HP 4108GL manuale d’uso

hp pr oc urve s w itc h 4108gl management and conf igur ation gui de w w w .hp .com/go/hppr ocurv e[...]

[...]

HP Procurve Switch 4108G L Management and Configuration Guide Software Release G.01. xx or Later[...]

Hewlet t-Pa ckard Compan y 8000 Foo thills Boulev ard, m/s 5551 Rosev ille, Cali for nia 9574 7-5 551 http:// www.h p .com/g o/hppro curve © Copyright 2001 Hew lett-Pack ard Compan y All Righ ts Reserved. This docume nt contains information w hich is prot ected b y copyright. Reproduction, adapta tion, or translation without prior permission is pr[...]

iii Pref ace Preface Use of This Guide and Other Pro curve Switch Documentation This guide de scribes how to use the c omman d line inte rface (C LI), menu inter face, and web browse r inter face for the HP Proc urve Switch 4108GL — also ref erred to as the S witch 4108GL. ■ If you need inf ormat ion on specific paramete rs in the m enu interf [...]

iv Pref ace T o Set Up and Install the Switch in Y our Netw ork Use the HP Pro curve Switch 41 08GL Inst allatio n and Gettin g Started Guid e (shipped w ith the switc h) to guid e you in the f ollowing: ■ Physically insta lling the switch in y our network ■ Quickly assigning an IP address and subnet mask, set a Manager pass- word, and (optio n[...]

v Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Use of This Guide and Other Procurve Switch Document ation . . . . . . iii Just Want a Quick Start? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii To Set Up and Install the Switch in[...]

vi Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Acces sing th e CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3[...]

vii Switch Me mory and Configu ration Chapt er Cont ents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Overview o f Configura tion Fil e Management . . . . . . . . . . . . . . . . . [...]

vii i IP Addressing with Multiple VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4 IP Addressing in a Stac king Environment . . . . . . . . . . . . . . . . . . . . . . . 7-5 Menu: Config uring IP Ad dress, Gatew ay, and Time -To-Live (TTL) . . 7-5 CLI: C onfiguri ng IP Address, Gate way, Time-T o-Live (T TL), and Timep . . . . . . [...]

ix Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2 Configur ing Username a nd Password Sec urity . . . . . . . . . . . . . . . . . . 9-3 Menu: Configuring Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5 CLI: Setting Manager and Operator Passwords[...]

x Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2 Viewing Por t Status and Conf iguring Por t Parameter s . . . . . . . . . . 11-2 Menu: View ing Port Stat us and Config uring Port Parameters . . . . . 11-5 CLI: Viewing Port Sta tus and Configuring Port Parameters . . . . . . . [...]

xi Configuring CDP Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-21 Effect of Spanning Tree (STP) On CDP Pack et Transmi ssion . . . . 12-23 How the S witch S elect s the I P Add ress To Inclu de in O utboun d CDP P acket s 12-2 4 CDP Neighbor Data and MIB Objec ts . . . . . . . . . . . . . . . . . . . . . . . . . 1[...]

xii Web: Viewing and Configuring VLAN Parameters . . . . . . . . . . . . . . 14-22 VLAN Tagging Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-23 Effect of V LANs on Other Switch F eatures . . . . . . . . . . . . . . . . . . . . 14-27 VLAN Restrict ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

xiii CLI: Co nfiguri ng STP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-5 Web: Enabling or D isabl ing STP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-9 How STP Op erates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 6-9 STP Fast Mode . . . . . .[...]

xiv Menu: Entering and Navigat ing in the Event Log . . . . . . . . . . . . . . . 18-17 CLI: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-18 Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-19 Port Auto-Negotiation . . . . . . [...]

1-1 Select ing a Mana gement Interface 1 Selecting a Management Interface Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Understanding Management Interface s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Advantages of Using t he Menu Interfac e . . . [...]

1-2 Selec tin g a Mana gement Interf ace Overv iew Sele cting a Ma nagem ent Int erf ac e Overview This chapte r descr ibes the following : ■ Manage men t inte rfaces for th e Swit ch 410 8GL ■ Advantag es of using each interfac e Understanding Management Interfaces Manage ment i nterfa ces en able you to reco nfigu re the switch and to monito [...]

1-3 Sele cting a M anage ment In terf ace Adv anta ges o f Us ing th e Me nu In te rface Sele cting a Ma nagement Interface Advantages of Using the Menu Interface Figure 1-1. Example of the Consol e Interface Disp lay ■ Provides quick, easy management access to a menu -drive n subs et o f switch con figurat ion an d perfor mance fea tures: The me[...]

1-4 Selec tin g a Mana gement Interf ace Advant ages of U sing the CLI Sele cting a Ma nagem ent Int erf ac e Advantages of Using the CLI Figure 1-2. Exampl e of The Comma nd Prompt ■ Provides a ccess to the co mplete set of the switch configura tion, perfor- mance, a nd diagno stic feature s. ■ Offers out- of-band acc ess (through the RS- 232 [...]

1-5 Sele cting a M anage ment In terf ace Advant ages of Usi ng th e HP Web B rowse r Inte rface Sele cting a Ma nagement Interface Advantages of Using the HP W eb Browser Interface Figure 1-3. Example of the HP We b Browser Interface ■ Easy access to the sw itch from anywhere on the networ k ■ Familia r brows er inte rface --locatio ns of wind[...]

