterist ics Inter n et Count er Display F ields The followi ng table des cr ibes the fields in a ty pical Inte rnet counters dis play: Field Description TCP Segme nts The following counters contain statis tics on TCP segm en ts: Trans mitte d: Total number of TCP se gm ent s tr ansmitt ed [...]

TCP/IP Net work Charact er istics 7-23 Displaying the Internet Counters IP Fragme nts D r opped: Total numbe r of IP fragments dropped due to eit he r a lack of me m o r y to sto r e the fra gm en t or rece iv ed a dupli cate fragm e nt. IP Error in Header: Total number of IP dat agrams recei v ed with errors in t h e hea der. Th es e ar e disc ard[...]

Displaying the Internet Counters 7-24 TCP/I P Networ k Characterist ics UDP Da tagrams The following counters contain statis tics on conne ctions: Trans mitte d: Tota l numbe r of UDP datagra ms tra nsmitt ed by the networ k access server. Receive d: Total number of UDP d a tagram s rece ived by t he networ k access server. Dropped: Tota l number o[...]

TCP/IP Net work Charact er istics 7-25 Learning I P Inf ormation F rom a BOOT P S erver Learning IP Inform ation From a BOO TP S erver In troduct ion Instea d of manual ly config uring IP informati on, y ou can h ave the access se rve r l earn its IP addre s s and othe r IP configu ration inform at ion from a BOOT P serve r on the networ k. If you [...]

Learning IP Information From a BOOTP Server 7-26 TCP/I P Networ k Characterist ics Setting Up IP Configuration Le ar ning Do the foll owing to set up your a cc e ss se rver t o lea r n IP confi gura tion informa tion fr om a BOOTP server on the net work: Ste p Action 1 Se t up the B OO T P se r ver : a) Add an entry f or th e ac cess serv er’s Et[...]

TCP/IP Net work Charact er istics 7-27 Learning IP Information F rom a DHCP S erver Learning IP Inform ation From a DH CP Ser ver Descri p tion You can use th e Dyna m ic Host Confi guration Pro tocol (DHCP) to autom at ically co nfigu re T CP/IP char acter istic s on th e acce ss s erv er an d rem ote c lient s. DHCP pr ovides dynam ic ass i gnmen[...]

Learning IP Information F rom a DHCP S erver 7-28 TCP/I P Networ k Characterist ics DHCP Client Opera t ion Dur i ng initiali zation, the acc e ss s erver ac ts as a DHCP clie nt to obt ain IP c onfigurati on para m eters (e xcluding the IP a ddress; use a BOOTP server or th e DEFINE INTERNET ADDRESS c om mand to configure the IP a ddress). The acc[...]

TCP/IP Net work Charact er istics 7-29 Learning IP Information F rom a DHCP S erver DHCP Proxy Op er ation The acces s serv er can act as a DHCP prox y to provide IP addr ess ass ignment for m ost remote clients. IP Address Assig nm ent When you en able DHCP, the access s erver send s request s for IP addr esses to a DHCP se rve r on behalf of the [...]

Learning IP Information F rom a DHCP S erver 7-30 TCP/I P Networ k Characterist ics IP Address Renewals Whe n t he DHCP se rver as signs an I P addr ess to a r emote cl ient, i t “lea ses” th e addr ess to the remote clie nt for a finit e or infi nite amount of tim e . If the leas e is abou t to expire and t he remote c lient s til l has a dial[...]

TCP/IP Net work Charact er istics 7-31 Assigni ng WINS Serve r Addresses Assig ning WINS S erver Addresses What Does WINS Do? Windows Inter net Naming Servi c e (WINS) perform s NetBIOS name a nd IP address resolut ion, similar to the Domain Name Servi c e (DNS). WINS allows systems that us e NetBIOS to c om muni cate with each other over TCP/ IP. [...]

Assigning WI NS Server A ddresses 7-32 TCP/I P Networ k Characterist ics Assign in g WINS Address es If you enable DHCP on the ac c es s server, it receives the WINS se rve r addresse s from a DHCP serv er on the net w ork and writ es the val ues to VRAM when you re ini tialize the access se rve r. Wh en a rem ot e clie nt send s a req uest t o th [...]

TCP/IP Net work Charact er istics 7-33 Assigni ng WINS Serve r Addresses Name se rve rs ( Le arne d) : 99.9 9. 99. 99 Local name. ac me .com 88.8 8. 88. 88 Local secon da ry .acm e. co m DHCP s erv er: 1 6.20 .2 44 .250 Loca l> The fol lowing t able lists the WINS cha r a cteristic s displ a yed i n the prev ious exa m ple. (See th e Displaying [...]

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M anaging App leTalk 8 -1 Chapter 8 Managing AppleTalk Over view In troduct ion This ch apter explains how to c onf igur e and manage the Appl eTalk protocol sui te on an access serve r. In This Ch apter This chapt e r co ntains the fo llo wing topic s: • Config uring AppleTa lk on a n Access Serve r • Disp laying AppleT al k Characte ristics ?[...]

Configuring Appl eTal k on an Access Server 8-2 Managi ng AppleTal k Confi g uri n g AppleT alk on an Access Ser ver In troduct ion You c an config ure an a ccess se rver to a ct as an AppleTalk node on the net w ork a nd many diffe re n t compone nts can then be monit ore d. The conf iguration of the Apple Talk cha ract eri stics can be done onl y[...]

Manag i ng App l eTalk 8-3 Configuring AppleT alk on a n Ac cess Serv er Dis ablin g Apple Talk If you deci de that your ac c ess s erver sh ould no lo nger act as a n AppleTalk node, a ll AppleTa lk capabili ties can be turn e d off using the fol lowi ng privilege d DEFINE comm an d: Loca l> DE FINE A PP LETA LK DISA BL ED Rein itializ e the ac[...]

Configuring Appl eTal k on an Access Server 8-4 Managi ng AppleTal k The default value f or n is the number of acc es s server a s ynchr onous ports divide d by 8. Fo r ins t a nce, t he def ault ca che si ze on a 1 6 por t acce s s ser v er woul d b e 2 . The DEFINE APPLETALK ADDR ESS CACHE command le ts the access server manage r trade off addres[...]

Manag i ng App l eTalk 8-5 Displaying AppleTalk Ch aracteristics Disp la ying AppleTal k Ch a ra cteristi cs Comman d s Use t he LIST APPLETALK CHARACTERISTICS command to d isplay the AppleTa lk charact eri s tic s. This command is nonpri vileged. Use the SHOW /MONITOR APPLETALK STATUS command to see the values be ing use d oper ationall y. Display[...]

Displaying Appl eTalk Counters 8-6 Managi ng AppleTal k Disp la ying AppleTal k Co unte rs Comman d Use the SHOW /MONITOR APPLETALK COUNTERS command to display the Apple T alk c ounters on an a ccess s erver. The co m mand i s non privilege d. Di spl ayi n g Ap ple T alk Co un te r s E xa m pl e The followi ng example shows a typ ical displa y when[...]

Manag i ng App l eTalk 8-7 D isplaying Apple Talk Count ers Unsent Re sponse s The n um ber of AARP res ponses tha t could not be s ent due to i nsufficient acce ss ser ver r esour ces. DDP In Receives The number of DDP datagrams the acc es s se rv er ha s r ece ived , in cludi n g thos e re ceiv ed in er ror . Out Request s The numb er of DDP data[...]

Displaying Appl eTalk Counters 8-8 Managi ng AppleTal k Broadcas t E rro rs The number of inpu t DDP data grams dropped because t h e acc e ss se rver was not t heir final d esti natio n and t hey we re addres s ed to the link le vel broadcast . Out Shorts T he number of sh ort DDP data gra m s tran smitte d. Out Longs The number of long DDP datagr[...]

Manag i ng App l eTalk 8-9 D isplaying Apple Talk Count ers AARP Values Two i mporta nt count er value s are those for AARP . Uns ent AARP pr obes or res ponses can i ndicate network proble m s. T his happens when th e a cce ss ser ver is too over l oaded to r es pond to AARP reques t s. When there are uns e nt probes, oth e r AppleT al k nodes can[...]

Displaying A ppleTal k Sta tus 8-10 Managi ng AppleTalk Disp la ying AppleTal k Status Comman d Use the SHOW/MONITOR APPL ETALK STATUS command to di s play the Apple T alk s tat us o n the access server . T he command is nonprivi le ged. Display ing App leTalk Stat us Exampl e The following exa m ple shows how to displ ay the AppleTalk s t atus on [...]

Managing Appl eTalk 8-11 Displaying AppleT alk Status Up AppleT alk is fully operat ional. Ad dress Th e Ap pl eT alk addr es s of t he ac cess server, learned from the EtherTal k network at i nitiali zation. Its va lue is 0.0 until th e Learning s ta te. Network The Apple T alk network rang e the acces s serve r learne d at init ializ at ion. If n[...]

Displaying Appl eTalk Routes 8-12 Managi ng AppleTalk Disp la ying AppleTal k Ro ute s Comman d Use the SHOW /MONITOR APPLETALK ROUTES command to display the avai lable Apple Ta lk rout es to an access se rve r. T h e comm and is nonp rivi leged. Display ing Appl eTalk Routes E xample The followi ng example shows how to use the S HOW A PPLETALK ROU[...]

Managing Appl eTalk 8-13 D isplaying A ppleTalk Routes Sta tus Th e curr ent st ate of the ro u te, as f ollo w s: Up The route is known to be vali d. Suspe ct The rout e is thought va lid , but has not bee n refreshed recent ly. Bad The rout e has not been refresh ed recen tly enough to warrant furth er use. Down The route e xists i n the routi ng[...]

Displaying Appl eTalk ARP E ntries 8-14 Managi ng AppleTalk Disp la ying AppleTal k ARP En tri es In troduct ion When a n atta che d host s ends a mes s a ge t o an unknown App le T alk node o n t he a cc e ss se rver netw o rk, the acce ss serv e r cre ates an entry in th e Apple Talk ARP ca che an d tran smits an ARP request for the node’s da t[...]

Managing Appl eTalk 8-15 Displaying AppleTal k ARP Entries Local T he entry des igna tes either: 1 A host tha t is presentl y runni ng A pple T alk over it s asynchr onous link to the access serve r or 2 The ac ce ss ser ver A ppleT alk a d d res s Acquired The en try has been pre-a cq uired for l ater us e by an at ta ch ed A p pl eT al k host . I[...]

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Conf iguring Basic Dev i ce Ch aracterist ic s 9 -1 Chapter 9 Configuring Basic De vice Char acteristics Over view In troduct ion This c hapter expl a ins how to configure the bas i c cha racterist ics for all ty pes of devi c es tha t at ta ch t o t he ac cess s er ver p or ts . Th es e de vic es inc lude: • St anda rd DIGITAL vide o terminals s[...]

Configuring B asic Dev ice Charac teristics 9-2 Confi gur ing Basic Devi ce Characteri st ics Confi g uri n g Basic Devi ce Ch aracter istics In troduct ion If yo u atta ch a sta n da rd DIG ITA L vide o term in al to an acce ss ser ve r po rt, th e bas ic devi ce charac ter istics des cribed in thi s chap ter are th e only ones th a t you need to [...]

Confi guring Bas i c Dev i ce Ch ar acteri stics 9 - 3 Configuring Basic Device Ch aracteristics LONGBREAK LOGOUT Disab led Enabl e d, Di sabled Specifying LONGBREAK LOGOUT OUTPUT F LOW CO NT RO L Enabled Enabled, Di sabled FLOW CONTROL Direct ion PARITY None E ven, Odd, Mark, None PARITY SPE ED 9600 75,110, 134, 150 , 300, 6 00, 12 00, 1800, 2000,[...]

Displ a yi n g Basi c Device Charact eristi cs 9-4 Confi gur ing Basic Devi ce Characteri st ics Disp la ying Basic Devi ce Character istics Comman d To display ba s ic de vic e c hara cteristic s, use the SHOW PORT command. Display ing Port Char acteristic s Example The followi ng example shows how to dis play the port char ac teristics for port 5[...]

Confi guring Bas i c Dev i ce Ch ar acteri stics 9 - 5 Config u r i ng the ACCESS Ch ar a c te r i stic Configurin g the ACCES S Char acterist ic Descri p tion The ACCESS cha racteris ti c determi nes which types of devices ca n use a port. The fo llowing table lists a nd defi nes the pos s ible values f or the port ACCE S S ch arac teris tic: Comm[...]

Matching the Port and Device Characteristics 9-6 Confi gur ing Basic Devi ce Characteri st ics Mat ch i ng th e Port an d D evi ce Ch ara cteristi cs In troduct ion Yo u mu st e nsu re t hat th e phy si cal cha racter ist ic s of t he ac cess serv er port m atch th e phys ical charact e ris tics of the devic e a s de scrib ed in this se ct ion. If [...]

Confi guring Bas i c Dev i ce Ch ar acteri stics 9 - 7 Matching the Port and Device Characteristics CHARACTER S IZE and PARITY S etti ngs The AUTOBAUD charact e ris tic functio ns only if th e input and out put spe eds of the port device are the same a nd the c ha rac ter size and pari ty set t ings ha ve the com binations lis t ed in the fo ll owi[...]

Matching the Port and Device Characteristics 9-8 Confi gur ing Basic Devi ce Characteri st ics Example: Ch anging the P ARITY Settings The followi ng example shows how to cha nge the parit y: Loca l> CH ANGE P OR T 5 PA RITY OD D SPEED The SPEED cha racte risti c ena bles you to co nfigu re the p ort f or devic es t hat ope rate a t the fol lowi[...]

Confi guring Bas i c Dev i ce Ch ar acteri stics 9 - 9 Matching the Port and Device Characteristics TYPE Th e TY P E ch ar a ct er i sti c in d i ca te s th e de v ic e at ta ch e d to th e po rt. Devic e Types The followi ng table lis ts device types availa ble for each port of the a c cess server : Exampl e: Changing the dev ice TY PE The followi[...]

Configuring the FLOW CONT ROL Characteristic 9-10 Confi gur ing Basic Devi ce Characteri st ics Config uring the F LOW CON TROL Cha racte ristic In troduct ion The FL O W CONTR OL char acte r ist ic al l ows t he acce s s serv er to sta rt an d st op data t r ansfe r betw een the po r t and th e atta ch ed dev ice. Flo w co ntro l p r event s data [...]

Config uring Basic Device Charact eristi cs 9-11 Configuring the FLOW CONTROL Characteri stic Example: Enabli n g XON/XO F F FLOW CONTROL The followi ng example shows how to enabl e XON /XOFF FLOW CONTROL: Loca l> CH ANGE P OR T 5 FL OW CO NT RO L XO N DSR DSR FLOW CONTROL opera tes a s follows: • If th e ac cess ser ve r re ceiv es data too q[...]

Configuring the FLOW CONT ROL Characteristic 9-12 Confi gur ing Basic Devi ce Characteri st ics Example: Dis abling FLOW CO NTROL The followi ng command shows how to dis a ble FLOW CONT ROL on port 5 of an acce ss s erver : Loca l> CHAN GE P ORT 5 FLOW CO NT ROL DI SABLE D FLOW CONTROL Direct io n The a ccess se rve r s oftware a llows yo u to s[...]

Config uring Basic Device Charact eristi cs 9-13 Specifying the A utomatic Logout Charac teristics Specifyin g the Au toma tic Lo gout Ch aracteristic s In troduct ion This sectio n descr ibes th e chara cteristic s that you c a n use to l og out a port auto mati cally whe n the device atta ched to the port i s t urned o ff o r when there is no act[...]

Specifying the Automatic Logout Charac teristics 9-14 Confi gur ing Basic Devi ce Characteri st ics Specify i n g INACTIVITY LOGOUT The INAC TIVITY L OGOU T charac terist ic all ows you to ena ble or t o disabl e auto m ati c log out for the port. If INACTIVITY LOGOUT is en a bled, the a c cess server auto matically disconne cts the s es s ion a nd[...]

Configur i ng M odem Signa ls 10-1 Chap ter 10 Configuring Modem Signals Over view In troduct ion This chapter describes the va rious po rt charac teristic s th at you c an use to cont rol th e mode m signals. You use modem sign a ls to suppo rt devices that use the s e signa ls, such as mode ms, compute rs, and print ers. In This Ch apter This cha[...]

DTE/DCE Devi ce Configuration 10-2 Confi gur ing Modem Signa l s DTE/DCE D evi ce Co nfiguration Port Conf ig uration The ro le o f the ac ces s se rver in th e c ommuni ca ti on is de te rmi ned by the con fig ur at ion of the port and the port de vice: • If the por t ac ce ss ch ara ct er i sti c is set to lo ca l , th e ac ce ss s erv er app e[...]

Configur ing Modem Signals 10-3 Determining the Supported Mo dem Signals Determ in ing the Suppor ted Mode m S ignals Access S ervers and M ODEM CONTROL No t all ac ce ss ser v ers su p por t all mod e m sig nal s. The re ar e thr e e ty pes o f acce ss serve rs: • Full MODEM CONTROL • MODEM CONTROL Acces s servers th at support MODE M CONTROL [...]

Determining the Supported M odem Signals 10-4 Confi gur ing Modem Signa l s • S e t 2 — Da ta Signal R ate Selector (DSRS) — RING Indicator (RI) — Data Carrier Dete c t (DCD) — Data Terminal Ready (DTR) DSR/ DT R suppo rt (E x am p le : DE Cserv er 90TL ac ces s ser ver) Data S et Rea dy (DS R) Data Te r mina l Rea dy ( DTR ) Network Acce[...]

Configur ing Modem Signals 10-5 Modem Signals Description Mode m Si gnals Desc ripti on Type s of Mo dem Si gnal The followi ng table des cri bes the various m odem si gna ls : Modem S ignal Descri p tion Req uest To S end (R TS) Ass erted by th e acce ss serv er to in dicat e to the port d evi ce th at t he a cce ss s erver is rea dy to exc ha n g[...]

Modem Signals Des cription 10-6 Confi gur ing Modem Signa l s Data Signal R ate Sele ctor (DSRS) Ass er ted by th e ac ces s serv er to in dicat e the spe ed at w h ic h the m odem s h ould initia te communi ca tions. On a port confi gure d for a mult ispeed modem (wher e both SPEED and ALTERNATE SPEED a re s pe c ifie d), DSRS indic ates the highe[...]

Configur ing Modem Signals 10-7 Specifying MODEM CONT ROL and S IGNAL CONTRO L Specifyi n g MODEM CO NTROL and SIGNAL C ONTROL In troduct ion The MODE M CONTROL a nd SIGNAL CONTROL cha racteristi cs are i dentica l, except that MODE M C ONTROL i s only used wit h full MODE M CONTROL a c cess server s, and SIGNAL CONTROL is used on all oth er a cces[...]

Specifying MOD EM CONT ROL and S IGNAL CONTRO L 10-8 Confi gur ing Modem Signa l s Example: Enabli n g MODEM CO NTROL The followi ng example shows how to ena ble MODEM CONT ROL on port 5: Loca l> DEFI NE P ORT 5 MODEM C ON TROL E NABLE D Loca l> LOGO UT POR T 5 Example: Enabling SIGNAL CO NT RO L The followi ng example shows how to ena ble SI[...]