1-6 Selec tin g a Mana gement Interf ace Advant ages of Using HP TopTo ols f or H ubs & Swi tch es Sele cting a Ma nagem ent Int erf ac e Advantages of Using HP T opT ools for Hubs & Switches Y ou can operate HP T opT ools from a PC on the ne twork to monit or traff ic, manage your hubs and sw itches, a nd proac tively recom mend net work c[...]

1-7 Sele cting a M anage ment In terf ace Advan tag es of Us ing HP To pToo ls for H ubs & Switc hes Sele cting a Ma nagement Interface • Notifies you when HP hubs use “ self-healing ” features t o fix or limit comm on netwo rk prob lems. • Provide s a list of d iscover ed devic es, with d evice type, co nnecti vity status, the number o[...]

1-8 Selec tin g a Mana gement Interf ace Advant ages of Using HP TopTo ols f or H ubs & Swi tch es Sele cting a Ma nagem ent Int erf ac e[...]

2-1 Usin g the Me nu Int erfa ce 2 Using the Menu Interface Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Starting and Ending a Menu Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 How To Start a Menu Int erface Session . . . . . . . . . . [...]

2-2 Using the Me nu I nterf ace Overv iew Usin g the Me nu Int erfa ce Overview This chap ter describes the follow ing fea tures: ■ Overv iew of t he Menu I nterfac e (page 4-1) ■ Start ing and en ding a M enu sessi on (pag e 2-3) ■ The Mai n Men u (pag e 2-7) ■ Screen str uctu re an d naviga tion (p age 2-9) ■ Rebo oting the s witch (pag[...]

2-3 Usi ng th e Menu Inte rface Star ting an d Endi ng a M enu Se ssion Usin g the Me nu Int erfa ce someone witho ut a password can still gain read- only access.) For mo re informati on on passwo rds, see “ Configur ing User name an d Password Se cu- rity ” on page 9- 3. Menu I nte ract ion wi th O ther I nterfa ces . ■ The menu int erface d[...]

2-4 Using the Me nu I nterf ace Star tin g and End ing a Menu Se ssion Usin g the Me nu Int erfa ce How T o Start a Menu Interfa ce Session In its factory de fault confi guratio n, the switch cons ole starts with the C LI promp t. T o use the menu interf ace wit h Manage r privileg es, go to the Mana ger level pr ompt and e nter t he menu co mmand [...]

2-5 Usi ng th e Menu Inte rface Star ting an d Endi ng a M enu Se ssion Usin g the Me nu Int erfa ce Figure 2-1. The Main Menu w ith Ma nager Priv ileges For a descr ipt ion of Ma in Menu featur es, see “ Main Menu Featu res ” on page 2-7. Note T o conf igur e the sw itch t o star t with th e menu i nte rface inste ad of th e CLI, go to the Man[...]

2-6 Using the Me nu I nterf ace Star tin g and End ing a Menu Se ssion Usin g the Me nu Int erfa ce Figure 2-2. An Asteri sk Indica tes a C onfigura t ion Chang e Requi ring a Reboot 1. I n th e cur rent sessio n, i f you hav e not made c onfig urat ion ch an ges t hat requ ire a swi tch reboo t to activ ate , re turn t o th e Mai n Men u and pre s[...]

2-7 Usi ng th e Menu Inte rface Main Men u Feat ure s Usin g the Me nu Int erfa ce Main Menu Features Figure 2-3. The Ma in Menu V iew with Manager Pr ivile ges The Main Me nu gives you a ccess to these Menu inte rface feat ures: ■ Sta tus and Count ers : Provides access to display screens showing switch info rmation , port status and coun ters, [...]

2-8 Using the Me nu I nterf ace Mai n Menu Fe ature s Usin g the Me nu Int erfa ce ■ Command Li ne (CLI) : Sel ects t he Com mand L ine Inter face at the same level (M anag er or Ope rator) that y ou are acc essing in t he Menu in terface . (See chap ter 3 , "Usin g the Co mmand Line In ter face (C LI)" .) ■ Rebo ot Sw itch: Perf orms[...]

2-9 Usi ng th e Menu Inte rface Scre en Structu re and N avig atio n Usin g the Me nu Int erfa ce Screen Structure and Nav igation Menu i nterface screens includ e these th ree el ements: ■ Param ete r fie lds an d/or re ad- only i nfo rmat ion su ch as stat isti cs ■ Naviga tion and conf iguration actions, suc h as Save , Edit, and Ca ncel ■[...]

2-10 Using the Me nu I nterf ace Scre en Structu re and N avig atio n Usin g the Me nu Int erfa ce T a ble 2-1. How T o Navigate in t he M enu Inter face T a sk: Actio ns: Execu te an a ction from the “ Act ions – > ” list at the bo ttom of the scre en: Use ei ther of the fo llo win g meth ods: • Use th e arrow ke y s ( [<] ,or [>][...]

2-1 1 Usi ng th e Menu Inte rface Scre en Structu re and N avig atio n Usin g the Me nu Int erfa ce T o get H elp on in dividual parame ter de scriptio ns. In most screens there is a Help option in the Actions line. Wh enever any of the items in the Actions line is highlighted, pr ess [H] , and a sepa rate help scre en is displ ayed. For ex ample: [...]

2-12 Using the Me nu I nterf ace Rebo oting the Swi tch Usin g the Me nu Int erfa ce Rebooting the Switch Reboot ing the sw itch from t he menu in terface ■ T erminates all curr ent session s and perform s a rese t of the opera ting system ■ Activa tes an y menu in terface c onfigurat ion changes th at requ ire a re boot ■ Resets stat istical[...]