Configur ing Modem Signals 10-9 Specifying SIGNAL S ELECT Specifying SIGNAL SELECT In troduct ion The SIGNAL SELECT c hara cteristic is used only wit h MOD EM CONTROL access serv e rs . T h is cha r ac te r ist ic de te r mi ne s w hi ch o f two s et s of s ig n a ls th a t th e acce ss serve r uses : • CTS, D S R, RTS, and DTR or • RI, DCD, DS[...]

Specifying SIGNAL CHECK 10-10 Configuri ng Modem Signals Specifyi n g SIGNAL CHECK In troduct ion The SIGNAL C HECK characte rist ic allows the access serve r to check for any modem si gna l when a host re quests a connect ion. If any one modem sign a l is pre s e nt , th e acces s s erve r makes a con ne cti on; otherwise , a connect ion is denied[...]

Confi guring Mod em Signal s 10-11 Speci fying DTRWA IT Specifyi n g DTR WAIT Descri p tion Whe n f unct ioning with mode m s and compute r interf ac e s, th e acces s server port normall y as s e rt s th e DTR signal at all tim es e x ce pt during a disconne ct sequence . Howeve r, there are in s tanc es when asse rti on of DTR is undesira ble. Fo[...]

Specifying RING 10-12 Configuri ng Modem Signals Speci fyi n g RING Descri p tion The RING charact eristic is supporte d only on those acce ss servers tha t s upport the DSRS s igna l. Cert a i n termin al switche s and comput e rs nee d to de tect a RING indic ator si gnal (RI) be for e t hey acti v at e. T he a cc ess se r ver ca n e mul at e th [...]

Confi guring Mod em Signal s 10-13 Speci fying AL TERNATE S PEED Spe cifyi n g AL T ER N ATE SP EED Descri p tion Th e ALTERNAT E SPEED ch ara ct eris tic is onl y used with full MODEM CONT ROL acce ss s erver s. Two s peeds for a m odem port can be defi ne d i n the a ccess se rver data base: primar y and alt ern ate ( or f allb ack ). T he p rim [...]

Specifying DIA LUP 10-14 Configuri ng Modem Signals Specifyi n g DIALUP Descri p tion The DIA LUP ch ar ac ter istic is us ed t o n oti fy LA T s ervic e nod es t hat a po rt user conne c ted to the serv ice through a dia l-i n modem. The service node can use thi s inf or ma ti o n to im pl em en t system secu r i ty. With D IA LU P en a bl ed , th[...]

Confi guring Mod em Signal s 10-15 Sample M odem Configurations Sample Mo dem Configu rations In troduct ion This s e cti on provides sample m odem configura tions for access servers tha t support full MODEM CONTROL. Co nfigu ring a Dial-In Modem on a Ful l MODE M CONT ROL S erver The following exa mple provide s a s a mpl e confi guration for a di[...]

Sample M odem Configuration s 10-16 Configuri ng Modem Signals Configuring a D ial-Out M o dem on a Fu ll MODEM CONTROL Server The following example pr ovides a sample configura tion fo r a dia l-out modem opera ting at 1200 baud wit h a n ALTERNATE SPEED of 300 baud : Loca l> DE FINE P OR T 3 AC CESS RE MO TE A UT OBA UD D IS ABLE D Loca l> [...]

Confi guring Mod em Signal s 10-17 Sample M odem Configurations Configuring a D ial-Out M o dem on a MODEM CONTROL Server The following example pr ovides a sample configura tion fo r a dia l-out modem opera ting at 2400 baud and confi gured for the RI-DCD-DS R S-DTR si gnals: Loca l> DEFI NE P ORT 3 ACCES S RE MOTE A UTOBA UD D ISAB LE D Loca l&[...]

MODEM CONTROL Sequence s 10-18 Configuri ng Modem Signals MODEM CONTROL Sequence s In troduct ion Modem-co ntrolled communic ation requires that the access serv e r recogn ize what type of devic e is on a port and detec t whe n this dev ice is ready to communic ate and when the de vice has ceased to comm unicate. The foll owing secti on de sc ribes[...]

Confi guring Mod em Signal s 10-19 MODEM CONTRO L Seq uences 3 After fi rs t detect i ng DSR, the access serv e r monitors the port for CTS and DCD. If it detects CTS and DCD with in 30 sec onds, the access server ena bles data flo w on th e line. If it d oe s n ot detec t CTS a nd DCD within 30 s econds, t he acces s serve r dis c on nec ts the li[...]

Configuring DT R and DS R S ignals 10-20 Configuri ng Modem Signals Configurin g DT R and DSR S ignals In troduct ion This s e cti on describes how to configur e DT R and DSR s ignals f or those acces s server s that do not support the othe r mode m signa ls. DSR fl ow contro l m ust be dis able d whe n you are using the various port char acter i s[...]

Confi guring Mod em Signal s 10-21 Configuring DTR and DSR Signals Port status indicat e s “Sig nal Wa it” i f conne c tion s cannot be a cce pted because DSR is d easse rted. DTRWAIT Has no affect un less SIGNAL CONTROL is ena bled . SIGNAL CONTROL a nd DTRWAIT DTR is as s er ted onl y if the re is a s olici ted remote connect ion. (SIGNAL CHE[...]

Configuring DT R and DS R S ignals 10-22 Configuri ng Modem Signals Port is l ogged out if DSR is dea s serte d aft er in it ial as s ertion . DTR is d easse rte d for 5 s econd s m inimum as a c onsequence of a l ogout. DTR can only be rea ssert ed wh en a c onne ct ion is acc ept ed. Rece pt ion of asynchro nous data is no t acc epted unles s DSR[...]

Configur i ng and Managing In ter active Devi ces 11-1 Chap ter 11 Configuring and Managing Interactive Devices Over view In troduct ion This ch apter explains how to c onf igur e and manage inte ractive devic es, such as termin als, te rmi na l-li ke device s , an d pe rson al computers (PCs) in termina l emulation mode . Be fore you us e the proc[...]

11-2 Confi gur ing and Managing I nteracti ve Devices • Manag ing Users • Manag ing Sessions[...]

Configur i ng and Managing In ter active Devi ces 11-3 Configuring an Inte ractive Device for LAT Sessi ons Config uring a n Inte racti ve Devi ce for LAT S ession s Conf iguring an Interact ive Device f or LAT Ses sions The followi ng example shows a s am ple confi guration of a device c onn ec te d to LAT servi ces : Loca l> CH ANGE P OR T 6 A[...]

Configuring an Inte ractive Device for LAT Sessi ons 11-4 Confi gur ing and Managing I nteracti ve Devices Sample Network Configuratio n The followi ng figure show the sampl e ne twork c onfig uration for LAT and Telnet se s sions : Conf iguring L AT Group Co des for In teract ive Devices Group codes are subdivisio ns of a L AT netwo rk. Group code[...]

Configur i ng and Managing In ter active Devi ces 11-5 Configuring an Inte ractive Device for LAT Sessi ons Specifying AUTOCONNECT When you disab le the AUT OCONNECT charact e r is t ic on a giv e n port, the a ccess se rver di s plays the lo c al mode prom pt after you log in. You can th en e n te r the CONNECT comma nd to us e a network re s ourc[...]

Configuring an Inte ractive Device for LAT Sessi ons 11-6 Confi gur ing and Managing I nteracti ve Devices Specify ing AUTOPROMPT The AUTO PROMPT c haracte ristic is onl y used with t he LAT p rotocol . This ch ar ac te rist i c con trols t h e in iti at ion of a l o gin pro cess on some se rvice no d es wh en a se ssio n begins . The ac cess s erv[...]

Configur i ng and Managing In ter active Devi ces 11-7 Configuring an Inte ractive Device for LAT Sessi ons Auth entica tion i n Chap ter 21 for detail s. Spe cifying F ailover If a LAT service node sudde nly becomes unava ilable duri ng a s es s ion, the access server s ear c hes for a nother LAT service no de that offers the same se rvi ce . If t[...]

Configuring an Inte ractive Device for LAT Sessi ons 11-8 Confi gur ing and Managing I nteracti ve Devices Th e Ser v ic e C on nec tio ns C h ara c te ri st i c The servic e connecti ons cha racteris tic allo w s you to dis able additi ons to the conne ction queue when a g ive n service is bus y. Changing th is charac te ristic does not af fect re[...]

Configur i ng and Managing In ter active Devi ces 11-9 Configuring an Inte ractive Device for LAT Sessi ons SHOW QUEUE ALL Dis p lay Example The following example s hows how to genera te a q ueue dis play. For e a ch q ueued reque st, the displays have one line of inform ation a rranged i n columns unde r fixed head ings. Loca l> S HOW QU EUE AL[...]

Configuring an Inte ractive Device for LAT Sessi ons 11-10 Configu ri ng and Managing Inte ractive Devices Configu r ing Port Char acteristics The por t cha racterist ic, remote mod ifi cation, whe n ena bled, allo ws a LAT node to mod ify p a rticu lar acc es s se rv er p ort ch ar acte rist ic s. Th es e ch ara cter ist ic s in clu de speed, c ha[...]

Confi guring and Managi ng Interact i ve Devices 11-11 Configuring an Interactive D evice for Telnet Sessions Config uring a n Inte racti ve Devi ce for Te ln et Ses sions In troduct ion User-ori ented characteris ti cs, s uch as forward switch and VERIFICATION and the vari ous Telnet sessi on chara c terist ics (se e Confi guring Individual Telnet[...]

Configuring an Intera ctive Device for Tel net Sess ions 11-12 Configu ri ng and Managing Inte ractive Devices Refer e nce For a descrip tion of th e defaul t proto col chara c t eri stic, re fer to Specifying the Defa ult Prot ocol in th is cha pter. For a descri ption of the Telnet client profi le s, r efe r to Specifyi ng the Telnet Cli ent Se s[...]

Confi guring and Managi ng Interact i ve Devices 11-13 Configuring a Session Man agem ent (TD/SM P) Termina l Config uring a Se ssion Mana gem ent (TD/SMP ) Term inal In troduct ion The MUL TIS ESS ION cha r ac teris ti c al lows a s es sion mana gement t ermin al using the termin al device/ session manage m ent prot ocol (TD/SMP) to man age each t[...]

Configuring a Session Managem ent (TD/SMP) Te rminal 11-14 Configu ri ng and Managing Inte ractive Devices • The dedicated servic e char acterist ic m ust be dis abled. (See t he User Account Com m and Para me te rs se ctio n in t his ch a pte r.) Loca l Mode C omman d Res tricti ons Du ring Se ssion Ma nagem ent The followi ng table lis t th e r[...]

Confi guring and Managi ng Interact i ve Devices 11-15 Configuring a Session Man agem ent (TD/SM P) Termina l Log ging In wit h Multisessi ons The follo wing is a typic al procedu re for logging in at a sess i on man age m ent termin al wi th MULT I SESSI ONS ena bled at the ac cess s erver port : In loc al mode, y ou can enter access serve r comma[...]

Configuring O n-Demand Loadin g for Asian Termi nals 11-16 Configu ri ng and Managing Inte ractive Devices Config uring O n-Dema nd Loa din g for As ian T ermin als In troduct ion Asian terminal s impleme nting the On-Demand L oading (ODL) font pr otocol c a n comm u nic ate w ith a n Op enV MS lo ad h ost thr ou gh a n ac cess s er ver . Th e a cc[...]

Confi guring and Managi ng Interact i ve Devices 11-17 Configuring for Block-Mode Te rmin als Config uring for Blo ck-Mode T ermi nals Descri p tion B loc k-mode termina ls do not require any spec ial setup to comm unicate with a hos t thro u gh an acc es s serv er. Th e acce ss ser v e r softw a re au t om at ic al l y allo ws ter mi n al s that s[...]

Specifying t he Tel net Cli ent Ses sion P rofile 11-18 Configu ri ng and Managing Inte ractive Devices Spe cifying the T elnet Cl ient S ession Profile In troduct ion You can set v arious featur es for a Telne t cli e nt s e ssion. You can either choose a profil e that has ma ny of t he charact eristi c s pred efined or set t he chara c teris tics[...]

Confi guring and Managi ng Interact i ve Devices 11-19 Specifying the Tel net Client Session Pro file Teln et Client S ession Character istics Pred efined fo r Each Profile The followin g table lists the Tel net clie nt s e ss ion char acteris tics that ar e pred efined for eac h profile . Enabl ing a pr ofile automati call y se ts all the char act[...]

Specifying t he Tel net Cli ent Ses sion P rofile 11-20 Configu ri ng and Managing Inte ractive Devices 1. If ECHO i s in l ocal m ode , the E C HO charac terist ics are s uppre s sed, and ch ar ac te rs ar e n o t echo ed. SWITCH CHARACTERS Enabl ed Disab led TE RMIN AL T YP E Us e c ur rent ac ce ss ser ver v alu e Us e cur ren t ac ce ss serv er[...]

Confi guring and Managi ng Interact i ve Devices 11-21 Configuring Individua l Telnet Client Se ssion Charac teristics Conf i guring In d ividual T eln et Clie n t Sessi on Charact erist ics Mod ifying Teln et Session Character istics Yo u c an m od ify th e T eln et cl ient ses s ion ch ara ct eri st ic s in two wa ys : at th e p o rt l ev el or f[...]

Configuring Individual Tel net Client Session Characteristics 11-22 Configu ri ng and Managing Inte ractive Devices The followi ng example shows how to dis able the BINAR Y chara ct eristi c : Example: Dis abling BINARY Ch arac ter istics Loca l> CH ANGE P OR T 5 TE LNET CL IE NT B IN ARY DIS AB LE Specifying CHARACTER SIZE The C HA RA CTE R SIZ[...]

Confi guring and Managi ng Interact i ve Devices 11-23 Configuring Individua l Telnet Client Se ssion Charac teristics Tel net Ke ym app ing Fu nct io ns The fol lowing t a ble s ho ws key func tion d e fi nit ions mapped to spec ific keys. You can dis a ble a ny o f the Te lnet c om mands i n this table b y using the k e yword NONE . For exampl e,[...]

Configuring Individual Tel net Client Session Characteristics 11-24 Configu ri ng and Managing Inte ractive Devices Specify ing AUTOFLUSH The AUTOFLUSH chara c teristi c a utom atically invo kes the AO functi on whene ver you ent e r the IP, SYNCH, AYT, EOR, or B RK charact ers. AUTOFLUSH abort s all output on its wa y to th e us er’s te rm ina l[...]

Confi guring and Managi ng Interact i ve Devices 11-25 Configuring Individua l Telnet Client Se ssion Charac teristics • NE WL INE TO TER MINAL — Wh en enter ed, th e c h aract er seq uenc e is sen t to the us er’s te rm in al w hen e ver a N EW L INE F ROM H OS T se que n ce i s r ece iv ed. The factory-se t defaul t is < CRLF>. • NE[...]

Configuring Individual Tel net Client Session Characteristics 11-26 Configu ri ng and Managing Inte ractive Devices The followi ng shows how to enable FLOW CONTROL from port 5 to the devi c e: Loca l> CH ANGE P OR T 5 TE LNET CL IE NT O UT PUT FLO W CONT RO L ENABL ED Specifying MESSAGE VERIFICATION The MES SAGE VERIF ICATION cha ra cteris tic c[...]

Confi guring and Managi ng Interact i ve Devices 11-27 Configuring Individua l Telnet Client Se ssion Charac teristics Example: Configur ing SW ITCH CHAR ACTER The following e xample shows how to dis able the SWIT CH CHARACTERs on port 5: Loca l> CHAN GE P ORT 5 TELNE T CL IENT S WI TCH C HA RACT ER DIS ABL ED Loca l> CHAN GE POR T 5 LIMIT ED[...]

Managing Acces s Server User Accoun ts 11-28 Configu ri ng and Managing Inte ractive Devices Managing Access Se r ver User Accounts Minim al Setup for Local User Acco unts A li mited a m ount of storage is a va ila ble for d efining us er acc ount r ecords wi thin the acc es s server vola tile and nonvol atil e memo ry. Not e The ore tical ly, all [...]

Confi guring and Managi ng Interact i ve Devices 11-29 Managing Acce ss Server User Accounts SHOW/LIST/MONITOR USERACCOUNT Display The fol lowing table d e fines the valu e s in the SHOW USSERACCOUNT di splay: Author iz ation Profile Infor m ation The acc es s server supp orts a va r iet y of informati on in a us er or realm default author ization [...]

Managing Acces s Server User Accoun ts 11-30 Configu ri ng and Managing Inte ractive Devices Ser vice Typ es and Access Levels The followi ng table defi nes the service ty pe and access le ve l: Ser vice Perm issio ns Access The following t abl e shows the type of s ervice permissi ons a user can have . A user c an have m ore than one t ype of ser [...]

Confi guring and Managi ng Interact i ve Devices 11-31 Managing Acce ss Server User Accounts User Acco unt Com mand Parame te rs The co m man d s in th e f o ll o win g tab l e al lo w the se cu r ity m an age r to ma na g e a sma ll loca l data base t o be us ed for au thenti c ati on and author ization. The t a ble shows the com mand keywo rds as[...]

Managing Acces s Server User Accoun ts 11-32 Configu ri ng and Managing Inte ractive Devices Access Co mmand Var iables The followi ng table defi nes the ACCESS command param et er variable s : MAX CONNECT Indic ates t he maximu m number of minu tes the user ca n be logge d in be fore being fo rcibly lo gged out. De fa ul t = 0 USER STATUS Spe c if[...]

Confi guring and Managi ng Interact i ve Devices 11-33 Managing Users Managing Users This s ection descr ibes various ta s ks for man agi ng users. Pr oviding a Co ntact Nam e and Access Server L ocatio n The SET/DEFINE/CHANGE SYSTEM command allows you to provi de all access se rver user s with a person’s name to conta ct in case of probl ems. Th[...]

Managing Users 11-34 Configu ri ng and Managing Inte ractive Devices Example : Enab ling a Preferre d LAT Servi ce on a Speci fic Node a nd Po rt The followi ng example shows how to s pecify that port 5 conn ects to port JAMES on node MARKETING for service FILES: Loca l> CHANG E POR T 5 PREF ER RE D FILE S N ODE M AR KE TING DE STINA TI ON JAME [...]

Confi guring and Managi ng Interact i ve Devices 11-35 Managing Users Spe cifying Keys t o Switch Bet ween Sessio n s Acces s serv er us e rs ca n defi ne keys as switch es. These keys can switch from one se ssi on to another witho ut having to retur n to loc al mode. When the user pre s se s the key, the a ccess se rve r i nterprets the c ha racte[...]

Managing Users 11-36 Configu ri ng and Managing Inte ractive Devices Defining the Break Key The B RE A K ch ar a ct eri sti c d efi ne s how the Br ea k key is us ed . The B r ea k key can be defi ned in t hree ways: • LOCAL — Press ing t he Br eak key switche s th e user from se rvice mode to loca l mode. Th is is the fact ory-set default . Th[...]

Confi guring and Managi ng Interact i ve Devices 11-37 Managing Users Example : Configuring a Key as a Switc h The followi ng example shows how to ide ntify “-” as the local s w itc h for port 3: Loca l> CH ANGE P OR T 3 LO CAL S WI TC H - Example : Disabling a Local Switch The followi ng e xam ple shows how to disa ble the lo cal switc h, w[...]

Managing Users 11-38 Configu ri ng and Managing Inte ractive Devices A user with pri vileges set ca n use the privil eged BROADCAST ALL command to send a mess age to all in terac tive user s. Example: BROADCAST ALL The followi ng example shows a s am ple of a messa ge broadcaste d to al l users: Loca l> BR OA DCAST A LL "S er ve r shu t d o[...]

Confi guring and Managi ng Interact i ve Devices 11-39 Managing Users Sp eci f yin g M e s sa g e Co de s Each acce ss se rv er me ssag e has a me ssage cod e. I n th e fol lowi ng e xam ple, th e num be r 750 i s the message c ode: Loc al - 750 - An othe r po rt has this nam e With messa ge codes disable d, the same mess age would loo k like : Loc[...]

Managing Users 11-40 Configu ri ng and Managing Inte ractive Devices Example: Config uring LOC K The followi ng example shows how to ena ble LOCK on the access s erve r, while dis a bling LOCK on p orts 5 t hrough 7 : Loca l> CHAN GE SER VE R LO CK EN ABLE D Loca l> CHAN GE POR T 5- 7 LOC K DISA BL ED Si nce anyone c an LOCK any te rm inal , [...]

Confi guring and Managi ng Interact i ve Devices 11-41 Managing Users SHOW/LIST/MONITOR USERS Display Headings The followi ng table pr ovid es an explanat ion of the informati on in the displa y in th e pr e vious e xample: Spe cifying User Groups Nonprivi leged use r s can choos e th e groups they require for the ir ports by using the SET PORT GRO[...]

Managing Users 11-42 Configu ri ng and Managing Inte ractive Devices Curren t groups (user-s pec ifi ed groups) are sto r ed onl y in the opera tional databa s e . The refore, use rs mus t us e the SET PORT command to co nfigure thes e groups; users cann ot use th e DEFINE PORT or CHANGE PORT command. Curren t groups are always equal to or a subset[...]

Confi guring and Managi ng Interact i ve Devices 11-43 Mana ging S essions Mana g ing Sessi ons This s ection sho ws how to initi ate and term in ate sess ions and how to disp la y ses s ion informat i on. Initia ting a Ses sion to a L AT Service To ini tiate a ses s ion to a LAT service, us e t he CONNECT LAT com ma nd with th e servic e name. If [...]

Managing Sess ions 11-44 Configu ri ng and Managing Inte ractive Devices Exampl e: Initiating a Session with an Inte rnet H ost The foll owin g thr ee com mands s ho w how to ini ti ate a sess ion with the s ame host. The firs t command use s the relative dom ain name, SALES ; th e second c ommand uses th e abs olute domain nam e SALES.MAR K ETING.[...]

Confi guring and Managi ng Interact i ve Devices 11-45 Mana ging S essions com mand st a rts a PING s ession, which cont inues u ntil the PING s uc ceeds (and se nds a VERIFICAT ION messa ge) or until the ti m eout peri od of 3 0 seconds is exceed ed. T he fol lowi ng shows how to te st t he communic ation t o an In te rnet ho st with an addre ss o[...]

Managing Sess ions 11-46 Configu ri ng and Managing Inte ractive Devices For por ts with s ession manage m ent te rm inals, the kin d of termina l at the port furt he r dete rmines the port’s s e ssio n limit, where the a cce ss server port c an support up to eigh t termin al sessio ns. However, termin al devic es typicall y s u pport a maxim um [...]

Confi guring and Managi ng Interact i ve Devices 11-47 Mana ging S essions SHOW/ MO NIT OR SES SIONS Displ ay Fiel ds The followi ng table des cri bes the informa ti on in the SHOW/MONITOR SESSIONS dis play: Field Descrip tion Sessi on n Number of the ses s ion. Firs t co lu m n Status of a ses sion, which can be one of the foll owing: Con n ected [...]

Managing Sess ions 11-48 Configu ri ng and Managing Inte ractive Devices Display ing Sessio n Chara c teristics You can di s play the chara cteristic s of any current LAT or Telnet sess ion. Example: SHOW PORT S ESSIONS CHARACTERISTICS Display for a LAT Session The foll owing example dis p l ays the cha r ac terist ics of LAT session 1 on port 4: L[...]

Confi guring and Managi ng Interact i ve Devices 11-49 Mana ging S essions SHOW/ MO NIT OR PORT SE SSION S STATUS Display Fields The followi ng table provid es a descript ion of the SHOW/MONI T OR PORT SESSIO NS STATUS display information: Field Des cri ption Do- B inary En abled — In terpr eting al l dat a rece ived a s in a BINA RY acces s serv[...]

Managing Sess ions 11-50 Configu ri ng and Managing Inte ractive Devices Do- End of Record Enable d — The ac ces s se rver is enabl ed to re ce iv e EO R co mm an ds . Disabled — Th e acce ss ser v e r is not enab l ed to re ce iv e EO R co mm an ds . Will-E nd of Rec ord Enable d — The acce ss se rver has pe rmis sion to tr an sm it EO R co [...]

Confi guring and Managi ng Interact i ve Devices 11-51 Mana ging S essions Ter m inatin g Sess io ns The r e are two commands you ca n use to termina te a sessi on on a not he r port: • The privil eged LOGOUT PORT command allows you to m anua ll y log out any port, and al l s essions termi na te at the speci f ie d port. If the port dev ice s u p[...]

[...]

Conf iguring and Manag ing LAT Servi ces 12-1 Chap ter 12 Configuring and Managing LAT Services Over view In troduct ion This chapt er ex plains how to con figur e dev ices att ach ed to the acc ess se rver po rts as LAT se rvices. A LAT n ode can offe r devic e s a s LAT servic es to user s o n the port i tself and oth er L AT nodes. Prer equi sit[...]

Configuring a Port to Offer a LAT Serv ice 12-2 Confi gur ing and Managing LAT Ser vices Config uring a Por t to O ffer a LAT Se rvice Configu r ation P ar ameter s After you atta ch a d evice t o a port and ens ure that the po rt and device characteri stics match , you need to specif y certai n configurati on para m ete rs to enable all devi ces a[...]

Config uring and Managing LAT Servi ces 12 -3 Configuring Acces s to a LAT Service Conf i guring Acces s to a LAT Serv ice Assi gning a Service Na m e A service name is a name you assi gn to th e LAT se rvic e using the CHANGE SERV I CE N A ME co mm an d . Wh en you assi g n a servi ce nam e, th e ac ce ss ser ver peri odically mult icasts the s er[...]

Configuring Acces s to a LAT Service 12-4 Confi gur ing and Managing LAT Ser vices Assi gning an Identificat ion Strin g A service ide nti fication s tring helps user s recogniz e and use the servic e. It can be up to 4 0 char a cters in len gth. The factory-se t defaul t is no ide ntificat i on s tring. Example: Assig ning the Service Na me, to a [...]

Config uring and Managing LAT Servi ces 12 -5 Configuring Acces s to a LAT Service Spe cifying the Servi ce Passwor d An option al servic e pass word restricts ac cess to a servic e. When a service cont ai ns a pas s w ord, the acces s se rver prompts you for the pas s wor d bef ore allowing you to use t h e s erv ic e. The re are t wo cha rac ter [...]

Configuration of Specific Types of Devices As LAT S ervice s 12-6 Confi gur ing and Managing LAT Ser vices Configura tion of Spec ific Type s of Devices As LAT Serv ice s In troduct ion This s ection provides exa m ples o f configu ring the fol lowing t ypes of devic es as L AT servi ces : • A p ers ona l com put er ( as b ot h a LAT se rvic e a [...]

Config uring and Managing LAT Servi ces 12 -7 Configu ration of Spec ific Types of Device s As LAT Services Loca l> DEFI NE PO RT 2 LO CAL S WITC H ^L PASS WORD DIS ABLE D PRE FERRE D NONE Loca l> DE FINE POR T 2 SIGN AL C HECK E NABL ED S IGNA L CO NTROL DISA BLED Loca l> LO GO UT P OR T 2 Loca l> CHAN GE SER VE R SERVI CE GRO UP S 10,[...]

Configuration of Specific Types of Devices As LAT S ervice s 12-8 Confi gur ing and Managing LAT Ser vices Conf ig uring a Modem As a LA T Service The followi ng example shows a s am ple confi guration of a dial-ou t m od em use d as a LAT ser vice: Loca l> DEFI NE P ORT 3 ACCES S RE MOTE A UTOBA UD D ISAB LE D Loca l> DEFI NE POR T 3 AUTOP R[...]

Config uring and Managing LAT Servi ces 12 -9 Configu ration of Spec ific Types of Device s As LAT Services Configu r ing a Printer As a L AT Service After yo u configure a printer as a LAT servi c e, you need to set up the appro priate LAT rem ote pr int que ue as de scribed i n the following s ectio ns of this c hapte r: Sett ing Up a L AT R em o[...]

Configuration of Specific Types of Devices As LAT S ervice s 12-10 Configu ri ng and Managing LAT Servi ces Cre atin g a Lo gi cal De vice t o Ac ce ss a Pr in ter Se rvic e The followi ng example shows how to run LAT CP to cre ate a logical devi c e. This ex am ple co n figu res th e l o gical port LTA 1 9 25 to ac cess th e LAT ser vic e P RINT. [...]

Configu ring and Managing LAT Ser vi ces 12-11 Configu ration of Spec ific Types of Device s As LAT Services $! $SET D EVI CE L TA 1925 : /S POOLE D= (LN0 3_ QU E,SYS $S YS DEVI CE :) $! $DEF IN E/F ORM LN _FOR M 10 /WID TH =6 0 /S TO CK=DE FA UL T /T RU NC ATE $! $! I ni tia lize a nd s ta rt the pr int qu eu e $! $INI T/ QUE /ST AR T /P RO CE SSO[...]

Configuration of Specific Types of Devices As LAT S ervice s 12-12 Configu ri ng and Managing LAT Servi ces : lf =/u sr/l ib /adm /l pd -errs : # cd / usr /spo ol # mk di r l pd # ch ow n d aemo n lps # lp r -Pl ps t es t[...]

Configu ring and Managing LAT Ser vi ces 12-13 Con figuring a P rinter with Una nnounced Av ailabilit y Configurin g a Printer w ith Una nnoun ced Availa bility In troduct ion This s ection descr ibes how to confi gure a print er wit h unann ounced avail a b ili ty. The only users t hat kno w abo ut the device’s a vailabi lity a re tho se us ers [...]

Configuring a Printer wi th Unanno unced Avai lability 12-14 Configu ri ng and Managing LAT Servi ces Example: Config uring a Printer with Unannounced Availability on a LAT Network on Port 4 Loca l> DE FINE P OR T 4 AC CESS RE MO TE A UT HOR IZED G ROUP S 10 ,24,4 6 Loca l> DEFI NE POR T 4 AUTOB AU D DI SA BL ED AU TO CO NNEC T DISA BLE D Loc[...]

Configu ring and Managing LAT Ser vi ces 12-15 Verifying the LAT Serv ice Verifying th e LAT Servic e Do This To verify whet he r the serv ice is funct ioning, tr y co nnecting to the ne w servi ce . Once connected, you can asses s whethe r the de vice re sponds a ppropri ately. T he approp riate re sponse de pends on what dev ice is a ttache d to [...]

Managing Your Access Server As a LAT Node Of fering a Service 12-16 Configu ri ng and Managing LAT Servi ces Mana g ing Your Access Server As a LAT Nod e Offeri ng a Serv ice In troduct ion By de f ault , once th e re i s a s ervic e, the ac ces s ser ver f u ncti ons as a se rvi ce no de by is s uing m ulti c ast service announce m ents, which de [...]

Configu ring and Managing LAT Ser vi ces 12-17 Managing Your Acc ess Server As a LAT Node O ffering a Serv ice Example: SHOW SERVICE CHARA CTERISTICS Display The following e xample below shows ho w to genera te a servi ce char acte risti cs displ ay for the service named PRINTE R: Loca l> SH OW S ER VICE P RI NTER CH ARAC TE RI STICS Serv ic e: [...]

Managing Your Access Server As a LAT Node Of fering a Service 12-18 Configu ri ng and Managing LAT Servi ces Display ing Services S tatus The SHOW/LIST/MONITOR SERVICE ST ATUS command displa ys informa tio n about the ope rational conditi on of t he network and its services, inclu ding s ervices of fere d by your a cce s s ser ve r. The displa y in[...]

Configu ring and Managing LAT Ser vi ces 12-19 Managing Your Acc ess Server As a LAT Node O ffering a Serv ice Example: SHOW SERVICE ST ATUS Display The followi ng example shows how to gen erate a servic e s ta tus display for a servic e named DEVELOP: Loca l> SH OW S ER VI CE D EV ELOP ST AT US Ser vice DEVE LOP - Av aila b le Node N ame Sta tu[...]

Managing Your Access Server As a LAT Node Of fering a Service 12-20 Configu ri ng and Managing LAT Servi ces Di sp la yi n g S er vi ce s S u mm ar y The SHOW/MONIT OR SE RVICES SUMMARY c ommand dis plays one l ine of inform a tion on eac h se le cted service or servic es. Use the keyword LOCAL to obt a in inform a tion on locall y define d s e rv [...]

Configu ring and Managing LAT Ser vi ces 12-21 Managing Your Acc ess Server As a LAT Node O ffering a Serv ice Example: SHOW SERVICE SUMM ARY Display The followi ng example shows how to gen erate a servic e s um m ary dis pl ay for all networ k servic es: Loca l> S HOW SERVIC ES A LL SUMM ARY Ser vice Name Stat us Iden tifi cat ion DEV ELOP Co n[...]

[...]

Configu ring and Managing Tel net Servers 13-1 Chap ter 13 Configur ing and Managing Telnet Serv ers Over view In troduct ion This chapter e xplains how t o confi gure vario us types of devices as a Telne t or r aw TCP server . A Tel ne t o r raw TCP s erver is a r esource on a TCP/IP network. To use the pr ocedures in t his c hapt e r, y ou must: [...]

Sample D evice Co nfigurations 13-2 Confi gur ing and Managing Tel net Servers Sample D evice Co nfigur ations In troduct ion This s e ctio n provi des example s of con f igu ring the foll owing types of devic es for acce ss t hro ugh a T eln et l is tener : • A printe r • A com puter • A modem You must c onfigure the de vice and port chara c[...]

Configu ring and Managing Tel net Servers 13-3 Sample D evice Co nfigurations Loca l> CH ANGE T EL NET LI STENE R 20 10 P OR TS 4 EN AB LED Loca l> CHAN GE TEL NE T LISTE NE R 20 10 I DENTI FI CA TION " PRIN TER " Loca l> CHAN GE TEL NE T LISTE NE R 20 10 C ONNEC TI ON S EN AB LED Conf iguring a C om puter fo r Access Thr ough a [...]

Sample D evice Co nfigurations 13-4 Confi gur ing and Managing Tel net Servers Example: Confi guring a D ial-In and Dial-Out M odem The followi ng example shows a sample configura tion of a dial-ou t modem used for acces s through a Telnet li s ten er on port 4: Loca l> DE FINE P OR T 4 AC CESS DY NA MIC AU TOB AUD DI SABL ED Loca l> DEFI NE [...]

Configu ring and Managing Tel net Servers 13-5 Configuring a Personal Comput er As a Terminal and for Access through a Telnet Listener Config uring a Pe rsonal Com puter As a Te rmina l and for Access th rough a Te lnet Listen er Sample Co nfigura tion To co nfigu re a PC fo r acces s throu gh a Teln et lis tene r o nly, us e the fol lowin g examp [...]

Configuring a Personal Computer As a Terminal and for Access through a Telnet Listener 13-6 Confi gur ing and Managing Tel net Servers Set t ing User Priority f o r Device s Using Dynam ic Access You can enabl e interru pts if you want the owner or main user of the devic e to have full cont rol over it. F or exam ple, the main user of a personal c [...]

Configu ring and Managing Tel net Servers 13-7 Configuring a Personal Comput er As a Terminal and for Access through a Telnet Listener Co nfigu ring a File Tr ansfer Part ner The access s erver supp orts the file transf e r capa bility of a pe rsonal c omputer on an access server port . This all ows a user of a personal co m pute r to send a nd rec[...]

Configuring a Remot e Print Queue 13-8 Confi gur ing and Managing Tel net Servers Config urin g a R em ote Print Queue In troduct ion The fol lowing sections explain how to configure a print queue o n an UL TRIX or UNIX system. Configu r ing a TCP/IP Remote P rint Queue on a n ULTRIX System An ULTRIX print spoole r can be confi gured t o a ccess on[...]

Configu ring and Managing Tel net Servers 13-9 Configuring a Remote Print Queu e Pr ocedure T he followi ng procedure describ es how to conf igure an ULTRIX (Version 4.0 or subse quent main tenance relea se) host’ s print s ystem. The hos t w ill use the a ccess se rver inte rnet address and Telnet li stener TCP por t numb e r to conne ct to the [...]

Configuring a Remot e Print Queue 13-10 Configu ri ng and Managing Telnet Servers Configu r ing a TCP/IP Remote P rint Queue on a UNIX System Syst em managers must provi de a n appl ication that que ues pri nt jo bs on a UNIX system . A sample pri nt spoo ler progra m, DS7-UNIX-SPOOL.C, for UNIX sys tems is incl uded with the soft ware dis tributio[...]

Confi guring and Managi ng Telnet Serve rs 13-11 Configu ring a Telnet Listener Conf i guring a Te ln et Listen er In troduct ion Pe rfo rm th e fo llo win g step s t o a s si gn a Tel n et li s ten er t o on e o r mo re d ev i ces at ta che d to ac ces s s erver po rt s: Ste p A ct ion 1 Assi gn a TCP po r t to the ac ces s ser v er por t . Th e a[...]

Configuring Telnet Server Session Charac teristics 13-12 Configu ri ng and Managing Telnet Servers Conf igur ing T elne t Server Sessio n Charact erist ics In troduct ion The followi ng sectio ns des cri be how to configure th e various T elne t server sess ion ch arac teris tics. Mapp ing Even t Indica tions to Key board Char acters You ca n map t[...]

Confi guring and Managi ng Telnet Serve rs 13-13 Configuring T elnet Server Sessi on Characteristics Spe cifying Newline Character istics The N EW LIN E ch ar acte rist ics al low t he p erso n ma nag ing t he ac ce ss ser ver to def ine a ne w li n e as a 1 - o r 2-c h arac te r sequ e nce. In t his ca se, TERM IN AL sp ecif ies th e us er at the [...]

Configuring Telnet Server Session Charac teristics 13-14 Configu ri ng and Managing Telnet Servers Example: Se tting Character Size in a Sp ecific Direction The foll owing example shows how to set CHARACTER S IZE to 7 in the TRANSMIT dire c tion: Loca l> CH AN GE POR T 5 TE LNE T SERV ER T RANSM IT CHA RA CT ER S IZE 7 To se t the cha racte r si[...]

Confi guring and Managi ng Telnet Serve rs 13-15 Manag ing Y our Acces s Server A s a Telnet Listener Nod e Mana g ing Your Access Server As a Telnet L istene r Node In troduct ion This section cont ains the proced ure s to di s pla y and remove Telne t listeners . Display ing Telnet List en ers The SHOW /L IST/ MO NITOR T ELN ET LISTEN E R c omma [...]