2-1 3 Usi ng th e Menu Inte rface Rebo otin g the Switc h Usin g the Me nu Int erfa ce Rebooting T o Activate C onfiguration C hanges. Configura tion chang es for most par ameters in t he menu in terface bec ome eff ective as soon as you save them . However , y ou must reb oot the swit ch in order t o implem ent a chan ge i n t he Max imum VLANs to[...]

2-14 Using the Me nu I nterf ace Menu Fe atu res Li st Usin g the Me nu Int erfa ce Menu Features List Sta tus an d Count ers • General Sy stem Informati on • Switch Manage ment Ad dress Inf ormation • Port Stat u s • Port Count ers • Address T a ble • Port Addr ess T able • Spanning T ree Info rmation Swi tch C onfig urat ion • Sys[...]

2-1 5 Usi ng th e Menu Inte rface Wher e To Go Fro m Here Usin g the Me nu Int erfa ce Where T o Go From Here This c hapt er prov ides a n over view of the m en u inte rface and how to use it. The foll owing ta ble indica tes where to turn f o r deta iled infor mation on how to use the individ ual fe atures a vailab le thr ough t h e m enu inte rfa[...]

2-16 Using the Me nu I nterf ace Wher e To Go From Here Usin g the Me nu Int erfa ce[...]

3-1 Using the Co mmand Line Interface ( CLI) 3 Using the Command Line Interface (CLI) Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Accessing the C LI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Using the[...]

3-2 Using th e Comma nd Line Int erface (CLI) Overv iew Using th e Command Li ne Interface (CLI) Overview The CL I is a text -based command interf ace for c o nfigu ring an d monit oring th e switch. The CLI give s you access t o the switch ’ s full set of commands whi le providing the same passw ord protectio n that is used in the web browse r i[...]

3-3 Usi ng the Co mmand Li ne Inte rf ace (CLI ) Usin g the CLI Using the Co mmand Line Interface ( CLI) Startup C onfig file in non-volatile memory . If you reboot the switc h withou t first usin g write mem ory , all chan ges mad e sinc e t he la st r eboot o r write memory (whichev er is later) will be lo st. For more on switch memo ry and savin[...]

3-4 Using th e Comma nd Line Int erface (CLI) Using the CL I Using th e Command Li ne Interface (CLI) Caut ion HP strongly recomme nds that you co nfigure a M anage r password. If a Man- ager passw ord is not co nfigure d, then th e Manager level is not pa ssword- protec ted, and any one hav ing in-ban d or ou t-of-ba nd acce ss to the switch may b[...]

3-5 Usi ng the Co mmand Li ne Inte rf ace (CLI ) Usin g the CLI Using the Co mmand Line Interface ( CLI) Manager Privileges Manag er privi lege s give you th ree addition al lev els of a ccess: Ma nager , Globa l Config uration, and C ontext Con figuration. (Se e figure .) A " # " character delimi ts any Mana ger promp t. For exam ple: HP[...]

3-6 Using th e Comma nd Line Int erface (CLI) Using the CL I Using th e Command Li ne Interface (CLI) Chan ging In terf aces. If you change from the CLI to the menu interface, or the reverse, yo u will remain at the same pr ivilege le vel. For example, e ntering the menu co mmand fro m the Oper ator level of the C L I takes you to th e Operator p r[...]

3-7 Usi ng the Co mmand Li ne Inte rf ace (CLI ) Usin g the CLI Using the Co mmand Line Interface ( CLI) How T o Move Between Lev els Movin g Be twee n the CLI and the Menu I nterfa ce. Wh en moving between int erfaces , the switch retain s the curren t privilege leve l (Manag er or Opera tor) . Tha t is, if y ou are at the Op erat or leve l in th [...]

3-8 Using th e Comma nd Line Int erface (CLI) Using the CL I Using th e Command Li ne Interface (CLI) for VLAN 1 and later use th e CLI to configur e a dif ferent IP address of " Y " for VLA N 1, then " Y " replaces " X " as the I P address for V LAN 1 in th e runni ng- con fig file. (If you subs eque ntly exec ute wr [...]

3-9 Usi ng the Co mmand Li ne Inte rf ace (CLI ) Usin g the CLI Using the Co mmand Line Interface ( CLI) T yping ? at the Ma nager level pro duces this li sting: Figure 3-4. Example of the Manager -Level Command Listing When - - MORE - - appear s, there ar e more comm ands in the listin g. T o list the next scree nfull of com mands, press the Space[...]

3-10 Using th e Comma nd Line Int erface (CLI) Using the CL I Using th e Command Li ne Interface (CLI) telnet terminal HP4108(config)# t As mentio ned above, if you type part of a command word and pr ess [T ab] , the CLI com pletes the current wo rd (if you have typed e nough o f the word for the CLI to distin guish it from oth er possibilitie s), [...]

3-11 Usi ng the Co mmand Li ne Inte rf ace (CLI ) Usin g the CLI Using the Co mmand Line Interface ( CLI) Thus, if you wan ted to cr eate a por t trunk group usin g por ts c3-c 6, the a bove conven tions sho w that you cou ld do so using a ny of the fo llowing for ms of the trunk comma nd: HP4108(config)# trunk trk1 trunk c3-c6 HP4108(config)# trun[...]

3-12 Using th e Comma nd Line Int erface (CLI) Using the CL I Using th e Command Li ne Interface (CLI) Figure 3-7. Example of Co ntext-Sen sitive Comman d-List Help Displaying Help for an I ndividual Co mmand. Y ou can display Help for any co mmand tha t is avai lab le at th e curr en t cont ext le vel b y ente ring enough of the command str ing to[...]