Managing Your Access Server As a Telnet Listener Node 13-16 Configu ri ng and Managing Telnet Servers Remov ing a Telne t Listener You can r emove a Te lnet li sten er that w as defin e d in ei th er the per manent o r opera tional dat abases. Use the priv ileged CLEA R TE LNET LIST E N command (which acts on th e operat ional data bas e ) or PURGE[...]

Confi guring and Managi ng Telnet Serve rs 13-17 Manag ing Y our Acces s Server A s a Telnet Listener Nod e Reassig ning a Po r t This proc ess allows you to manage a faile d ac c ess serve r port that is confi gured as a Teln e t li sten er. Use t he f ol lowi ng step s to re ass ign a po rt: Ste p A ct ion 1 Use th e LIST PORT n C HA RA CTE RI ST[...]

Supplying Us er Loc ation Data to Telne t S ervers 13-18 Configu ri ng and Managing Telnet Servers Supplyin g User Loc ation Data to Telnet Servers In troduct ion Whe n the ac cess ser ver c reate s a Teln et cli ent co n necti on, it a utomat ical l y n e got iates with the T elne t server to send port user dat a . If the s erv er responds with a [...]

Confi guring and Managi ng Telnet Serve rs 13-19 Configuring a Raw TCP Listener Config uring a Raw TC P List ener In troduct ion When y ou confi gure a T elne t list ener t o use raw TCP, t he a ssocia ted port send s da ta t o a d evice or a re mote host wi thout a ny da ta manipul ation or in terpre tation of contr ol ch ar acte rs. Bec ause r aw[...]

Configuring a Raw TCP Listener 13-20 Configu ri ng and Managing Telnet Servers Display in g Raw TCP Character istics Use the SH OW /L IST TELN E T LI STEN ER c omm and to view the raw TC P se ttings . Example : Raw TCP Disp lay The foll owing example shows a typi cal displ a y f or a Telnet listener c onfig ured for raw TCP: Loca l> SH OW T ELNE[...]

Configu ri ng LPD Pr int ers 14 -1 Chap ter 14 Configuring LPD Printers Over view In troduct ion The Line Pri nte r Daemon (LPD) handl es remote networki ng print ing. It lis ten s for pr int reque s ts from remot e hosts on the Local Area Network (LAN) and respond s to t h es e req u ests . The LPD softwa re th at the ac ce ss ser v er im p lement[...]

LPD O peration 14-2 Configur ing LPD Printe rs LPD Oper ation Supp or ted F il e T ype s The access s erver’s L PD impl ementation supports printin g of AS CII text and Post Scrip t files. The acces s server doe s not conv ert files from one format to the othe r. Use r s must be awa r e of the type of file they want to print and sele ct the appro[...]

Configu ri ng LPD Pr int ers 14 -3 LP D O per at ion se nds the user d ata to t he print e r as t he la st page of t he print j ob. In thi s situ ation, the access serv er ca nnot disp lay or us e user information from t he co ntrol fi le while th e f ile is pri nting. If the Data File Arri ves First and th e : Does the Hea der/ Tra iler Pr in t? D[...]

LPD O peration 14-4 Configur ing LPD Printe rs Oper ation The a c cess s erver rece ives p rint re quests f rom remote hosts on TCP por t 515. It uses LPD to send the file to a local pr inter th rough th e access serv er’s LAN interf ace and a se rial p ort. T he followin g oc curs when a host on t he LAN uses L PD to send a p rint job to th e ac[...]

Configu ri ng LPD Pr int ers 14 -5 Configuring LP D Config uring LP D Configuring Rem ote Hosts Remote networ k printing using L PR/LPD r equires tha t you set u p the host syste m cor r e ctly. The fo llowing table descr ibe s the set up require m ents for specif ic types of host s : As so ci at ing a Pri n te r W ith a P or t To allow remot e ne [...]

Configuring LP D 14-6 Configur ing LPD Printe rs The followi ng table lists the print cha racterist ics that you c a n configu re: Set t ing Por t Chara cteristics For LPD to communi cate with your printe rs , you must set the fol lowing port ch arac teris tics: • AC CE S S RE M O TE • AUTOBAUD DISABLED • FLOW CONTROL , PAR ITY, SPE ED and ST[...]

Configu ri ng LPD Pr int ers 14 -7 Configuring LP D Printe r Configuration Example The fo llo win g e xam pl e sh ow s ho w t o c onfi gur e t he ac ces s s erver to use L PD for rem ote ne twork p rinting: Loca l> D EFIN E PRI NTER LPS3 2_PS CO NNEC TION S ENA BLED HEAD ER EN ABLE D PORT S 4,5 TRA IL ER D IS AB LED A UT OCR DI SA BLED In this e[...]

Configuring LP D 14-8 Configur ing LPD Printe rs F l o w C o n t r o l : X O N O u t p u t S p e e d : 9 6 0 0 P a r i t y : N o n e S i g n a l C o n t r o l : D i s a b l e d Stop B its : Dy namic A c c e s s : R e m o t e L o c a l S w i t c h : N o n e Back wa rds Switc h: None Na me : PORT _3 B r e a k : L o c a l S e s s i o n L i m i t : 4 F[...]

Con figurin g and Man aging SLIP Ports 15-1 Chap ter 15 Configuring and Mana ging SLIP Ports Over view In troduct ion This ch apter explains how to c onf igur e and manage acces s serve r ports for use with PCs and comput ers actin g as seri al line Internet protocol (S L IP) host s . A SLIP hos t is an Inte rnet host that us es S L IP as its da ta[...]

15-2 Confi gur ing and Managing SLI P Port s • Esta blishing Term ina l Session s wit h a PC • Esta blishing a SLI P Sess ion • Esta blishing a SLI P Sess ion • Co m p re ss e d SL IP • Disp laying SLIP Counte rs • Disabl ing SLIP[...]

Confi guring an d Managi ng SLIP Por ts 15 - 3 Packet Forwardin g to and from SLI P Ho sts Packe t For warding to a nd fr om SLIP Hosts Descri p tion Dur ing S LIP s essio n s, t he acc ess s erver for ward s packet s fr om an atta ch e d SLI P hos t thr ough th e E the rnet i nte rf ace t o th e In ter net . W hen the ac cess se rv er r ecei ves a[...]

Di sp la yi ng SL IP C har ac te r is ti c s 15-4 Confi gur ing and Managing SLI P Port s Disp laying SL I P C har ac teris tics In troduct ion The LIST/ S HOW/MONITOR SLIP CHARACT ER IS TICS co m mand enab le s you to dis play the SLIP confi guration for a give n port. The characte ristic s that you manage ar e the ho s t addr ess, t h e Maxim um [...]

Confi guring an d Managi ng SLIP Por ts 15 - 5 Managing Internet A ddresses f or SLIP Ho sts Mana g ing Inter n et Ad dress es for SLI P Hos t s In troduct ion The Int erne t ad dress f or t he SLIP host must be uni que on the sub net and m ust ha ve the sa me subnet ide nt ifier a s the access s erver. A subne t id entifi er is t he resul t of a l[...]

Managing Internet A ddresses f or SLIP Hosts 15-6 Confi gur ing and Managing SLI P Port s How a P ort Automatically O btains the SLIP Host A ddress If you con figure a port for SL IP commun ic at ion a nd do not assign a host ad dre ss, the acce ss s erv er doe s th e f ollow in g: 1 Rea ds t he sourc e addres s from th e at tached host’s firs t [...]

Confi guring an d Managi ng SLIP Por ts 15 - 7 Managing the Maximum Transm iss ion Unit Managing the Maximu m Tra nsmi ssi on Unit In troduct ion The m aximum tra nsm issi on unit (MTU) value speci fies the maxi m um si z e o f the data gram th a t a gi ven acc e ss se rver po rt accepts . The ra nge is 64 to 1500 byte s. Th e defa ult is 1500 byte[...]

Configuring a Port So That a PC Can Function as a Termin al or SLIP Host 15-8 Confi gur ing and Managing SLI P Port s Configurin g a Por t So That a PC Can Fun ction a s a Term ina l or SLIP Hos t In troduct ion This s e ctio n descr ibes how to confi gure an acces s s erve r port so tha t you can use an att ached PC as a both a terminal and a SLIP[...]

Confi guring an d Managi ng SLIP Por ts 15 - 9 Configuring a Dedicat ed SLIP Port Configurin g a Dedic ated SLI P Port In troduct ion The dedic ated SLIP port al lows a singl e S LIP ses s ion. Before you perf orm this proc edur e, you must config ure the device and port ch ar acte risti cs as d escrib e d in Cha pter 9. Conf iguring a D evice A s [...]

Configuring a Dial-In M odem for U se with a SLI P Ho st 15-10 Configu ri ng and Managing SLIP Port s Config uring a Dia l-In Mode m for Use with a SLIP Ho st In troduct ion Before you perf orm this proc edur e, you must config ure the device and port ch ar acte risti cs as d escrib e d in Cha pter 9. Conf ig uring a D ial-In Modem on Por t 6 for U[...]

Confi guring and Managin g SLIP Por ts 15-11 Establishi ng Term inal Sessions with a PC Estab lis h ing Termin al Sessi ons with a PC Pr er e quisites Before you ca n use a PC t o establi sh a t erminal session wi th th e acces s serv e r, y ou must: 1 Config ure the device and por t characte ris tics as desc rib ed in Chapt er 9. 2 Ente r the comm[...]

Establishing a SLIP Session 15-12 Configu ri ng and Managing SLIP Port s Establi shing a S LIP S essio n Ena bling a SL IP Sessio n from the PC The followi ng example shows how a nonpr ivileg ed us er could confi gure and st ar t a SL IP se ssio n. T he examp le as sumes that th e por t cha racte rist ics are conf igured as shown this exa m ple. Th[...]

Confi guring and Managin g SLIP Por ts 15-13 Compress ed SLIP Compr essed S L IP In troduct ion The acce ss ser ver ha s th e abil ity t o enabl e com presse d SLI P (CSL IP). En abli ng CSLIP compress e s the lengthy headers of IP data grams on low-s pe ed a syn c hronous seria l line s. Therefore , enabl ing CSLIP can improv e perf orm a nce. Ena[...]

Displ a yi n g SLIP Count e rs 15-14 Configu ri ng and Managing SLIP Port s Displ ayin g SLIP C ounters Comman d s The SHOW/MONITOR POR T SLIP COUNTERS c o mma nd d isplays the vario us SLIP count ers. To reset the count ers, u s e the ZERO COUNTERS PORT SLIP comm an d. SHOW PORT SLIP COUNTE RS Display The followi ng e xam ple shows a typic a l SLI[...]

Confi guring and Managin g SLIP Por ts 15-15 Disabling SLI P Disab ling SLIP Comman d Use the CHANGE PORT n SLIP DISABLED command to di s abl e SLIP on a port. Di sab l e S LIP E xa m ple The followi ng example shows how to dis able SLIP on port 2: Loca l> CHAN GE P ORT 2 SLIP DI SA BLED[...]

[...]

Configuring f or SNMP Access 16-1 Chap ter 16 Configuring for SNMP Access Over view In troduct ion This cha pter describe s how to config ure the acces s serve r simpl e ne twork ma nagement pr otocol ( SNMP) agen t so tha t i t can be cont rol led by a rem ote Netwo rk Manage ment Station (NMS). Reference For complet e info rmation abou t m anagin[...]

Supported S NMP Feat ures 16-2 Confi gur ing for SNMP Access Supported SNMP Featur es Sup po rte d Specif icati ons The access server supp orts the S NMP s pec ificatio ns l isted i n the f ollo wing table : SNMP Communi ty Nam es An SNM P co m mu n it y nam e is a ch ar a ct er stri n g tha t th e NMS u ses as a pass w ord to gai n acce ss to the [...]

Config uri ng for SNMP Ac cess 16-3 Supported SNM P Features Supp or ted M IBs The access s erver supp orts the Managem ent I nformation Bases (MIBs) lis ted in the follo wing tabl e . The rele ase kit conta ins all suppo rted MIBs. The net work manager can enr oll th ese MI Bs in th e ap pr opri at e N MS . Supp or ted MIB Va r iabl es The standar[...]

Supported S NMP Feat ures 16-4 Confi gur ing for SNMP Access Suppo rted Manage ment Informati on Base Variables Th e f ollowin g figur e ill ustra tes the ac ces s s erver im plem en tat i o n o f MIB-II , the Charac te r MIB, RS- 232-like MIB, AppleTalk MI B, and Et he r ne t -li ke MIB varia bles. The obj ects des cribe d in th is sect ion are im[...]

Config uri ng for SNMP Ac cess 16-5 C onfiguring the Access Server for SNMP Access Confi g uri n g the Acces s Ser ver for SNMP Access Enablin g and Disab ling SNMP Th e acc ess se rver mus t h ave an I n tern et ad d r ess to en abl e SNMP. To enabl e SNMP, ent er: Loca l> CH AN GE S NM P ENAB LED To disable SNMP, en ter: Loca l> CHAN GE SNM[...]

Configuring the Access Server for SNMP Access 16-6 Confi gur ing for SNMP Access Conf iguring a C om m unity Name for Acc ess by An y NMS Use the CHANGE SNMP COMMUNITY communi ty-name SET E NABLED comm an d t o cr eate a com m un ity nam e. When you cre a te a communit y name without spe ci fying an addres s the access se rver assi gns th e defau l[...]

Config uri ng for SNMP Ac cess 16-7 C onfiguring the Access Server for SNMP Access Co nfigu ring Co mmun ity Names to Se nd TR AP Mess ages You can opt ionally conf igure the acces s s erve r to send TRAP mess a ges to a specifi c NMS f or each co mmuni ty name . The ac cess s erver genera tes T RA P mes sag es in res ponse to t he event s lis ted [...]

Configuring the Access Server for SNMP Access 16-8 Confi gur ing for SNMP Access Sample S NMP Conf ig uration The followi ng figure is a diagra m of a network config uration that result s from the com mands i n the C onfigurin g a Communi ty Name for Access by Any NMS , Config uring a Community Name wit h an Address, and Conf igu ring Communit y Na[...]

Config uri ng for SNMP Ac cess 16-9 C onfiguring the Access Server for SNMP Access After yo u remove a communi ty na me, any NMS th a t u sed th e community na m e is no longe r abl e to communi cate with the acces s s erve r. The followi ng example shows how to rem ove commu nity name BUGS: Loca l> CL EAR SN MP COM MU NITY "B UG S" Re[...]

Configuring the NMS 16-10 Conf iguring for SNM P Access Config uring the NM S Pr ocedure T o c onf igure an NMS to manage an acces s serv er us ing SNMP, do the foll owing : Ste p A ct ion 1 Enter the acces s ser ver m a nageme nt informati on bas e s (MIBs) in the NMS data base (se e Suppor te d MIB Variable s in t his chapt er). The softwa re ins[...]

M anaging t he Acc ess Server 17-1 Chap ter 17 Managing the Access Server Over view In troduct ion The followi ng lists the a c tions you perform to manage the a ccess s e rver. These ac tions shou ld be done on an as-needed ba s is. • Man a ge the ac ce ss ser v er as pa r t of the LA T ne tw ork . • Man a ge the ac ce ss ser v er as pa r t of[...]

Managing Your Access Server As Part of the LAT Netwo rk 17-2 Managi ng the Access Server Mana g ing Your Acces s Server As Par t o f the LAT Network In troduct ion The network manage r should co ordinate the activi ties of servi c e nodes and access se rver s. This secti on des c ribes a set of conf iguration gui delines that help s maximi ze perfo[...]

Mana gi ng t he Access Server 17-3 Manag ing Yo ur Acces s Server A s Part of the LAT Network The followi ng example shows how to dec rease the node limit to 100: Local> CHANGE SERVER NODE LIMIT 100 Redu cin g Me mo ry Us age Se t the n ode li mit chara cteri s tic to a lower val ue. The acc e ss serve r auto matica lly reduc e s the number of n[...]

Managing Your Access Server As Part of the LAT Netwo rk 17-4 Managi ng the Access Server SHOW /LIST/MONITOR N ODE STATUS Display Fields The followi ng table des cr ibes the info rmati on in the fields a nd headi ngs of the node st atus disp la y: Field Des cri ption Node Name of the servi c e node. LAT Proto col Vx.x LAT p rotocol vers ion nu mber [...]

Mana gi ng t he Access Server 17-5 Manag ing Yo ur Acces s Server A s Part of the LAT Network View ing LAT Node Cou nters I nform ati on The S HOW/MONIT OR NODE COUNT ERS command displays the c ounters for messa ge s tran sm itt ed b etw een th e acce ss s erv er and t he s el ecte d LA T serv ic e n ode s. The counters apply only to t he spe c ifi[...]

Managing Your Access Server As Part of the LAT Netwo rk 17-6 Managi ng the Access Server Example: SHOW/LIST/MONITOR NODE COUNT ERS Display The followi ng example shows how to gen erate a displa y of the count ers for LAT messa ges between the acc e ss s erver and a servi c e node named PEACH. E ach counter dis played ha s a ma ximum value of 4 ,294[...]

Mana gi ng t he Access Server 17-7 Manag ing Yo ur Acces s Server A s Part of the LAT Network Multi ple Node Addresse s Nu m ber of ti m es that a node adve rtised its e lf with a physic al address differ ent from that in a p r eviou s adver tisem ent. Du plica te s Re cei ved N umb er o f mes sage s t he ac cess s er ver r ece iv ed f rom th is no[...]

Managing Your Access Server As Part of the LAT Netwo rk 17-8 Managi ng the Access Server View ing LAT Node Summ ary In form atio n The SHOW NODE SUMMARY command produ ces a l ine of information for e a ch se lected se rvice node. This di splay i s useful to determ ine if a s ervic e node is reachable . The node s ummar y is the de fa ul t dis play [...]

Mana gi ng t he Access Server 17-9 Manag ing Yo ur Acces s Server A s Part of the LAT Network Example: NODE SUMMARY Displa y The followi ng example shows how to gen erate a node summar y dis play: Loca l> SH OW N OD E ALL SU MMARY Node N ame Statu s Iden ti ficat io n BANA NA 2 Conne ct ed Do cumen ta ti on S ys te m ORAN GE Re acha bl e Te rmin[...]

Displaying Informa ti on About the Ac cess Server 17-10 Managi ng the Ac cess Ser ver Disp la ying Infor m a t io n About the Acces s Server In troduct ion The LIST/ MON ITOR/ S HO W SERVER command disp lay s in form ation about th e acces s s erve r or about data ma int ained by the acce ss server. You can obt ai n char acteristi cs, counter, s ta[...]

Manag ing the Acce ss Server 17-11 Displaying Information Abo ut th e Access Server Each c ounter has a maxi mu m value of 4, 294,967 ,29 5. If a count er reache s t ha t va lue, it la tches (rema ins) at that valu e until eithe r the counters are set to zero or th e a cce s s se rver is initi aliz ed. Example: SHOW SERVER COUNTERS D is play The fo[...]

Displaying Informa ti on About the Ac cess Server 17-12 Managi ng the Ac cess Ser ver Fra mes R ecei ved Nu mber of dat agr am fram es succ es sfull y rec eive d b y t he ac cess s er ver, in clu di ng mult icas t f rames . Fra mes Se nt Num ber of dat agram f ram es succ es sfull y tr ansmit ted by the a ccess server , inc luding mult icas t f ram[...]