3-13 Usi ng the Co mmand Li ne Inte rf ace (CLI ) Usin g the CLI Using the Co mmand Line Interface ( CLI) Figure 3-9. Example o f Help for a Spec ific I nstance of a Command Note that tr ying to li st the help for a n indivi dual comm and from a privileg e leve l that do es no t incl ude th at comm an d result s in an erro r messag e. Fo r exampl e[...]

3-14 Using th e Comma nd Line Int erface (CLI) Using the CL I Using th e Command Li ne Interface (CLI) Figure 3-10. Context-Sp ecific Co mmands Affectin g Port Co ntext HP4108(eth-C5-C8)# ? HP4108(eth-C5-C8)# ? Lists the commands you can use in th e po rt or st ati c trunk contex t, plu s the Manag er , Oper ator , and cont ext comm ands you c an e[...]

3-15 Usi ng the Co mmand Li ne Inte rf ace (CLI ) Usin g the CLI Using the Co mmand Line Interface ( CLI) VLAN Con text . Includ es VLAN- speci fic comman ds that appl y only to the select ed VLAN, plu s Manage r and Op erator commands. The prompt f or this mode incl udes the VLA N ID of the se lected VLAN. For examp le, if you ha d alre ady c onfi[...]

3-16 Using th e Comma nd Line Int erface (CLI) CLI Cont rol an d Ed iting Using th e Command Li ne Interface (CLI) CLI Control and Editing Key str okes Function [Ctrl] [A] Jumps to the fi rst cha racte r of th e comman d line . [Ctrl] [B] or [<] Mo ves the cu rsor back one ch ara cter . [Ctrl] [C] T erminat es a ta sk and disp lay s th e comman [...]

4-1 Using the HP Web Browser Interface 4 Using the HP W eb Browser Interface Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 General Feat ures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Web Browser Inter f[...]

4-2 Using th e HP Web Brow ser Interf ace Overv iew Usin g the HP Web Browser Interface Overview The HP web br owser inte rface built into the switch l ets you easily ac cess the switch from a browse r -based PC on y our netwo rk. This lets you do the followin g: ■ Optimi ze your ne twork uptim e by usi ng the A lert Lo g and other dia gnostic to[...]

4-3 Using the HP Web Brow ser Int erfac e Gener al Fe ature s Using the HP Web Browser Interface General Features The Swi tch 410 8GL include these web brow ser inter face f e atur es: Switch Configu ration: • Ports • VLANs and P rimary VLAN • Fa ult de tec tion • Port mo nitoring (mirro ring) • System in formation • Enable/ Disable Mul[...]

4-4 Using th e HP Web Brow ser Interf ace Web Br owser Inter fac e Requ irem ents Usin g the HP Web Browser Interface W eb Browser Interface Requirement s Y ou can use equip ment me eting th e follow ing requir ement s to access the web browser interfa ce on yo ur intran et. T a ble 4-1. Sy ste m Requireme nts for Accessin g the HP We b Browser In [...]

4-5 Using the HP Web Brow ser Int erfac e Starti ng a n HP We b Browser In terface Se ssion with t he Switch Using the HP Web Browser Interface Starting an HP W eb Browser Interface Session with the Switch Y ou can start a web bro wser session in the following ways: ■ Using a standa lone web bro wser on a network co nnectio n from a PC o r UNIX w[...]

4-6 Using th e HP Web Brow ser Interf ace Star tin g an HP Web Browser Inter face S essio n with the Swi tch Usin g the HP Web Browser Interface 2. T ype the IP address (or DNS name ) of the swit ch in the br owser Location or Add res s field an d press [Enter] . (It is not necessary to include htt p:// .) switch4108 [En ter] (examp le of a DN S-ty[...]

4-7 Using the HP Web Brow ser Int erfac e Starti ng a n HP We b Browser In terface Se ssion with t he Switch Using the HP Web Browser Interface 3. T he w eb bro ws er int erfac e au toma tica lly s ta rts w ith t he St atu s Over vie w window displ ayed fo r the sel ected d evice, as shown in fig ure 4- 1. Note If the Registrat ion windo w appears,[...]

4-8 Using th e HP Web Brow ser Interf ace Tasks for Yo ur First HP Web Bro wser Interfa ce Sessio n Usin g the HP Web Browser Interface T asks for Y our Fi rst HP W eb Browser Interface Session The firs t time you acc ess the web bro wser inter face, ther e are three tasks that you shou ld perfor m: ■ Revie w the “ Fir st T ime Install ” wind[...]

4-9 Using the HP Web Brow ser Int erfac e Task s for You r First HP We b Browse r Int erfac e Sessi on Using the HP Web Browser Interface This wind ow is the la unching p oint for the basic conf igurat ion yo u need to perfor m to set web brow ser interf ace passw ords to main tain sec urity an d Fault Detection polic y , which determines the t ype[...]

4-10 Using th e HP Web Brow ser Interf ace Tasks for Yo ur First HP Web Bro wser Interfa ce Sessio n Usin g the HP Web Browser Interface Figure 4-3. The Device Passwords Window T o se t the passwords: 1. Ac cess the Devic e Password s screen by one of the follo wing meth ods: • If the Alert Log inc ludes a “ First T ime Install ” event entry [...]

4-1 1 Using the HP Web Brow ser Int erfac e Task s for You r First HP We b Browse r Int erfac e Sessi on Using the HP Web Browser Interface Note Passwords you assign in the web br owser int erface will overwr ite prev ious password s assigned in eithe r the web brow ser interf ace, the Co mmand Prompt, or t he switch con sole. T hat is, the m ost r[...]

4-12 Using th e HP Web Brow ser Interf ace Tasks for Yo ur First HP Web Bro wser Interfa ce Sessio n Usin g the HP Web Browser Interface If Y ou Lose a Pas sword If you lose the pa sswords, you ca n clear t hem by pressi ng the Clear button on the fr ont of the swi tch. This action deletes all password and user name protection f rom all of the swit[...]

4-1 3 Using the HP Web Brow ser Int erfac e Suppor t/Mgmt URLs Fea ture Using the HP Web Browser Interface Support/Mgmt URLs Feature The Su pport/Mgmt URLs win dow enabl es you t o change the W orld W ide W eb Universa l Resourc e Locator ( URL) f or two func tions: ■ Suppor t URL – a support infor mation site for yo ur switch ■ Management S [...]

4-14 Using th e HP Web Brow ser Interf ace Supp ort/Mg mt U RLs Fea ture Usin g the HP Web Browser Interface Support URL This is th e site tha t the switch ac cesses whe n you clic k on the Suppor t tab on the web br owser interfac e. The defaul t URL is: http: //w ww.hp.co m/g o/pr oc urve which is th e W orld W ide W eb site fo r Hewlett-Pac kard[...]

4-1 5 Using the HP Web Brow ser Int erfac e Suppor t/Mgmt URLs Fea ture Using the HP Web Browser Interface ■ If you have W orld Wide W eb a ccess from yo ur PC or wor kstation , an d do not ha ve HP T o pT ools installe d on you r net work, ent er the follow ing URL in the Ma nagement Server URL field sh own in fi gure 4- 7 on page 4-15: http: //[...]

4-16 Using th e HP Web Brow ser Interf ace Stat us Repo rtin g Feat ures Usin g the HP Web Browser Interface Status Reporting Features Brow ser el ement s co vered in th is sec tion incl ude: ■ The Overvi ew windo w (below) ■ Port utilization and status (pag e 4-17) ■ The Al ert lo g (page 4-20) ■ The Sta tus bar (pag e 4-23) The Overview W[...]

4-1 7 Using the HP Web Brow ser Int erfac e Stat us Repor ting Fe ature s Using the HP Web Browser Interface The Port Utilization and Status Displa ys The Port Utilization and Status displ ays show an ove rview of the status of the switch and the amount of network a ctivity on each port. Th e follow ing figure shows a sample reading of the Port Uti[...]

4-18 Using th e HP Web Brow ser Interf ace Stat us Repo rtin g Feat ures Usin g the HP Web Browser Interface ■ Maximum Ac tivity Indicat or: As the ba rs in t he gr aph ar ea c hange height to reflect the level of network ac tivity on the co rrespondi ng port, they l eave an o utline t o identify the maximum a ctivity level that has b een observe[...]

4-1 9 Using the HP Web Brow ser Int erfac e Stat us Repor ting Fe ature s Using the HP Web Browser Interface Port Sta tus Figure 4-12. T he Port Statu s Indicator s and Lege nd The Port St atus indicator s show a symb ol for each p ort that indic ates the general st atus of the port. There are fou r possible stat uses: ■ Port Co nnected – th e [...]

4-20 Using th e HP Web Brow ser Interf ace Stat us Repo rtin g Feat ures Usin g the HP Web Browser Interface The Alert Log The web br owser inte rface Alert Log, show n in the lowe r half of the scree n, shows a list of network occurrenc es, or alerts , th at were d etected by the switch . T y pical al erts are B roadca st St orm , indicati ng an e[...]

4-2 1 Using the HP Web Brow ser Int erfac e Stat us Repor ting Fe ature s Using the HP Web Browser Interface Alert T ypes The foll owing ta ble lists th e types o f alerts th at ca n be generat ed. T able 4-2. Alert Strings and Descript ions Alert Stri ng Alert Descrip tion First T ime Inst all Impor tant insta llation info rmation fo r your switch[...]

4-22 Using th e HP Web Brow ser Interf ace Stat us Repo rtin g Feat ures Usin g the HP Web Browser Interface Note When troubleshoo ting the sour ces of aler ts, it may be helpf ul to chec k the switch ’ s Port Status an d Port C ounter wind ows an d the Event Log in the consol e interf ace. V iewing Detail V iews of Alert Log Entries By double cl[...]

4-2 3 Using the HP Web Brow ser Int erfac e Stat us Repor ting Fe ature s Using the HP Web Browser Interface The Status Bar The Stat us Bar is displayed in the uppe r left corn er of th e web bro wser interfa ce screen. Figur e 4-15 sh ows an expa nded view of th e status b ar . Figure 4-15. Exa mple of the Stat us Bar The Status ba r consi sts of [...]

4-24 Using th e HP Web Brow ser Interf ace Stat us Repo rtin g Feat ures Usin g the HP Web Browser Interface ■ Product Name. The produc t name of th e switc h to which yo u are connec ted in th e curren t web br owser interfac e session. Setting Fault Det ection Policy One of the po werfu l feature s in the we b browser interfac e is the Fau lt D[...]