Manag ing the Acce ss Server 17-13 Displaying Information Abo ut th e Access Server Send Failu re Reasons Mask pr ovid ing informat ion about the type or type s of send fail ure encounte re d if the Send Fa ilures cou nter is no t ze ro. T his is a cum ulativ e mask .The follo wing ar e the bits defin ed in the mas k: Bit 0 1 4 5 8 9 If a reason fo[...]

Displaying Informa ti on About the Ac cess Server 17-14 Managi ng the Ac cess Ser ver Receive Fail ure Reasons Mas k pr oviding inform ation about th e type or type s of receive failure e nc ounte red if the Rec eive Failure s count er is not zero. This is a cum u la tive mask. T he fol lowing are th e bi ts defi ned in t he mask: Bit 0 1 2 Unrecog[...]

Manag ing the Acce ss Server 17-15 Displaying Information Abo ut th e Access Server S ys tem B u ffer Un a vai la ble Numb er of time s a sys tem buff er was n ot ava ilab le i n t he acce ss s erv er for an i nco min g fr ame. This counter shou ld acc umula te at a r ate of l es s tha n tw o c oun t s pe r da y. I t i s no rm al to expe rience som[...]

Displaying Informa ti on About the Ac cess Server 17-16 Managi ng the Ac cess Ser ver Display ing Access S erve r Status The SHOW/LIST/MONITOR SERVER ST ATUS command displ a ys the stat us of the acces s s erve r. The informati on tells you how well the access se rve r is working under the cu rre nt loa d and a ls o warns you of net work trouble or[...]

Manag ing the Acce ss Server 17-17 Displaying Information Abo ut th e Access Server Queue En tries: 0 0 100 Resource Errors: 0 Availabl e Services: 89 9 2 N/A Port Fra ming Errors: 0 Local Se rvices: 2 2 20 Port Par ity Errors: 0 Reachabl e Nodes: 75 7 8 200 Port Ove rrun Errors: 0 Boot Dev ice: Ethe rnet: 0 Active C ircuits: 4 7 32 Primary Host: P[...]

Displaying Informa ti on About the Ac cess Server 17-18 Managi ng the Ac cess Ser ver Active Po rts Ports t hat have either i nteracti ve se s s ions or remot e acce ss co nnecti ons . Acti ve Users Ports tha t ha ve interactiv e s es sions. Que ue Entri es Queued co nnect i on req uests th at ar e in the ac cess server queu e . Ava ilab le Ser vic[...]

Manag ing the Acce ss Server 17-19 Displaying Information Abo ut th e Access Server The memory used for stori ng s ervi c e and node info rm ati on is share d with th at used fo r handl ing multi ple session s and qu eued connecti on request s. If th e ac ce ss s erv er re ce ive s i nfor m atio n o n a gr eat er number of nod e s tha n speci fied [...]

Displaying Informa ti on About the Ac cess Server 17-20 Managi ng the Ac cess Ser ver Load Addr ess Ethernet addres s of the node or the gatewa y from wh ich th e ac ce ss serv er was la st load ed . Some acce ss ser v ers d i s play al l zer oes if a do w nline lo ad occurs us ing BOOTP and TFTP. Dump Addre ss E t her net address of the node or ga[...]

Manag ing the Acce ss Server 17-21 Displaying Information Abo ut th e Access Server Selftest St atus (cont inued) Each num ber represe nts a b it map i n wh ich a bi t set indica tes a proble m with the p ort. Bit 1 2 4 Service :00000: This val ue is a hexadecimal rep resenta tion o f a b it map in whi ch a bit se t indica tes which servic e or ser[...]

Displaying Informa ti on About the Ac cess Server 17-22 Managi ng the Ac cess Ser ver Display ing Access S erve r Summary Infor m ation The LIST /S H OW/ MO NITO R S ER VER S UM MA RY com ma nd disp lay s th e ac ce ss server groups y ou defi ne d. The fir st li ne display s the access s erver so ftware versi on number a nd base le vel, LAT soft wa[...]

Manag ing the Acce ss Server 17-23 Displaying Information Abo ut th e Access Server Example: SHOW SERVER SUMMARY Display The followi ng example shows how to gen erate an access s e rver su m mary dis play: Loca l> SH OW S ER VE R SU MM ARY Net work Ac cess SW Vx.x fo r DS xxx Addr es s: 08-0 0- 2B-0 2- F2 -BB Name : T_LAT 06 N um ber: 6 Iden ti [...]

Checking Port Status and Counters 17-24 Managi ng the Ac cess Ser ver Checking P ort Status a nd Counte rs In troduct ion The L IST/MON ITOR/S HO W PORT co m mand di splays i nformation a bout one or more ports on the access serve r. You can obtain chara cteristi cs, counter, statu s , and summary dis plays for ports . Display ing Port Char acteris[...]

Manag ing the Acce ss Server 17-25 Checking Port Sta tus and Counters Example: SHOW PORT C HARACTERISTICS Display The followi ng example shows how to gen erate a port chara cteristic s display: Loca l> SH OW P OR T 1 CH AR ACTER IS TI CS Port 1 : J oe S mi th Se rv er: S erver na me Char ac ter Siz e: 8 Inpu t Speed : 9 60 0 Flow C ont rol: X ON[...]

Checking Port Status and Counters 17-26 Managi ng the Ac cess Ser ver Example: SH OW P ORT C OUNTE RS Display The followi ng example shows how to gen erate a port counte rs displa y: Loca l> SH OW P OR T 1 CO UN TERS Port 1 : J oe Sm it h Se rver: Se rvern am e Sec onds Si nce Zero ed: 11 8276 8 L oca l Ac cess es: 17 Fram in g E rror s: 0 Re mo[...]

Manag ing the Acce ss Server 17-27 Checking Port Sta tus and Counters Di spl a yin g P or t St a tus The SHOW/MONITOR PORT STATUS command di s play s in form ation about th e opera tional cond ition of the sele cted port. Example: SHOW PORT S TATUS Display The followi ng example shows how to gen erate a port sta tus display: Loca l> SH OW P OR T[...]

Checking Port Status and Counters 17-28 Managi ng the Ac cess Ser ver Acces s Current set ti ng of the ACCESS port chara cteristic . Ac cess d eter m ines how a p or t can acce ss a se rvic e nod e or how a port can be acce sse d by other int eractive users and s ervice node s. Acces s is s hown as one of t he foll owing: • Dy nam ic — Acce ss [...]

Manag ing the Acce ss Server 17-29 Checking Port Sta tus and Counters Di sp la yi n g P or t Su mm a ry The LIST/MONITOR/S HO W PORT SUMMARY com m and dis plays one line of gene ra l i nformation fo r each s elected port. The port s ummary di s play i s useful for obta ining informati on about how the ports a re being used . T his is the default di[...]

Checking Port Status and Counters 17-30 Managi ng the Ac cess Ser ver SHOW/LIST/MONITOR PORT SUMM ARY Display Fields The fol lowing table de scribes the inform a tion un der the headings in the SHOW/LIST/ MO NI TOR P ORT SU MMA RY d ispl ay: Heading D escription Port Numb er n of th e port . Acce ss Curr en t setting of the ACCES S port cha r acter[...]

Conf iguring and Mana ging 3270 Terminal Emulati on (TN3270) 18-1 Chap ter 18 Configuring and Managing 3 270 Termina l Emulation (TN327 0) Over view In troduct ion This ch apter explains how to c onf igur e and manage the 3270 Termin a l Emulat or (TN3270 ) software for the access server. This sof tware ena bles AS CII termina ls and PCs to acce ss[...]

Supported A SCI I Termina ls 18-2 Confi gur ing and Managing 3270 Te rmi nal Emulation (TN3270 ) Supporte d ASC II Termi na ls De fin iti o n TN3270 suppo rts the follo w ing model s of DIGITAL ASCII terminal s: • VT100 with Advanc e d Vi de o Opt ion • VT102 • VT220, VT240, and VT241 • VT320, VT330, VT34 0, a nd VT341 • VT420 In the rema[...]

Confi guring and Managin g 3270 Ter m inal Em ulati on (TN3 270) 18-3 Definition and Description of a Keyboard Map Definition a nd De scription of a K eyboar d Map 3278 Key boards Bec aus e the IBM 3278 ke yboa rd differs grea tly from thos e on ASCII te rm i nal s, TN3270 provides keyboard m aps. A keyboard m a p assi gns the functions on the IBM [...]

Configuring Basic 3270 Term ina l Emulation 18-4 Confi gur ing and Managing 3270 Te rmi nal Emulation (TN3270 ) Conf i guring Basi c 3270 Termin al Emulati o n Once th e IBM system adm ini strator ha s c onfi gured the IBM host wit h T CP/IP , you nee d to do th e fo ll o w in g : 1 Set up the ASCII term ina l. 2 Indic ate the model numbe r of the [...]

Confi guring and Managin g 3270 Ter m inal Em ulati on (TN3 270) 18-5 Configuring B asic 3270 T erminal Em ulation Term inal Set up Pa rame te rs The followin g table pro vides inf ormation o n term inal setup f or th e v arious DI GITAL term inal mode ls: I ndicating t he 3270 Model Numb er To enable 3270 emul ation on a port, you mus t sp e cify [...]

IBM Host Communications 18-6 Confi gur ing and Managing 3270 Te rmi nal Emulation (TN3270 ) IBM Host Comm u nicat ions In troduct ion This secti on desc ribe s I BM ho st com munic ation s with a te rmina l atta ched to t he acce ss serve r. Co nnecti ng to a n IBM Host After you comple te the basic conf igu ration of a port f or 3 270 emula tion, [...]

Confi guring and Managin g 3270 Ter m inal Em ulati on (TN3 270) 18-7 IBM H ost Com munications The sta tus line is rest ored when: • You us e the STATUS fun ction. • Yo u se nd da ta t o t he ho st . • The IB M ap pl ic atio n c lea rs the scr een . Status Line Messages The followi ng table des cri bes the message s that appear on the stat u[...]

IBM Host Communications 18-8 Confi gur ing and Managing 3270 Te rmi nal Emulation (TN3270 ) Sta tus Lin e Indi cator D isplay The foll owin g figure sho ws the posit ion of the stat us line indi c ator on th e s cre e n:[...]

Confi guring and Managin g 3270 Ter m inal Em ulati on (TN3 270) 18-9 Displaying a nd C ustomizing K eyboard Maps Disp layi n g an d Customiz ing Keybo ard Maps In troduct ion Althou gh the defa ul t TN3270 ke yboa rd maps are sufficient for most us er s , s ome may want to customiz e keyboa rd maps for spe cific applic ation s. Thi s section des c[...]

Displaying a nd Cu stomizing K eyboard M aps 18-10 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) Default Server-Wi de Term inal Type and K eyboard Maps The fol lowing t a ble shows th e default ke yboard ma p and the a ss oc iated te rm inal type : The s e part icular a ssociat ions bet ween terminal t ypes a nd keyboard maps are [...]

Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 11 Displaying a nd C ustomizing K eyboard Maps Loca l> CH ANGE T N3 270 TE RMINA L PC _100 _D CA KE YM AP NEW _K EYS You can carry out a simila r proces s for termina l devices th at use the VT220 keyboar d map —th e other defa ult map. Loca l> CH ANGE T N3 270 TE RMINA L PC [...]

Displaying a nd Cu stomizing K eyboard M aps 18-12 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) Selecting a Server-Wi de Ter minal T ype and K eyboard Map for a P ort A port use r who wants to e s t abl ish a TN3270 sess ion us ing a server-wide keybo a rd map can do the foll owing: Not e Port user s cannot c ustomize acces s ser[...]

Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 13 Displaying a nd C ustomizing K eyboard Maps Selec ting and Cu stomiz ing Keyboar d Maps fo r a Port Server -wide keymapping is the recommende d method for cust om izi ng users’ TN3270 keymapp ing a ssi gnments. It uses ac c ess serve r memo ry effi ciently and provid es a com mo[...]

Displaying a nd Cu stomizing K eyboard M aps 18-14 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) You can li st the default s with thi s c omman d: Local> SHOW TN3270 KEYMAP "KEYMAPNAME" The defau lts are shown in the Defau lt S er ver-Wide Terminal Type and Keyboa rd Maps and the Keyboard Ma p a nd Terminal Type . You[...]

Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 15 Displaying a nd C ustomizing K eyboard Maps Example : SH OW PORT TN3270 KEYMAP Command The following example shows a par tial di splay of a ke ymap: Loca l> SHOW P ORT 2 TN32 70 KE YMAP Port 1 : j ohn 3270 f unc tion A SCII Keys tr oke m nemon ic de sc ripti on CLEA R F 12 “A[...]

ASCII-to-EBCDIC and EBCDIC-to-ASCII Translation Tabl es 18-16 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) ASCII-to-EBCDIC and EBCDIC-to-ASCII Translation Tables Comman d s The followi ng table lis ts a n d des cri bes the commands tha t e n abl e you to display and modi fy the ASCI I-to- EBCDIC and E BCDIC-to-ASCII translatio n [...]

Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 17 Guidel ines for Managing the Use of NVRAM for TN327 0 Guid el ines for Man aging the Use of NVRAM for TN 3270 In troduct ion Ther e is a pool of approxi m ately 2.5 KB of sha red NVRAM for the c ustomizatio n of the fol lowing TN3270 char ac teristi cs : • Keyboa rd maps fo r th[...]

Guidelines for Manag ing the Use of NVRAM for TN3270 18-18 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) Limiting NVRAM Usage To l imit the num ber of NVRAM key board maps t hat th e po rt user c a n cus t omize, us e the c ommand s hown in t he followi ng example : Loca l> DEFI NE POR T TN32 70 NV RAM LI MIT 5 The defau lt lim[...]

Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 19 Command s to M anage T N3270 Terminal Emula ti on Commands to Manage TN3270 Termi na l Emulat ion In troduct ion This sectio n summari zes t he comm a nds to manage 3270 em ulation. Reference For a comple te descripti on of the s e commands and the correct s yntax, refer to the Ne[...]

Comman ds to M ana ge TN327 0 T erminal E mulation 18-20 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) TN3270 Port Char acter istics The following table p rovides informati on on p ort chara c teris tics a nd the ir defau lts: S ET/D EFIN E/ CHANGE PORT TN3 270 Description Default MODE L S pe cifie s t he mo del o f IB M 3270 Info[...]

Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 21 Command s to M anage T N3270 Terminal Emula ti on SHOW Commands The following table p rovides informati on on t he SHOW Command s for port ch arac teris tics: SHOW Displ ays PORT T N3270 KEYMAP The TN3270 keyboard m ap for a specif ied port. PORT T N3270 CHARACTERISTICS The TN3270[...]

[...]

Conf iguring and Mana ging Po i nt-to- Point Pr ot ocol ( PPP) Ports 19-1 Chap ter 19 Configuring and Managing Point-to-Point Pr oto co l (P PP ) Por ts Over view In troduct ion This ch apter explains how to c onf igur e and manage acces s serve r ports for use with PCs and compu ters a cting as Point-to-P oint Protocol (PPP) hosts. A PPP host uses[...]

Enab l ing PPP on an Acc es s Serv er Port 19-2 Configur ing and Managing Poi nt-to-Point Prot ocol (PPP) Ports Ena b li ng PPP on an Ac cess Serv er Port In troduct ion To check if PPP i s enable d on a g iven port, u s e the SHOW PORT command. When enab led, th e keywo rd P PP dis plays in the list of enab led char acte risti cs at t h e bot tom [...]

Confi gur ing and Managin g Point-to- Point Pr ot ocol (PPP) Ports 19 -3 Enabl ing PPP on a n Acces s Server P ort Ena bling Dedicat ed PPP Tr affic The followi ng example shows a s eri es of comma nds used to dedicat e a port to PPP. Loca l> DE FINE P OR T 5 AC CESS LO CA L AU TO BAU D DI SA BLED Loca l> DE FINE P OR T 5 AU TO CO NNEC T EN A[...]

Establishing and E nding a PPP Se ssion 19-4 Configur ing and Managing Poi nt-to-Point Prot ocol (PPP) Ports Establi shing and Endi ng a PPP Session Using the CONNECT PPP Command If PPP is configured , you can s tar t a PPP session on a port by entering the foll owing se cure command : Loca l> CO NN EC T PP P You can stop a PPP se s sion by: •[...]

Confi gur ing and Managin g Point-to- Point Pr ot ocol (PPP) Ports 19 -5 Displaying PPP Charac teri stics Disp laying PPP Char acteris tics In troduct ion This s ectio n d es cribe s th e command s used to d is play cha r acteris tic s for LCP, IPCP , and ATCP. Display ing LCP Char acteristic s Use the SHOW POR T n PPP LCP CHARACTERISTIC S command [...]

Disp l aying PPP Charac teristi c s 19-6 Configur ing and Managing Poi nt-to-Point Prot ocol (PPP) Ports Fiel ds in th e LC P Ch ar act e ri st ic s Displ a y The following table expl ains t he field s in t he LCP charact eris tics d i splay. Field Description Values Default LCP Indic ates if LCP is ena bled . Ena bled Disabl ed En abled Passive Op[...]

Confi gur ing and Managin g Point-to- Point Pr ot ocol (PPP) Ports 19 -7 Displaying PPP Charac teri stics Display in g IPCP Characterist ics The SHOW/LIST/MONITOR PP P IPCP CHARACT ERISTICS command displays the IPCP configura tion for a given port. Th e field s i n the dis play show th e lates t va lue s confi gured by t he SET P ORT n PP P IP CP c[...]

Disp l aying PPP Charac teristi c s 19-8 Configur ing and Managing Poi nt-to-Point Prot ocol (PPP) Ports Example : I PCP Characte r i s tics Displa y The followi ng example shows a s am ple IPCP chara cteristi cs d is play. Loca l> SH OW P OR T 5 PP P IPCP CH AR ACTE RI STICS IPCP C har acte ri stic s: IPCP : D is abled Pass iv e O pen: D is abl[...]

Confi gur ing and Managin g Point-to- Point Pr ot ocol (PPP) Ports 19 -9 Displaying PPP Charac teri stics Max T erminate The numbe r of t i mes tha t LCP se n ds a ter m i nate- requ est pa cke t to th e peer withou t recei ving an ackn owledgment. 1 to 15 atte mp t s 2 Max F ailure The number o f times that IPCP send s a negat ive ackn owledgment [...]

Disp l aying PPP Charac teristi c s 19-10 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports ATCP Char acteristics The SHOW/LIST/MONITOR PPP AT CP CHARACTERISTICS command displays the AT CP c onfiguratio n for a given port. The fields in the d i splay show the lates t valu es confi gured by the SET PORT n P P P AT CP ch a rac ter isti [...]

Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-11 Displaying PPP Charac teri stics 1. This field has a fixed value in thi s software relea s e. Max T erminat e The numbe r of times that AT CP sends a terminate -request packe t to the pee r with out receivi ng an acknowledg m ent. 1 to 15 at tempt s 2 Max F ail ure The numbe r o[...]

Disp l aying PPP Stat us 19-12 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Disp laying PPP S tatus In troduct ion This secti on desc ribes how to display the PPP LCP and IPCP status. Di spl a yin g L CP St at us Use the SHO W PO RT n L CP STATUS c ommand to displ ay LC P characteristics. T his com m and is nonpri vileged. This c[...]

Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-13 Displaying PPP Status Fiel d s in th e LC P S tat u s D is p la y The followi ng table des cri bes the fields in th e LC P sta tus display: Field Description State The L CP stat e as de fine d in RF C 1331. Negoti ation T ime The number of seco nds required by th e PPP negoti at[...]

Disp l aying PPP Stat us 19-14 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Display in g IPCP Status Use the SHOW POR T n PPP IPCP STATUS command to displa y IP CP sta tus . Thi s comm an d s how s the act ual st ate of the IP CP im plem en tat ion in th e acce ss s erv er. Bec aus e of the na ture of PPP negoti ations, th is di [...]

Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-15 Displaying PPP Status Fields in the IPCP Status Display The following table expl ains t he field s in t he IPCP status displa y: Field Description State The IP CP stat e as d efined i n RFC 1331 . The p ossible st at es are Ini tial, Star ting, Cl osed, Stoppe d, Closing , Stopp[...]

Disp l aying PPP Stat us 19-16 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Display in g ATCP Status Use the SHOW P ORT n PPP ATCP STATUS comm and to display ATCP status . The Thi s c omma n d sh ows t h e ac tua l state of th e A TC P im plem ent atio n i n t he acc es s se rver . Because of the natur e of P PP neg oti ations, t[...]

Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-17 Displaying PPP Status Fiel d s in t he A TC P S tat us D i spla y The followi ng table expl ai ns the field s in th e ATCP s ta tus displ a y: Field Des cri ption State The ATCP state as de fined in RFC 1331. T he pos s ible stat es are Initia l, St art ing, Close d, Stopped, Cl[...]

Disp l aying PPP Count er s 19-18 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Displ aying PP P Counters In troduct ion The sect ion describ es PPP counte rs. Di spl a yin g L CP Co un ter s Use the SHOW POR T n LCP COUNT ERS command to displa y L CP counters for a port. The dis play shows all the coun ters relevan t to L CP prot[...]

Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-19 Displaying PPP Counters Fiel d s in t he LC P Co un te rs Di spl ay The followi ng table descri bes the fields in the LCP counte r s dis play: Field Description Negoti ation Succ ess es The num be r of times t hat LCP suc c essfu lly en te r e d a ro und of negotia tions s i nce[...]

Disp l aying PPP Count er s 19-20 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Display in g IPCP Counters Use the SHOW PORT n IPCP c ommand to dis play the IPCP cou nters for a po rt. This com mand req uires no privi leges. The dis play shows al l the counte rs rele va nt to IPCP pr otoc ol operatio n. Most of this inform a t ion[...]

Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-21 Displaying PPP Counters Example: Command to Display the IPCP Counters The followi ng example shows how to dis play the IPCP count ers for port 5: Loca l> SH OW P OR T 5 IP CP COUN TE RS Port 5 : Serv er : L AT _080 02 B26D0 E7 IPCP C oun ters : Nego ti ati on S uc cess es : 0[...]

Disp l aying PPP Count er s 19-22 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Display ing ATCP Count ers Use the SHOW POR T n ATCP Counte rs comman d to displ ay AT CP counte rs for a port. Thi s command requ ires no privi le g e s. The counters display shows a ll the counters rele vant to ATCP prot oc o l operat ion. Most of th[...]

Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-23 Displaying PPP Counters Example: Command to Display the ATCP Counters The followi ng example shows how to dis play the ATCP counte rs: Loca l> SH OW P OR T 5 AT CP COUN TE RS Port 5 : Serv er : L AT _080 02 B26AA 94 ATCP C oun ters : Nego ti ati on S uc cess es : 0 Nego ti at[...]

Disp l aying PPP Count er s 19-24 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Naks i n T h e numbe r of ATCP c onfigure-na ks receiv ed from t he peer . Naks out The number of ATCP conf igure- naks sent to the peer fr om the acce ss server. Thi s count er should always be zero in thi s r ele ase . Reject s in The numbe r of ATCP[...]

Managing IPX 20-1 Chap ter 20 Managing IPX Over view In troduct ion This ch a pter de scrib es h ow to conf igure and manage IPX on an access serv er. In This Ch apter This chapt e r co ntains the fo llo wing topic s: • IPX Descript ion • Gett ing Starte d • Hardwar e and Soft ware Require m ents • Setti ng Up Y our PC • Setti ng Up the N[...]

IPX D es cript i o n 20-2 Managi ng IPX IPX D e scr ipt ion In troduct ion The purpo se of IP X is to allow N ovel l NetWare c li ents to dial in to (or dire c tly a ttach to) the netwo rk access s erver via asynch ronous lines . Each remot ely connect e d Novell cli ent l ooks a nd act s as if it was dire ctly connecte d to the LAN. The network a [...]

Managing I PX 20-3 IPX D escri p tion Login Pr oc ed u res One or more seria l ports of the access serv e r can be configu red for Novell dial -up access . Depending on your requirement s, differe nt login pro cedures for IPX can be confi gured inc luding: • The remote PC us er ca n c ho ose to activat e a conne ction to the Nove ll network aft e[...]

Getting Started 20-4 Managi ng IPX Getting St arted Checkli st The foll owing is a chec klist for usin g this cha pter to perfor m the ba sic steps to perfo rm rem ote node acce s s to a Novel l ne twork thro ugh a network acces s ser ve r: Ste p A ct ion 1 Determine your ha rdware/software requirements (Hard ware and Software Requi rement s). 2 Co[...]

Managing I PX 20-5 Hardware and Software Requirements Hardware and Softw are Requir ements In troduct ion This s e ctio n descr ibes the har dware and softwa re nece ssary to run IPX. Ther e mus t be at lea s t one Net Ware filese rver version 3. xx or gre at er on the ne twork . If a fi le serve r is not dire ctly atta ched to th e s ame LAN as th[...]

Setting Up Your P C 20-6 Managi ng IPX Set ting U p You r P C PC Rem o te Acces s Software Ensure you know whether the netwo rk a ccess s erver port you ar e dia ling i n to re quir es you t o e nter a log in password o r l ogs di rectl y in to the l ocal us er inte rface . If t his is the case , you will need to use term inal emulati on to c o mmu[...]

Managing I PX 20-7 Setting Up the Network Access Server Setti ng Up t h e Net work Access Serv er Enablin g IPX By default, IPX is not enabl ed on the acc e ss server . A privil eged user must enable IPX with the following comma nds : Loca l> CH ANGE I PX INT ER NAL ipx- net Loca l> C HA NGE IP X ENAB LED Not e The ip x - ne t value must be a[...]

Setti n g Up the Network Access Se rve r 20-8 Managi ng IPX can be configure d e ithe r CTS (CTS-DSR-RTS-DTR) or RI (RI-DC D-DSRS- DTR). Bas ed on c onfi guratio n, correc t ada pter m ust b e chos en (s ee App endix A). Curren t high-speed mode m s (>9600 ba ud) typi cally use CTS. Co nfigu ring t he Port for th e Logi n Meth od You can config [...]

Managing I PX 20-9 Setting Up the Network Access Server Co nfigu ring t he Port Dedica ted to PPP Fol lowi ng modem connection , the PC user will lo g in with or without pass word auth entic a t i on. Th en, PPP wi ll automa tically be a c tiva ted to pa ss IPX ne twork pac kets. Configuring the Port With Logi n Passw ord Authentication Req uired T[...]

Setti n g Up the Network Access Se rve r 20-10 Managing IPX Dis abling P PP/PA P P assw ord Aut hen ticat ion To disabl e the o ptional PPP/PAP pass word authen tication, use t he followin g comm an d: Loca l> CH ANGE P ORT n LCP AU THEN TICA TION DI SABL E Passwo rds Both login pa s swo rd authentication and PPP/PAP p a sswor d authentication u[...]

Managing IPX 20- 11 Summ ary of DECserver IPX Manageme nt Commands Summa ry of DECserver IP X Manageme n t Comman d s The fol lowing a re t he networ k access s erver c omm ands you can u s e t o manag e IPX. Port PPP IP X Comma n ds f or LCP The follow ing table explains the PORT PPP IPX c omman ds for LCP . SHOW/L IST/MONITOR PO RT n LC P Descrip[...]

Summary of DECserver IPX Management Commands 20-12 Managing IPX Port PPP IP X Comma n ds f or IPXCP The follow ing table explains the PORT PPP IPX c omman ds for IPXCP: Port PPP C omm and s for PP P Nego tiat ion St atus The followi ng table defi nes the PORT PPP commands for PP P negoti a tion status : PFC Protocol Fie ld Compre ssion for PPP data[...]

Managing IPX 20- 13 Summ ary of DECserver IPX Manageme nt Commands Ser ver IPX Comman ds The fol lowing table d e fines the serve r IPX comm ands: STATUS Displa y the value s of the PPP counters and ch arac teris tics. SHOW/ LIS T/MO NIT OR IPX Descrip tion CHARACTERISTICS Display the current values for the ch arac teris tics. SHO W/MO NITOR IPX De[...]

Summary of DECserver IPX Management Commands 20-14 Managing IPX SAP802 IEEE 802. 2 st and ard. SNAP802 IEEE 802.2 with S NAP SAP format. CHANGE/SET/DEFINE IPX FRAME fram etype NE TWO RK Description ipx -n et Specify expl icit inte rnal network number . LEARN Learn internal network number from LAN. DI S A B L E D Int e rn a l ne t w or k di s a bl e[...]

Managing IPX 20- 15 Modem Considerati ons Modem Consid er ations Dia l-In Mo dems Keep t he followin g in mind when using dia l -in mo de ms at tached t o the network access serve r: • Fl ow contro l f or t he dia l-i n mode m and the a ccess s erver port mus t ma tch. CTS is reco mmend e d for DECserve r 700 and DECserver 900T M. XON/XOFF is rec[...]

Modem Considerations 20-16 Managing IPX Recommended Serial Port Baud Rate The followi ng table lis ts guideline s for setti ng the seria l port baud ra te : UART Type Maximum Modem Speed Maximum Recommende d Ser ial Port B aud R a te 8250 96 00 Up to 9600 16450 96 00 to 14400 9600 to 19200 16450-A 96 00 to 14400 9600 to 19200 16550 Up to 28800 Up t[...]

Managing IPX 20- 17 Nov el l C li ent /S er ve r O per at i on Novel l Clie nt/Ser ver Op eration Est ablishing Rem o te Nod e Access Co nnecti on to Novell Network Vendors o f P C remote node a ccess soft ware for Novell may ha ve dif fere nt procedu res for di aling in and esta blishing a remot e acces s connect ion to a Novel l LAN through the a[...]

Novell Client/Server Operat ion 20-18 Managing IPX • Use D OS ba tc h f i les wi th al l th e c omm a nds n ec es sary t o l oad a nd ac ti vat e the remote node acces s soft ware and Nove ll software for es tab lishing an IPX conne c tion . Refer to th e remot e node acc e ss sof tware inst a llat ion guide for addi tional i nformation . • Use[...]

Managing IPX 20- 19 Operational Checko ut and Diagnosis Op er ati on al C hec ko ut and Di agn os is Ver i fyi ng Co nf igu ra tio n To verif y proper c onfigurati on, at a acce ss server m ana ge ment p ort, ty pe SHOW IPX at th e lo ca l u s er in t er f ac e p ro m pt : • At l east one L AN fra m e should have a correspondin g netwo rk number.[...]

Disabling IPX 20-20 Managing IPX Disab l ing IPX Using the DE FINE Command If you de cide yo u no longe r need IPX support, you can disable IPX by us ing t he follo wing privil eged command: Loca l> DE FINE I PX DIS AB LED Rein itial ize the access s erver to hav e this comma nd take effe ct.[...]

Managing IPX 20- 21 Fram e Ty pes Fram e Types In troduct ion To support a broad base of ne twork stati ons, the acces s server suppo rts four differe nt fr ame format s for encaps ulating IPX pack et s on the LAN. The four frame type s sup port ed by th e ac ce ss ser ver ca n be en ab l ed sim u lt an eou sl y : • Eth ernet • RAW802 • SAP80[...]

Displ aying IPX Characteri stics 20-22 Managing IPX Disp la ying IPX Cha r acter istics Us in g th e S HO W co mm a nd Use the SHOW IPX CHARACTERISTICS command to display IPX characte ri s tic s , incl uding IPX network and node numbers . The command is nonprivi leged. IPX Char acteristic s Display The followi ng example shows the command to di spl[...]

Managing IPX 20- 23 Displaying IPX Charac teri stics Inte rnal Network None or up to 8 hex adecimal numbe rs (no lea ding zeroes, 1 to FFF FFFFE). T his entry configures the IPX internal network num be r for the access server . It is used by the serial ports for con figuring a common ne twork num ber for all PC client dial- ins when PPP/ IPXCP is n[...]

Displ aying IPX Statu s 20-24 Managing IPX Disp laying IP X Status Using th e SHOW IPX Co mmand Use the SHOW IPX command to displ ay IPX status . Th e comm a nd is nonp rivileged . IPX Sta tus Displa y The fol lowing example shows the c ommand to displ a y IP X status on an a ccess s erve r: Loca l> SHO W IPX ST ATUS IPX St atu s: Rout e ent rie[...]

Managing IPX 20- 25 D isplaying IPX Counters Disp laying IP X Co unt er s Use the SH OW IPX COUNT ERS comma nd Use the SHOW IPX COUNTERS command to display the IPX count ers . The com ma nd is nonpri vileged. IPX Counters Display The following example s hows the command to disp la y IPX counters on an a ccess serve r: Loca l> S HOW IP X CO UNTE [...]

Displ a yi ng IPX Counters 20-26 Managing IPX IPX Total Packe ts Receive d Total number of da ta pac kets rece ived. IPX Local Trans m its Num ber o f data pac kets t ransm itted, orig ina tin g f rom th e acce ss s erv er. IPX Loc al Re ce iv e s N u mb er of d at a pack e ts r ec ei v ed th at we re de s tined for th e acce s s serv er. IPX Unkno[...]

Managing IPX 20- 27 D isplaying IPX Counters RIP/SAP Requests Recei ved Numb er of RIP/SAP request packets re ceiv ed. RIP/ SAP Reques ts Discar de d Numbe r of RI P /SAP re quest p ackets dis c arded . RI P/ SAP Reques t Res ource Errors Number of R IP/SAP r equest packet resource errors. RIP/ SAP Res ponses Tran smit ted Number of RI P/SAP re spo[...]

Displaying IPX Routes 20-28 Managing IPX Disp laying IP X Ro ute s Using the SHOW IPX ROUTES Co mmand Use t he SHOW IPX R O UTES command to dis play IPX Routes . This command is nonpri vileged. IPX Rou tes Displa y The followi ng example shows the command to di splay IPX routes : Loca l> SHO W IPX RO UTES IPX Ro ute s De stin at ion Next Ho p I [...]

Managing IPX 20- 29 Rese tting Counters Resetting Coun ters Usi ng the ZER O Comm and Use th e ZERO comm and to res et I PX cou nte rs. ZE R O Comm a nd Opt ion s The followi ng t able conta ins the op tions th at you can us e on the comman d line t o r eset spe ci fic counters or s ets of counters : Option Descri ption ALL Zeroes server IPX counte[...]

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M anaging Di al Services 21-1 Chap ter 21 Managing Dia l Services Over view In troduct ion Config uring di a l s ervices i s simil a r in conce pt to conf iguring a LAT serv ice or T el net lis tene r. You define a service with a specif ie d configura tion tha t dicta tes how the user can operate the dia l er. Before you beg in an y dial e r manage[...]

Dial Services Command Group s 21-2 Managi ng Di a l Ser vic es Dial Servic es Comma n d Gr oups Co mmand G roups To confi gure and mana ge the di al se rvices , use t he S ET/DEFINE/CHANGE DIALE R and SHO W/LIST/MONITOR DIAL E R com m and groups . Reference For m o r e de tailed inf ormati on about comm ands used in this chapt er , r efe r t o the [...]

Managing Dial Ser vices 21 -3 Checking the Current Server S ettings Check ing th e Current S erver S ettings In troduct ion Before you co nfigure dialer s e rvice s, determine th e current s erve r confi guration. Use the SHOW SERVER command to displa y the server confi guration. Server Co nfigur ation Display The following example s hows a typical[...]

Defining a Dialer Script 21-4 Managi ng Di a l Ser vic es Defining a Dialer Scrip t In troduct ion The firs t step i n configurin g a dial serv ice is crea ting a dia ler script. A dialer s c r i pt te lls the access s erver what text s trings t o use to c ontrol a m odem on a spe ci fic p ort. These text string s ar e al s o kn own as “modem st [...]

Managing Dial Ser vices 21 -5 Defining a Dialer Script Example: Set Dialer Script Name The following exampl e illus trate s how to modify dial er scrip t string s in a dialer script cal led “di c kens” in order to set unique d ialer c haracter istics: Loca l > DEF IN E DI AL ER S CRI PT dic ke ns C OMM AN D "A T" Loca l > S ET D[...]

Assigning the Dialer Script to a P o rt 21-6 Managi ng Di a l Ser vic es Assig ning the Dial er Script to a Port Steps After confi guring the dia l er st rings in a diale r s crip t, assign th e script to a spec ific port. Do the f ollowin g: Deter m ining the Cur rent Dialer Script Use the SHO W PO RT n command to disp lay inform a tion about spec[...]

Managing Dial Ser vices 21 -7 Assigni ng the Dialer Script to a P ort Example: The Show Port Command Display The following example s hows the result ing dis play for the SHOW PORT command. In th is examp le, the p r eferr ed dial er ser vice is CALL_H O ME and th e dial er scri pt nam e is Gene ric_14400. Loca l> SH OW P OR T 2 Port 2: Se rv er:[...]

Assigning the Dialer Script to a P o rt 21-8 Managi ng Di a l Ser vic es Ver ifying D ialer Script Co nfigurat ion Use the SHOW POR T n command to verif y any change s you make to di aler script assi gnments for a port. The cha nge ap pea rs in the Dialer Scri pt field of the displ ay. Example: Sh ow Ne w Port Co nfiguration The followi ng e xample[...]

Managing Dial Ser vices 21 -9 Defining the Dialer Service Defining the Dialer Service Steps After you de fin e the di aler scrip t and a ssi gn the di aler s cript to a port, def ine the dial er se rvic e. A dial servic e is used to establ is h a dial-back ses sion. Do the followi ng: Showin g the Current Dialer Service Ch aracteris tics Use t he S[...]

Defining the Dialer Service 21-10 Managing Di al Ser vices Example: Sh ow Di aler, Port Secur ity Enabled In this e xamp le, a user on a por t w ith SECU RIT Y enabled would not ha ve acces s to the STAT US displa y since it might pr ovid e access to unlist ed or sensit ive phone number s and oth e r in form a tion rec eived from the mod em. Loca l[...]

Managing Di al Services 21-11 Defining the Dialer Service Loca l> SHOW DIA LE R AT_T RAD ESHO W ST ATUS Dial Se rv ice: A T_TR ADE SH OW - A vai labl e Iden ti fic atio n: D ial-b ac k from t rad esho w Port : User St at us La st C onne ct ion S ta tu s 9 (rem ot e) Co nn ecte d CO NN ECTE D 14 400/L AP M 10 Avai la bl e BU SY 11 Raym on d Co nn[...]