4-2 5 Using the HP Web Brow ser Int erfac e Stat us Repor ting Fe ature s Using the HP Web Browser Interface ■ High Se nsitivity . This policy directs th e switch to send all alerts to the Aler t Log. This settin g is most eff ective on n etworks that have none o r few problems. ■ Medium Sensitivi ty . This po licy dire cts the switch to send a[...]

4-26 Using th e HP Web Brow ser Interf ace Stat us Repo rtin g Feat ures Usin g the HP Web Browser Interface[...]

5-1 Sw itch Me mory an d Confi gurat ion 5 Switch Memory and Conf iguration Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Overview of Co nfiguration File Management . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Using the CLI To Implement Configuration [...]

5-2 Switc h Memor y and Con fig uratio n Overv iew Swi tch Me mory an d Confi gurat ion Overview This ch apter descr ibes: ■ How switch memory ma nages conf igurat ion chang es ■ How t he CL I imp lem ent s con figur atio n chan ges ■ How the menu inte rface an d web b rowser int erface implem ent conf igu- ratio n change s ■ How the switc [...]

5-3 Swit ch Me mory and C onfig urat ion Overvi ew o f Con figur ation Fil e Mana gemen t Sw itch Me mory an d Confi gurat ion ■ Running Co nfig File : Exists in volatile mem ory and contro ls switch operat ion. If no c onfigur ation cha nges hav e been m ade in the CLI since the switch w as last booted, the r unning -config file is ide ntical to[...]

5-4 Switc h Memor y and Con fig uratio n Using the CLI To Implem ent Conf igura tion Ch anges Swi tch Me mory an d Confi gurat ion "perman ent". When you are sat isfied th at the ch ange is satisfac tory , you can make i t pe rmanen t by execut i ng th e write memory comm and. For ex ample , suppose you use the follow ing com mand to disa[...]

5-5 Swit ch Me mory and C onfig urat ion Usi ng the CL I To Im pl ement Co nfi gura tion Ch ange s Sw itch Me mory an d Confi gurat ion How T o U se the CLI T o Reconfi gure Sw itch Feat ures. Use this proce- dure to perm anent ly ch ange the s witch config urat ion (t hat is , to ent er a c hang e in the st artup-config f ile). 1. Use the appropr [...]

5-6 Switc h Memor y and Con fig uratio n Using the CLI To Implem ent Conf igura tion Ch anges Swi tch Me mory an d Confi gurat ion ■ Manually enter the earl ier va lues you had for the c hange d setti ngs. (T his is r ecom men ded if you wan t to r est ore a smal l num ber of p arame ter settings t o their pre vious boot -up value s.) ■ Update [...]

5-7 Swit ch Me mory and C onfig urat ion Usi ng the Men u and W eb Brows er In terf aces To Im plemen t Conf igura tio n Chan ges Sw itch Me mory an d Confi gurat ion from either th e CLI o r the men u interf ace with out first executing th e write memory comman d in the CLI, the c urrent startup -config file w ill replac e the running-con fig file[...]

5-8 Switc h Memor y and Con fig uratio n Usin g the Men u an d Web Bro wser Inte rface s To Imp lemen t Con figur atio n Chang es Swi tch Me mory an d Confi gurat ion ■ Viewing several related conf iguration para meters in the same screen, with their d efault and curr ent setti ngs ■ Immedi atel y chan gin g both th e runnin g-con fi g file an [...]

5-9 Swit ch Me mory and C onfig urat ion Usi ng the Men u and W eb Brows er In terf aces To Im plemen t Conf igura tio n Chan ges Sw itch Me mory an d Confi gurat ion Figure 5-3. Exampl e of Pend ing Conf igurat ion Chan ges that Can Be Sa ved or Cancelle d Note If you reconfigur e a pa rameter in the CLI and then go to the menu inte rface with out[...]

5-10 Switc h Memor y and Con fig uratio n Usin g the Men u an d Web Bro wser Inte rface s To Imp lemen t Con figur atio n Chang es Swi tch Me mory an d Confi gurat ion Figure 5-4. The Reboot Switch Option in the Main Menu Rebooting T o Activate C onfiguration C hanges. Configura tion chang es for most p arameters be come ef fective a s soon as yo u[...]

5-11 Swit ch Me mory and C onfig urat ion Usi ng Primar y and Se cond ary Flas h Image Options Sw itch Me mory an d Confi gurat ion Figure 5-5. Indication of a C onfiguratio n Change Requirin g a Reb oot Using the W eb Browser Interf a ce T o Implement Configuration Change s Y ou can use the we b bro wser int erfac e to sim ultaneo usly save and im[...]

5-12 Switc h Memor y and Con fig uratio n Using P rima ry and Se conda ry Flash Image Option s Swi tch Me mory an d Confi gurat ion ■ Primary Flash: The defa ult storage f or OS (syste m image) files. ■ Seco ndary Flash: The addition al stor age for e ither a redunda nt or an alter nate OS ( system image) file. W ith the Pr imary /Second ary f [...]

5-13 Swit ch Me mory and C onfig urat ion Usi ng Primar y and Se cond ary Flas h Image Options Sw itch Me mory an d Confi gurat ion Figure 5-6. Exampl e Showi ng the Ident ity of the Cu rrent Flas h Image Determ ining Whet her th e Flash I mages A re Different V ersions . If the flash i mage size s in primar y and secon dary are th e same, the n in[...]

5-14 Switc h Memor y and Con fig uratio n Using P rima ry and Se conda ry Flash Image Option s Swi tch Me mory an d Confi gurat ion Figure 5-8. Determining the OS Version in Prim ary and Secon dary Flash OS Downloads The followin g table shows t he switch ’ s options f or downlo ading an OS to fla sh and bo oting the sw itch from flas h T able 5-[...]