Defining the Dialer Service 21-12 Managing Di al Ser vices Display in g Dialer Counters Use th e SHOW DIALER service -name COUNTERS c om mand t o displa y the co unters for a dialer ser v ice. Example: Sh ow Dialer Coun ters The following exa mple shows the di aler ser vice c ount ers di spla y for the dia le r ser vic e AT_TRADESHOW: Loca l> SH[...]

Managing Di al Services 21-13 Defining the Dialer Service Dialer Servi c e Charac te rist i cs The f oll o w in g tabl e de sc r ibes the dial er serv i ce ch a r ac te ri st ic s: User Account Characteri stics The following table e xplains the user account charact e risti cs: Characteri stic Description Comments ID ENTI FIC ATIO N Allows a n ident[...]

Defining the Dialer Service 21-14 Managing Di al Ser vices MODE Command Vari able s The following table e xplains the MODE co m mand va riables: USER NAM E Defin es the user name to be suppli ed to a peer that requires the acce ss ser v er to be aut he nti ca ted . Maxim um le ngth = 1 t o 16 ch arac ters PASSWORD Indicates the password to be suppl[...]

Managing Di al Services 21-15 Configuring Interactive Dial Reque sts Configurin g I nteractive Dial Re quests Configu r ing for Int er activ e Dial-Back The following example s ets t he a ccess s erver t o a p redefin ed phon e num ber: Loca l> CH AN GE DI AL ER AT_H OME P ORT 1 -1 6 IDE NT "DIA LS YO U AT H OM E" The dialer service A [...]

Framed Dial Reques ts 21-16 Managing Di al Ser vices Fr amed Dial Req uests In troduct ion Dial -ba ck requ ests can also be queue d from a cli ent tha t c onnec ts to the server usi ng PPP. Unlike PPP, the SLIP protocol does not incl ude a method of neg oti a ting conne c tion opt io ns includin g wheth e r a call -ba ck should be attempt ed and t[...]

Managing Di al Services 21-17 Framed Dial Requests 3 If you enable PPP call-back ne gotiation o n a port, DIGITAL st rongly re commend s th at yo u a lso ena ble s ome sort of a uth entic ation (for ex ampl e PAP or CHAP ) on the po rt. Wit hout authenti cation, any user who happens t o discove r the phone numbe r for tha t po rt’s mode m coul d [...]

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Managing Acces s Server Securi ty 22-1 Chap ter 22 Managing Acc ess Serve r Secur ity Over view In troduct ion The DE Cserver Net w ork Access Soft ware (DNAS) supports the fol lowing aut hen tica ti on ser vic es: • RADIUS • SecurID • Loc al Us er Acc ounts • Kerbe ros V4 In This Ch apter This chapt e r co ntains the fo llo wing topic s: ?[...]

Security Type Desc riptions 22-2 Managi ng Access Server Secu rity Securi ty Type De scriptio ns In troduct ion This s ection descr ibes the typ es o f se c uri ty th at the acce s s ser ver suppor ts . Kerbero s Kerberos i s a us er auth entication syste m desi gned for o pen network computi ng envi ronments. I t provides for the a uthenti ca tion[...]

Man agi ng Access Serv er Secur ity 22-3 Security Type Desc riptions The fol lowing oc curs: Si nce the s et of att ribu tes tha t the RADI US auth entic ation hos t sen ds t o the ac ces s se rve r c a n be incomplet e, you c a n se t default realm authoriz ation pa rameters that pr ovid e m issi ng values to compl e te th e a uthori zatio n se t.[...]

Common Terminology Across Se curity Realms 22-4 Managi ng Access Server Secu rity Common Term inol ogy Acr oss Securi ty Real ms In troduct ion This s ection brie fly defines the te rm s that are co m mon to all of the secur ity methods tha t th e ac ce ss ser v e r sup por t s. Acc ou nti ng Host A securit y s erve r tha t a ccepts and records acc[...]

Man agi ng Access Serv er Secur ity 22-5 Common Terminology Across Se curity Realms Secu r ity S erver The r em ot e hos t wit h whi ch the ac ce ss ser v er co mm u ni ca t es in ord er to re qu est auth enticat ion cl earance during the log in process. Eac h se cur ity method (ot her than use r acco unts) de fin es one or mo re host proc ess ors [...]

Managing Kerberos 22-6 Managi ng Access Server Secu rity Managing Kerbe ros In troduct ion This s e ctio n descr ibes Kerbero s sec urity featu r es and ex plains how to configu re and man age t hese fe atur e s on t he acce ss serv er. To use the procedure s in this sec ti on, you must: • Ensure that t he acc e ss se rver can communica te with a[...]

Man agi ng Access Serv er Secur ity 22-7 Mana ging K erberos Network Access Server Requirements Before conf iguring securit y-s pe cific parameters, make sure that : • You have entered the correct Int ernet address and subne t mas k. (See the Config uring the Int ern et Address and Subnet Mas k se ct ion in Cha pte r 7.) • The re is an Int erne[...]

Managing Kerberos 22-8 Managi ng Access Server Secu rity Example: Defi nition of Kerberos Set t in gs The following example s hows a sample o f the c om mands us ed to change t hese se ttings: Loca l> CHAN GE KER BE ROS DEF AU LT R EA LM f ina nc e.ac me .com S ECR ET Secr et > (not e choe d) Veri fi cat ion> (not e ch oed) Loca l> CHAN[...]

Man agi ng Access Serv er Secur ity 22-9 Mana ging K erberos Displ aying Ker beros Set tings The followi ng example shows a s am ple dis pla y of Kerberos sett ings: Loca l> s ho w ke rb c hara cte rist ic s Ret ra nsm it I nt erva l: Re tr ansm it T imeou t: 0 00 :00: 08 Tick et se rvic e port : 7 50 Pas sw ord se rvic e por t: 751 Rea lm : mf [...]

Managing Kerberos 22-10 Managing Acce ss Server Securi ty User Au thenti cati on Pr ocedure When the syste m administ rator configure s Kerbe ros securi ty features for a given acces s serve r port , you nee d to ente r a valid user name and passwor d when yo u log on to t he acc e ss se rver. A c omplete Kerberos pr incipa l name ha s the followin[...]

Mana ging Access Serve r Secur ity 22- 11 Mana ging K erberos Changing a User Name and Pas sword Once the net work manager has set u p the access server, users can c hange t heir own pass w ords o n the master KD C for t he ir re alm. Exa m p l e: Sa m pl e Ke rb e ro s U ser Aut he n t i ca tio n S es s io n The foll owing example sho w s a s ampl[...]

Managing Kerberos 22-12 Managing Acce ss Server Securi ty Port U se r Au t hen ti ca t i on Co un ter s The followi ng example shows how to dis play the aut he nticatio n count e rs for a gi ven port: Loca l> S HO W PO RT 1 AUT HEN TICA TI ON COU NT ERS Por t 1: j _s mi th Serv er : Fi nanc e_ se rver Cur. lo gin Cur . logi n T ot al Tota l at t[...]

Mana ging Access Serve r Secur ity 22- 13 Managi ng RADIUS Managing RADIUS In troduct ion A RADIUS s erver mus t be ope rational on the network. T he RADIUS s e rver c an incl ude acc ounting ca pa bili ty, but t he RADIUS acco unting can be in a separa te serve r, on a different n ode. In add ition, th ere can b e multipl e RADIUS servers on the n[...]

Managing RA DIUS 22-14 Managing Acce ss Server Securi ty Optional S etup for RADIUS You ca n use the comm ands i n the fo llo wing exa mples t o co nfigure a ddi tional securi ty para meters for RADIUS s erv e rs. T he c om mands i n these e xamples define a RADIUS se rver account ing node, the maxi m um time out period for RADIUS serve r repl y, a[...]

Mana ging Access Serve r Secur ity 22- 15 Managi ng RADIUS Example: Defining R ealm Default Authorization Attributes LOCA L> CH ANGE R ADIU S RE ALM J ON AS.C OM P ERMIS SI ONS (D IA LBACK ) LOCA L> C HANGE RADI US R EAL M JONA S.CO M CALL BA CK ENA BL ED D IAL BA CK NUMB ER "1 -800 -5 55-1 11 1" Example: De fining Passwo rd Authent[...]

Managing RA DIUS 22-16 Managing Acce ss Server Securi ty User Acc ess to the Ac cess Server The pri mary way t o define a us er’s type of acces s is to use t he RADIUS serv e r a ttri bute call ed “ U ser-S er vic e-Ty pe ”. The fo llo wi ng tabl e sh ows Us er-S er vic e-Typ e val ues t hat the acc e ss se rver s uppo rts: Set t ing User P e[...]

Mana ging Access Serve r Secur ity 22- 17 Managi ng RADIUS Additional RADIUS Attributes The tables in thi s secti on conta in li sts of addit ional RADIUS at tri butes that the acces s server supports . Genera l Session Attributes The following table d efines the gene ral se ssion RADIUS attribu tes: General Sessi on Attributes Definition Servic e-[...]

Managing RA DIUS 22-18 Managing Acce ss Server Securi ty Frame d Sessio n Attributes The f oll o w in g tabl e de fin e s th e fra me d sessi on at tri b ut es : Fram ed Session Attributes Definition Framed-P rotocol T ype of framed protocol used for s e ssion . Us ed i n Acce ss -Accept pa cket s. Value s: • PPP • S L IP Framed-IP-Add ress IP [...]

Mana ging Access Serve r Secur ity 22- 19 Managi ng RADIUS Intera cti ve S essio n Att ribu tes The following table d efines the inte ractive s e ssi on attrib utes: Interactive session attributes Defi n ition Logi n-IP-Host The IP a ddre ss of the h ost syst em wi th which the user i s to be a utomati c all y connect e d. Us ed i n Acce ss -Accept[...]

Managing RA DIUS 22-20 Managing Acce ss Server Securi ty RADIUS General No n -Session Attributes The followi ng table defi nes the RADIUS general non -s es sion attri but es : DIGITAL Vendor -Speci fic Attributes The following table d efines the DIGITAL ve ndor-spec ific at tributes: RADIUS Ov e rhead Attributes Defi n ition NAS-IP-Address IP ad dr[...]

Mana ging Access Serve r Secur ity 22- 21 Managi ng RADIUS RADIUS Accounting Attr ibutes The followi ng table defi nes the RADIUS accounti ng attribut es: Dial out Number (2) V-Type — 2 for dial out number. V-Le ngt h > = 3 St ring — Any pri ntable ASCII char acters. Dial ba ck Number (3) V-Type — 3 for dialbac k num be r. V-Le ngt h > [...]

Managing RA DIUS 22-22 Managing Acce ss Server Securi ty Optional RAD IUS User Attributes The R A DI US attr ib ut es th a t th e ac ce ss ser ve r su ppo rt s ar e as fol l ows : Not e Other RADIUS at tributes (part ic ularly acco unti ng attri bute s) are util ized inter na lly betwe e n t he RADIUS se rver or accounting server and the access ser[...]

Mana ging Access Serve r Secur ity 22- 23 Managin g SecurID Managing SecurI D In troduct ion The Security Dynamics ACE/Server software pe rform s dynamic two-facto r Secur ID au th entic ation. Dynam ic t wo-fa ctor auth en ticatio n co m bine s som ething th e user knows — a memori z ed person al identif ication num ber (PI N)— with s om ethi [...]

Managing SecurID 22-24 Managing Acce ss Server Securi ty SecurID Realms SecurI D ser ve rs do not pro vide any authori zation data; ther efore, any aut hori zation informat i on comes from the SecurID realm or the port characteristi c s. If a Sec ur ID car d i s in a new PI N m ode a nd the new PIN is co min g f rom th e ac ces s se rver , the new [...]

Mana ging Access Serve r Secur ity 22- 25 Managin g SecurID Example: I ncluding the Re alm Name If your r ea lm name has to be in cluded when the acc es s s erve r sends me ssa ges to SecurI D, issue the comm and s hown in th e followin g example: LOCA L> CH ANGE S EC URID R EALM real m- na me INCL UD E For mos t us age, you wi ll not wa nt to i[...]

Managing SecurID 22-26 Managing Acce ss Server Securi ty Set t ing User P er miss ions Permi ss ions are expli c itly give n by the value in the realm d e fault s. When these are still miss in g, the port configur ation can supply it s sp e cifie d values (for attri butes having a corre sponding re presen ta tio n in t he port). Permis s ions are D[...]

Mana ging Access Serve r Secur ity 22- 27 Managing Loca l Access S erver Security Mana g ing Local Access Ser ver S ecurit y In troduct ion The tas ks descr ibed in this secti on cover the confi guration of the loca l a cce ss ser ver re alm an d se tup of lo cal us er acco unts . Config uration of ser v er s ecurity invo lves: • Acces s serv er [...]

Determining Security Configuration 22-28 Managing Acce ss Server Securi ty Determ in ing Sec uri ty Config urat ion Display ing RADIU S, SECUR ID, and KERBEROS Characteristics The SHOW {RADIUS | SECURID | KE R BEROS} CHARA CTERISTICS command dis plays all confi gured realm names , a long with any perti nen t configur at i on para m eters. T his c o[...]

Mana ging Access Serve r Secur ity 22- 29 Det erm ining S ecurit y C onfig u ratio n Exampl e: Show ing SecurID The following example s hows the result ing dis play for the SHOW SE CURID CHARACTERISTICS command: LOCA L> S HOW SE CURI D Retr an smi t In te rval : 0 0:00: 02 R et ransm it T imeO ut : 00. 00 .2 0 Serv ic e P ort: 7 55 Real m: A AA.[...]

Determining Security Configuration 22-30 Managing Acce ss Server Securi ty Example : Displayin g Ke rber os C harac teristi c s The following example s hows the result ing dis play for the SHOW KERBE ROS CHARACTERISTICS command: LOCA L> S HOW KE RBER OS Retr an smi t In te rval : 0 0:00: 01 Re tr ansmi t Ti meOu t: 00:00 :2 0 Tick et se rvic e p[...]

Mana ging Access Serve r Secur ity 22- 31 Det erm ining S ecurit y C onfig u ratio n Sho wing t he Auth enticati on Coun ters This acce ss serv er can displ ay the co u nte r s for al l real m s ( local , RADIUS , KERBE ROS ). Any session auth ent icated by RADIUS att empts to send account ing data to the RADIUS S e rver. S essions authentic ated b[...]

Managing Dial-Up Access Security with AUTOLINK and AU TO LINK Authe ntication 22-32 Managing Acce ss Server Securi ty Managing Dial -Up Access Security with AUTOLINK and AUTOLINK Authentication In troduct ion AU TO LI NK le ts PC cl ie nts l og i n u sin g SL I P,P PP , an d ch ara ct er ce ll te rmi na l m ode . AUTOLINK AUTHENTICATION provides a [...]

Mana ging Access Serve r Secur ity 22- 33 Managin g Dial-Up Access Security with AUTOLI NK and AUTO LIN K Authentica tion Enabling AUTOLINK Auth en tication If you want authenti cated l ogins, you must s epar ately c onfigure t he port t o requ ire AUTOLINK AUTHENTICA TION. The authenti ca tion can be by P PP PAP, PPP CHAP, or interact ively by ter[...]

Managing Dial-Up Access Security with AUTOLINK and AU TO LINK Authe ntication 22-34 Managing Acce ss Server Securi ty If you us e either the PAP NOUSE RNAME or C H AP NOUSERNAME optio ns with the PORT LCP AUTHENTICAT ION command when you enabl e AUTOLINK aut he n ti ca ti o n , th e lo g i n f ai ls . Note if you confi gure the defaul t protocol an[...]

Mana ging Access Serve r Secur ity 22- 35 Managin g Dial-Up Access Security with AUTOLI NK and AUTO LIN K Authentica tion Tim eout s The fol lowing are the pro perties of AUTOLINK time outs: • A user has one mi nute to compl ete an interact ive login su c cess fully. The cloc k st arts from t he t ime the USERNAME> pr ompt is displa yed. Th is[...]

Specifying O ther Sec urity Featu res 22-36 Managing Acce ss Server Securi ty Spe cifying Oth er Securi ty Features In troduct ion This s e ctio n descr ibes variou s securi ty features on int eractive ports. Spe cifyi ng Dedic ated S ervice f or LAT or Te lnet Reso urces The res ult s of specifying a de dic ated ser vic e on a port are as fol lows[...]

Mana ging Access Serve r Secur ity 22- 37 Specify ing Other S ecurity F eatures Teln et Requi rement To s et an In ternet ho st as a dedi cated s ervice, the d efault pr otocol m ust be set to TELNET. You can use th e hos t’s Internet add r es s , domain name, or relat ive domain nam e if the host is define d in a name server ; howe ver, you cann[...]

Specifying O ther Sec urity Featu res 22-38 Managing Acce ss Server Securi ty Login Pass word Definition Exam pl e The followi ng example shows how to def ine TOTAL as the login pa s sword : Loca l> CH ANGE S ER VER LO GIN P AS SW ORD "T OTAL" or Loca l> C HANGE SERV ER L OGI N PASS WORD Pass wo rd> TO TAL (no t ec hoe d) VERI FI[...]

Mana ging Access Serve r Secur ity 22- 39 Specify ing Other S ecurity F eatures Example: Ch anging the Se rver Password Atte mpt Lim it The following example s hows how to change the pa ssword lim i t t o 6: Loca l> CHAN GE SER VE R PA SSW OR D LI MI T 6[...]

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Acco unting 23-1 Chapter 23 7 Accounting Over view In troduct ion This c hapter de scribes t he network a cce ss s erver acco unting com ponent. T he basis of an a ccountin g facili ty is the l ogging o f even ts relate d to us er acce s s. T hese eve nts ca n be us eful to su pport audit tra ils, bill ing, capac it y plannin g, and conn ectio n tr[...]

Accounting De scription 23-2 Accoun ting Accounting De scr iption In troduct ion The confi guratio n of the acco unting featu re is supported us ing SNMP and the user inte rface. T he ac c ounti ng log it self i s als o acces sible by both m echani s ms. T he re i s also a fa c ilit y for se ndi ng accountin g eve nts to the access serve r console [...]

Account ing 23 - 3 What Ev ents Ar e Logged ? What Events Are Logged? Co ntent s of Lo g Entry Types The followi ng t able shows the f iel ds t hat a re logged in each accou nti ng log e ntr y t ype: Log Entry Type Even t Time Port ID Por t Acc ess Peer Rea son T x Rx Us er Port Logi n XX X X X Port Logou t X X X X X X Sess ion Conne ct Attempt XX [...]

What Ev ents Ar e Logge d? 23-4 Accoun ting Even t Field Descr iption s The followi ng table descr ibes the fie lds in the accou n ti ng log en tries: Pri vileg e Pass - word Modified XX X X Ma inte - nan ce Pass - word Modified XX X X Logi n Pass - word Modified XX X X User Pri vileg e Level Modified XX X X SNMP Commu- ni ty M o d- ifie d XX X X R[...]

Account ing 23 - 5 What Ev ents Ar e Logged ? Port • For s es s ion c o nnec t/disc onne ct events: — Local Ac cess: The port the sessi on connect or dis c o nnec t occu rre d on. If the connect ion is initi ated from a physical port, this field will hav e the physic al port number. If the conne ct ion is ini tiated fr om an exis ting remote co[...]

What Ev ents Ar e Logge d? 23-6 Accoun ting Port • Sess ion c onnect/di sconnec t: The protoc ol a ssociate d with the se s sion attempt or di s connec t. These values can be : — L A T — TELN ET — M OP — TN3270 — SL IP — PP P — AUTOLINK — PI NG No te : For a T N3270 sess i on, the prot ocol type may a ppear as TELNET for the conne[...]

Account ing 23 - 7 What Ev ents Ar e Logged ? Peer The va lue of t his fie ld varie s depe nding on t he prot ocol fie ld, as fo llows: • L A T — L o cal Ac cess: Fo r nondedicate d/preferre d case, wha teve r you type following the CONNECT [ LAT] command. For example , C CLUSTER1 (peer is CLUSTER 1); C CLUSTER1 NODE NODE1 ( peer is CL UST ER1 [...]

What Ev ents Ar e Logge d? 23-8 Accoun ting Tx • Sessio n Disco nn ect E vent: The nu mber of bytes of s uc cessf ully tr an smitte d use r dat a on this sessi on at the time of sessio n termin ation. T his fie ld will a lways be zero for MOP remote consol e conne ctions. • Logo u t Eve n t : T he num be r of byte s o utput to the port duri ng [...]

Account ing 23 - 9 W hen Events Are Logge d When Even ts Are Log ged In troduct ion This s ectio n d es cribe s whe n each s pecifi c event t ype is logged . Logi n Ev ent s Logi n e vents are logged at the t ime of the succe s sful login (just be f ore the use r gets the Loc al> prompt) . Unsuc cessful logi n atte mpts are handled by Kerberos P[...]

When Event s Are Logged 23- 1 0 Ac c o un t in g Pass word Modified Events Password modifie d events (Privi lege, Main tenance, Login, R emote) ar e l ogged whene ver th e associ a ted pa ss word i s modifie d with a SE T/DEFINE/CHANGE com mand. A single event is logged for each UI command (only o ne event is l ogged for a CHANGE command). SET comm[...]

Accounti ng 23-11 Manag ing A ccoun ting Managing Accounting In troduct ion You can manage the a ccounti ng feature fully by us ing SNMP or the user int erface. You can acces s the acc ount ing lo g i tsel f usi ng bo th mechanism s. This secti on d escri bes the use r int erface commands you ca n use to mana ge the accoun ting feat ure . Reference[...]

Managing Acc ounting 23- 1 2 Ac c o un t in g Chang ing the Acco untin g Thr eshold Use the ACC OUNTING T HRESHOLD command to sp ecify the poi nt i n the buil ding of a log when th e accou nti ng component sends out a thre shold notif ication. Valid valu e s f or the AC COUNTING THRESHOLD vari able a re: • NONE: No noti fication. • HALF: No ti [...]

Accounti ng 23-13 Manag ing A ccoun ting Display ing Account ing Cha r acter istics Use the SHOW ACCOUNTING CHARACTERISTICS command to display th e curre nt values of the ac cou nting variabl es. Example: Displayi ng Accountin g Characteris tics The followi ng example shows the dis pla y that appea r s when you use the SHOW ACCOUNTING CHARACTER I S[...]

Managing Acc ounting 23- 1 4 Ac c o un t in g Display ing the Acco unting L og Use t he SHOW ACCOUNTING LOG c om mand t o view t he lo g. Example: Displ aying the Accounting L og The following example s hows a sample acc ounting l og: Loca l> SHO W ACCO UN TI NG LO G Acco un tin g Lo g: Even t: Lo gin Ti me : 02 6:10: 33 Port : 3 Ac ce ss: Local[...]

Accounti ng 23-15 Using t he Account ing Con sole Logging F eature Using the Accounting Consol e Logging Fe ature Descri p tion Whe n cons ol e logging is enabled, the accounting comp onen t displays the account ing even ts on the server c onsol e as t hey occur. T his can be useful fo r vi ewing e vent s on a cons ole te rm inal o r print er. It i[...]

Using the Accounting Console Logging Fea ture 23- 1 6 Ac c o un t in g Exa m p l e: Te lne t Remo t e Vi ew of th e A cc ou n t ing Lo g The followi ng example shows the commands necessary to r em ote ly view the account ing l og via T elnet wi th a lo opback co nnector on port 16: Loca l> CHA NG E PO RT 16 ACC ES S RE MO TE Loca l> CHA NG E [...]

Cable and Adapter Reco mmen dations A-1 Appendix A Cable and Adapter Recomme ndations Cable and Adapter Hard ware Cab le and A dapter Table The followi ng table lis ts the cable and adapte r hardware you nee d to con nect devices to spe cific D ECse rver mode ls: To C onne ct This Device: T o Th is DECserve r Mo del : 90M or 90T L (8 Po rt) 900TM ([...]

A-2 Cable and Adapter Recommendations Refer e nce Refer to the Site P repara tion Gui de or User’s Guide s hippe d with you r access server hardwa re for furt her inform a tion . To help pla n and ins tall networking s ystems usi ng the DE C OPEN DECc onnect sys tem, ref er to the doc umentati on list ed in t h e pr eface to this manua l. PC comm[...]

Gl oss ary - 1 Glossar y acc ess serv er A gen eric na m e for a family of Dig ital E quipment Corporation access s ervers. access server c onfiguratio n database A lo ad hos t databa se that cont ai ns t he D ECn et c har acte rist ics an d t he a cces s se r ver type , the l oad file name, a nd the dump file na me for e ach a ccess se rver. acc e[...]

Gl ossary -2 American Standard Code fo r Information Interchange See ASCI I . AppleTalk An Apple Comput er, Inc., tr ademark for their ne twork protocol s uite. ASCII Ame rican S tanda rd Code for Infor mation Int erchange . A set o f 8-bit binar y numbers repre senting the al phabet, punctua tion, numeral s, and other speci al symbols used in text[...]

Gl ossary -3 BO OT P Inte r net B oots trap Protoc ol. Thi s Internet protocol is us e d t o configure the com mun ic ati ons software on a load hos t. BOO TP/ TFTP Serv e r This i s a loa d host tha t u ses the BOOT P and TFTP Int ernet proto cols to c onfigure th e load host and downline load t he softwa re. broad c ast A ac cess serv er port cha[...]

Gl ossary -4 CRC Cyc lic R edundanc y Check . A n erro r dete ct ion sc he me in w hich a rec eiv er ch eck s ea ch bloc k of data for e rrors. CTS Clea r To Send. A si gnal sent from the port de vice to the acces s se rver to ind icate tha t the po r t de v ic e is r ea dy to re ce iv e dat a . Cyclic Redundanc y Check See CRC . data gr am See I P[...]

Gl ossary -5 dequeue To re m ove t he first ent ry in a que ue and to a ttempt the function for which th e entr y was queue d. DNS Domain Name Sys te m . An In ternet namin g syst e m that m aps, o r tr ansl ates, dom ain names to a ddre sses. See do m ain nam e s. domain n ames In te rn e t. The domai n name consis ts o f a seque nce of subna mes [...]

Gl ossary -6 event lo gging This is a process of recordin g si gnificant occurr enc es on the network. fa ilover LA T . A fail ure-recovery fu nction prov ided by LAT s oft ware. Failove r occurs whe n a use r’s current L AT sess ion is disrupte d by the fa ilu re of the servi ce node. Fail over att e mpts to conne c t the user to the same servi [...]

Gl ossary -7 image See access se rver imag e . ini tia l iz at ion The proc ess of r unning the a c cess server d iagnostic s e lf-test program and , o ptionally, downli ne load ing the ac ces s serv er wit h th e acce ss serv er i mage . Install ation Verificatio n Procedure See IVP . In tern et In ternet (wr itten in a ll l owercase let ters ) is[...]

Gl ossary -8 Inte r net Prot ocol See TCP/IP . IP Inte r n et Pro tocol . Se e TCP/IP . IP d a tagram Internet . A bas ic unit of inf orm ati on tra nsferred over the Inte rne t. IVP Inst allati on Ve r ificatio n Pr oce dure . This pr ocedur e v erif ies t hat the acce ss s erv er softwa r e was su cc ess ful ly inst al led on a Ope nVMS l oad hos[...]

Gl ossary -9 L AT ar chi tectu re A layer ed networking mod e l that iden tifie s LAT communic ations func ti ons, assi gns spe c ific function s to distin c t la yers, and specif ies gener al rules for communicat ion betwe e n LAT node s . LAT Cont rol P rogram A contr ol pro gram tha t provid es a c ommand in ter face t hat al lows sys tem and ne[...]

Gloss ary-10 loc al n am e se rv er A name s erver that i s au tho riz ed for th e dom ai n w here t he a cc es s se rv er i s lo ca ted . l o ca l serv ice Network resourc e offe re d by your access serve r. loopback test A acces s serv er asynchro nous port te s t during which data is loope d to the modu le. The re are two type s of loopbac k tes[...]

Glossa ry-11 name r esolution Internet . Refe rs to the proces s of trans la ting a name into a corre s pondi ng I nte rnet addre ss. The Internet domain name syst e m provid es a m echa ni sm for naming com puters in which programs use remote name server s to resolve comput er names into Inte rne t addre sses for t hose compute rs. name se rver Se[...]

Gloss ary-12 Nonvolati l e Random Ac c ess Memory See NVRAM . NVRAM Nonvo latile Rand om Acces s M emory . This is a RAM th at re ta ins it s m em o ry upo n powe r lo ss. ODL Font Protoc ol On- Demand L oadi ng Font Protocol . A protocol tha t enables Asian te rm i nal s conne cted t o the a ccess serve r t o use the LAT pro toc ol to a cces s Jap[...]

Glossa ry-13 pr in t s poo ler A progr am that enable s many us ers t o share th e pri nting devi ces of a syste m, su c h as a acce ss s erv er. privileged stat us A port statu s th at can only be set by a use r that knows t he acc e ss se rver pri vilege d pas sword. Users at pri vilege d ports can e xecut e all c ommunicati ons serve r c ommands[...]

Gloss ary-14 remote pr int queue A que ue on a s ervi c e no de. The que ue ho lds c onnect ion reque s ts made from the servi ce node re ques t ing use of a printer (remot e printer) on a access serve r. See ho st-i ni ti ate d reque st . Request To Se nd See RTS . ret ra nsm i t li m it The number of tim es a LAT virtua l ci rcuit mess age is ret[...]

Glossa ry-15 serv ic e ra tin g A value assigne d to a net work r esourc e by t he s e rvic e node to indicate its relative capabi lit y to acce pt new sessions . The rati ng is scaled f rom 0 to 255, where 255 is the gr ea test capacit y. Access serve r s use this rati ng to choose a servi ce node when a user att empts to connect to a servic e tha[...]

Gloss ary-16 subnet iden tifier This i s the part of the network addres s that is un ique to the subnet . It can be det ermined by logic ally ANDing the Int e rnet ad dress with the subne t m as k. subnet m ask A 32-bit quan tit y that ena bles gateways and hos t comput ers to know whic h bits in the Inte rnet add ress corr espond to thei r subne t[...]

Glossa ry-17 Ter minal Devic e /S e ss ion Mana ge ment Pr otoc ol See TD/SMP . Ter m inal Se rver Manage r See TSM . terminal session A sing le sessi on on a ac ce ss serv er port that i s opera t ing u nder sess ion manage m ent cont rol. Tim e To Li v e See TTL . TF TP Triv ial File Tr ansfer Protoc o l. For access serve rs, this Intern et proto[...]

Gloss ary-18 UDP Use r Data gram Protoc ol . A protocol that is th e part of the Internet Protoco l that pr ovides d a tagram servic e . It disti nguishes between m ultip le destin ations on a host, all owing multipl e applica tion programs ex ecuting on a host to i ndepende ntly excha nge (se nd and receive ) datagram s wit h mul tiple appl ic ati[...]

Index-1 Index Symb ols * 4-6 /et c/add_DECse rve r pro cedure 4-2 /e tc /l i s t_ D E Cs er v er pr o c ed u r e 4-2 /et c /r em_DEC s erver procedur e 4-2 >>> 5- 9 Number s 3270 em ula tion 1-2 , 18-1 , 18-19 confi guring 18- 4 te rmi na l 18-1 A AARP 8-6 , 8-9 Abor t Outpu t (AO) 11 -23 , 13- 12 ACCESS De v i c e char a cteri stic 9- 2 A[...]

Index -2 addre ss 8-2 cach e si ze 8-3 ch arac teris tics 8-5 confi guring 8- 2 DDP packets 8- 2 diap laying routes 8-12 dis abling 8-3 dis playing c ounters 8-6 dis playin g statu s 8-10 echo packet s 8-2 ena bling 8-2 man aging 8-1 netwo rk number 8-2 node num be r 8-2 Are Yo u There (AYT) 11-23 , 13-12 ARP entries 7-1 , 7-18 ATalk Ad dress Appl [...]

Index -3 exe cuti ng 3-4 Com m and s CHANGE 1- 6 , 2-3 CLEA R 2-3 CLE AR/PURGE TEL NET LIST ENER 2- 1 1 CONNECT 4-6 , 11-11 DEFINE 1-6 , 2- 3 defi nitions 2-3 DE LETE 4-5 DSV$CONFIGURE 4-4 , 4-6 LIST 4-6 SERVE R 4-4 SHOW 4-6 USE 4-6 HE LP TUT ORIA L 2-5 LIST 2-3 loa d h os ts 4-4 logout 2-12 MODIFY 4-5 MONITOR 2- 3 OPEN 11-11 pr ivileged 2-4 PURGE [...]

Index -4 man agement 1-3 Dial ba ck 21-1 5 to 21 - 16 Di aler 21-1 dis playin g status 21-10 scrip ts 21- 6 defi ning 21-4 nam es 21- 5 servi ces chan ging 21- 12 ch arac teris tics 21-13 defi ning 21-9 DIALUP char acteristic 10-14 DISCONNECT commands 11 -14 , 12-15 , 19-4 ALL 11-14 PORT 11- 5 1 DNS 22-7 Do- B inary 11-49 Do- ECHO 11-49 Do- End of [...]

Index -5 Last Err or App letal k st atus dis play 8-11 NCP 2-8 No Such Name 8-3 Errors framing 15-7 , 17-25 overru n 17-25 pari ty 17-25 Eth ernet 2-8 , 8-14 , 15-3 , 17-2 , 17-10 count ers data lin k 17-10 Etherne t Address Appl eTal k A RP disp lay 8-14 Even t fi el d 23-4 F Fa il Ans wers 7-10 Fa ilover 11-7 dis abling 11- 7 File transfers 13-7 [...]

Index -6 ch arac teris tic Chang ing the time out period 9-14 SHOW SERVER di splay 2-6 In itial izat ion acce ss s erver 5-1 from Fl as h R AM im age 5-5 spec if y i ng th e so ftw a r e im ag e n a m e 5-5 usi ng NCP 5-7 INITIALIZE c o mmand 5-4 DIAGNOSE option 5-6 Tests 5-6 DISABLE opt ion 5-6 spe c ifyin g the delay v alue 5-5 INPUT FLOW CONTROL[...]

Index -7 netwo rk commun ications 1-3 , 17-2 netwo rks 4-1 , 11-16 , 12 -1 3 , 15 - 11 pr otocol 17-2 count ers 17-10 pr otocols 11-6 servi ce 21-1 se rvic e node 2-8 , 11-10 , 12-1 6 Services lim ite d vi ew 2- 2 servi ces 1-2 , 11-43 , 11-46 , 17-2 acces s configurati on 12-3 confi guring a computer as 12-7 confi guring a modem as 12- 8 confi gur[...]

Index -8 MO DE com m an d 21-14 MODEM CONTROL 10-3 , 10 -9 to 10-10 , 10-12 , 10- 15 , 10-18 , 12-13 , 13-5 ch arac teris tic 10-7 ena bling 10- 8 Modem si gna ls 10- 1 , 10-3 Access se rver t ype 10-3 acce ss s erv er ty p e 10 -3 descri ption 10-5 Full MODEM CONTROL 10-3 MODEM CONTROL 10-3 Modem s 19-3 confi guring 10- 1 5 , 12- 6 Config uring a [...]

Index -9 OUTPUT FLOW CONTROL de vice char acter isti c 9-3 Output Packets 7- 9 P Packet forwardin g 15 - 3 Pac ket s re ceiv e d 15- 14 Packets s ent 15- 14 PAP 20- 8 PARITY De v i c e char a cteri stic 9- 3 Parity errors 17-25 PASSALL 11-36 PASSCHE CK characteristic 6-13 Pas sw o r d au t he n ti ca ti o n ty pe defi ning 22-25 Password fa i l 23 [...]

Index -10 Pri vileged passw ord chan ging 2-4 Prompt s 4-4 >>> 5- 9 chan ging 17- 10 ENTER PA SSC ODE> 22-23 Ente r us ername> 11- 34 LOC AL > 2-6 , 4-8 Loca l> 2- 2 SecurID 22- 23 Prot f i eld 23-6 Prot ocols ANY 11-6 BO OT P 4-12 BO OT P/ TFT P 4-2 MDS 4-2 MOP 2-7 , 23-7 PPP 1-2 to 1-3 , 11- 6 , 23- 7 SLIP 1-3 , 11-6 , 22 -1 [...]

Index- 11 Respons e Informat ion 6-16 Re sum e Ou tp ut 11-44 Retr ansm it l imit ch arac teris tic 6-15 SHOW SERVER di splay 2-6 RI 10-3 to 10-5 , 10-9 RIN G ch a r ac te rist ic 10-12 RING Ind icator (RI) 10-3 to 10-4 Ring Indi cator (RI ) 10-5 Route r Lost 8-8 RT MP 8-8 RT S 10 -3 , 10-5 , 10-9 , 10- 1 2 to 10 -1 3 , 10-18 Rx F ie l d 23-8 S Sec[...]

Index -12 INTE RNE T TCP KEEP ALI VE TIM ER 7-19 PORT 11- 1 4 POR T ch ar a ct er i st ic s 2-7 Short DDP Errors 8- 7 SHO W com m an d IN TE RN E T CO U N TE RS 7-21 SHOW commands 2- 3 , 8-6 , 8-1 0 APPL ETAL K RO UT ES 8-12 DSV$CONFIGURE 4-6 INTE RNE T N AM E RE SOL UTI ON 7- 7 INTE RNET N A ME RE SOLU TIO N COUNTERS 7-9 NODE 4-5 PORT 9-4 PORT CHA[...]

Index- 13 Appl eTal k A RP disp lay 8-14 Apple T alk rout es display 8-13 STOP B ITS De v i c e char a cteri stic 9- 3 Subn e t mask 22-7 defa ults 7-4 Subn e ts 15-5 routi ng 7- 1 7 Suspec t Apple T alk rout es display 8-13 SWI TCH CHAR A CTER charac terist ic 11- 26 Config uring 11 -27 Synch 11-23 T TCP kee palive timer 7-1 , 7-19 TCP S egmen ts [...]

Index -14 ULTRIX 4-2 , 22-6 DECnet 2-7 UNIX 22-6 UNIX/OSF 4-2 UNIX/OSF/1 4-2 Unse nt prob es 8-6 Unsent re s p ons e s 8-7 Up Apple T alk rout es display 8-13 Appl eT al k statu s disp l ay 8-11 USE co mm an d 4- 6 User accounts 22-1 , 22-3 chan ging use rnames 22-1 1 User au t he n ti ca ti o n 1-2 User fi eld 23 -8 Use r groups 2-3 , 11-4 1 as s [...]