5-15 Swit ch Me mory and C onfig urat ion Usi ng Primar y and Se cond ary Flas h Image Options Sw itch Me mory an d Confi gurat ion Loca l OS Repl acem ent an d Removal This sectio n descr ibes comm ands fo r erasin g an OS (flash ima ge) an d copying an ex isti ng OS betwe en pri mar y and second ar y fla sh. Note It is not necessar y to er ase th[...]

5-16 Switc h Memor y and Con fig uratio n Using P rima ry and Se conda ry Flash Image Option s Swi tch Me mory an d Confi gurat ion 1. V erify that ther e is a val id fla sh im age in the s econ dar y flas h locat ion . The follo win g fig ure i ndic ate s that an O S im age is p res ent i n sec ondar y fl ash. (If you are un sure whe ther the i ma[...]

5-17 Swit ch Me mory and C onfig urat ion Usi ng Primar y and Se cond ary Flas h Image Options Sw itch Me mory an d Confi gurat ion Figure 5-10. E xample of Eras e Flash Prompt 3. T ype y at the p rompt t o complete the flas h erase. 4. Use show flash to verify erasu re of the s elected OS fl ash image Figure 5-11. Example of Show Flash Listing Aft[...]

5-18 Switc h Memor y and Con fig uratio n Using P rima ry and Se conda ry Flash Image Option s Swi tch Me mory an d Confi gurat ion Booting from P rimary Flas h. This comman d alway s boots the switch fro m primar y flash , and ex ecut es the co mplete set of subsystem self-t ests. Synta x: boo t For exam ple, to boo t the switch from prim ary flas[...]

5-19 Swit ch Me mory and C onfig urat ion Usi ng Primar y and Se cond ary Flas h Image Options Sw itch Me mory an d Confi gurat ion Boot ing from t he Cu rrent OS V ersion. Relo ad reboots th e switch from the fl ash i mag e on w hich th e sw itc h is cu rrent ly run nin g, an d save s to the startu p-config file any c onfigur ation chang es c urre[...]

5-20 Switc h Memor y and Con fig uratio n Using P rima ry and Se conda ry Flash Image Option s Swi tch Me mory an d Confi gurat ion while usin g a ver sion "Y" of the O S, and the n reboot the swit ch with a n earlie r OS version "X" that doe s not includ e all of the f eatur es found in " Y", the OS simply igno res th[...]

6-1 Int erf ace A cce ss an d System In formation 6 Interface A ccess and System Information Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Interface Ac cess: Console/Serial Link, Web, and Inbound Telnet . . . . . . . 6-3 Menu: Modifying the Interface Access [...]

6-2 Inter face Acce ss and Sy stem Inf ormatio n Overv iew Interf ace Access and System Informatio n Overview Thi s chap ter desc ribes how t o view a nd modify the co nfigurat ion for switch inte rface acce ss an d swit ch sys tem inform atio n . For help on ho w to a ctu ally use the in te rface s bu il t into th e swi tch , ref er to : ■ Chap [...]

6-3 Interfa ce Access an d System Inf ormation Inte rf ace Ac cess: C onso le/ Seria l Link, We b, and Inbo und Te lnet Int erf ace A cce ss an d System In formation Interface Access: Console/Serial Link, W eb, and In bound T elnet Interf ace Access Features In most cases, th e defaul t confi guratio n is acce ptable for sta nda rd oper ation. Note[...]

6-4 Inter face Acce ss and Sy stem Inf ormatio n Inter face Acces s: Con s ole /Seria l Li nk, We b, a nd Inbo und Teln et Interf ace Access and System Informatio n Menu: Modifying the Interface Ac cess The menu int erfa ce enab les you to m odify th ese parame ters: ■ Inactivi ty T imeout ■ Inbound T elnet Ena bled ■ We b A g e n t E n a b l[...]

6-5 Interfa ce Access an d System Inf ormation Inte rf ace Ac cess: C onso le/ Seria l Link, We b, and Inbo und Te lnet Int erf ace A cce ss an d System In formation CLI: Modifying the Interface Access Interface Access Commands Used in This Section Listing t he Current Console/Seria l Link Configur ation. This c om- mand lists the current interfac [...]

6-6 Inter face Acce ss and Sy stem Inf ormatio n Inter face Acces s: Con s ole /Seria l Li nk, We b, a nd Inbo und Teln et Interf ace Access and System Informatio n Reco nfigure W eb Brow ser Ac cess. In t he d efaul t conf igur atio n, w eb brows er acce ss is enab led. Synta x: [no] web-m anag ement T o disable web browser a ccess: HP4108(config)[...]

6-7 Interfa ce Access an d System Inf ormation Inte rf ace Ac cess: C onso le/ Seria l Link, We b, and Inbo und Te lnet Int erf ace A cce ss an d System In formation Fig ure 6- 3. Exam ple of Exec uti ng th e Conso le C omm and wi th Mul tipl e Pa rame ters Y ou can also execut e a series of console c ommands a nd then save the configu ratio n and [...]

6-8 Inter face Acce ss and Sy stem Inf ormatio n System In formation Interf ace Access and System Informatio n System Information Sy stem Information Features Config uring system inform ation is opt ional, but recomme nded. System N ame: Usin g a unique name hel ps you to ide ntify indiv idual dev ices in stackin g environ ment s and wh ere you a r[...]

6-9 Interfa ce Access an d System Inf ormation Syst em Info rmat ion Int erf ace A cce ss an d System In formation T ime Zone: The numbe r of minutes your ti me zo ne l ocati on is to the W es t (+ ) or East (-) of Coord inated Unive rsal Time (formerly GMT ). The de fault 0 means no t ime zone is co nfigured. Daylight T ime Rule: Specifie s the d [...]

6-10 Inter face Acce ss and Sy stem Inf ormatio n System In formation Interf ace Access and System Informatio n 3. Ref er to the o nline help p rovided w ith this scre en for fur ther inform ation on config uratio n options fo r these f eatures. 4. When yo u have fini shed maki ng chan ges to the abov e parameter s, press [En ter] , t hen press [S][...]

6-11 Interfa ce Access an d System Inf ormation Syst em Info rmat ion Int erf ace A cce ss an d System In formation Configur e a System Name, Contact, and Locati o n for t he Switch . To help distin guish on e switc h from ano ther , c onfigur e a plain-l anguag e iden tity for the sw i tch. Synta x: hos tna me <name- string> snmp-ser ver [co[...]

6-12 Inter face Acce ss and Sy stem Inf ormatio n System In formation Interf ace Access and System Informatio n Reco nfigur e the Ag e Inter val for Learned MAC Ad dresses . This com- mand cor responds to the MAC Age Interv al in the me nu interfa ce, and is expresse d in seconds. Synta x: mac-ag e-time < 10 . . 1000000> (second s) For ex amp[...]

6-13 Interfa ce Access an d System Inf ormation Syst em Info rmat ion Int erf ace A cce ss an d System In formation W eb: Configuring System Parameters In the web bro wser in terface, you can enter the fo llowing sy stem informat ion: ■ System Name ■ System L ocation ■ Syst em Contact For acc ess to the MAC Ag e Interv al and th e T ime para [...]

6-14 Inter face Acce ss and Sy stem Inf ormatio n System In formation Interf ace Access and System Informatio n[...]

7-1 Configu ring IP Addre ssing 7 Configuri ng IP Addressing Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2 IP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3 Just Want a Quick Start? . . . . . . . . .[...]

7-2 Config uring IP Addre ssing Overv iew Configuring IP Addressing Overview This chapter describ es the switch c onfigurat ion features a vailable in the menu interfac e, CLI an d web brow ser interf ace. Fo r help on how to use these interfa ces, refer to: ■ Chap ter 2 , “ Using the Menu Interfa ce ” ■ Chap ter 3 , “ Using t he Comm and[...]

7-3 Con fig uring IP Ad dressi ng IP Confi gurat ion Configu ring IP Addre ssing IP Configuratio n IP Confi guration Fea tures IP Ad dres s an d Su bnet Mask . Confi guring th e switch with an IP address expands your ab ility to manage the switch and use its feature s. By default, the switch is config ured to automatica lly receive I P addressing o[...]

7-4 Config uring IP Addre ssing IP Conf igur ation Configuring IP Addressing Just W ant a Quick Start? If you just want to give the switch an I P address so that it ca n communi cate on you r networ k, or if you are not using VLANs, HP recomm ends t hat you use the Sw itch Se tup scr een to q uickly c onfigu re IP a ddressing. T o do so, do one of [...]

7-5 Con fig uring IP Ad dressi ng IP Confi gurat ion Configu ring IP Addre ssing ■ If you change the IP ad dress thro ugh eith er T elnet acce ss or the web browser interfac e, the conne ction to the switch will be lost. Y ou can reconn ect by ei ther resta rting T el net wi th the new IP address o r enter ing the new a ddress as the UR L in your[...]

7-6 Config uring IP Addre ssing IP Conf igur ation Configuring IP Addressing Figure 5-1. Example of the IP Service Config uration Scree n without Multip le VLANs Con figure d 2. Press [E] (for E dit ). 3. If the sw i tch n eeds to a ccess a ro uter , for exa mple, to reach o ff-subne t destinations, s ele ct the Default Gatew ay field and e nter th[...]

7-7 Con fig uring IP Ad dressi ng IP Confi gurat ion Configu ring IP Addre ssing CLI: Configuring IP Addr ess, Gateway , T ime-T o-Live (TTL), and T imep IP Comman ds Used in This Sect ion For a listing of the full C LI command set, includin g syntax an d optio ns, see the C LI co mmand refere nce avai lable o n th e HP Pro cu rve we bsite a t: htt[...]

7-8 Config uring IP Addre ssing IP Conf igur ation Configuring IP Addressing Figure 5-3. Example of Sh ow IP Li sting with Non-Defaul t IP Addre ssing Confi gured Conf igur e an IP Addres s an d Sub net Mask. The follow ing command includes both the IP addre ss and t he subne t mask . Y ou must eit her include the ID of th e VLAN for wh ich you ar [...]

7-9 Con fig uring IP Ad dressi ng IP Confi gurat ion Configu ring IP Addre ssing Configur e T ime-T o-Live (TTL). Use this comm and at t he Globa l conf ig prompt to se t the time that a packe t outboun d from the sw itch ca n exist on the netwo rk. The d efault settin g is 64 se conds. Synta x: ip t tl <number -of-sec onds> HP4108(config)# i[...]

7-10 Config uring IP Addre ssing IP Conf igur ation Configuring IP Addressing T a ble 7-1. Features Available With and Without IP Addressing on the Switc h DHCP/Bootp Op eration Overview . DHC P/Bootp is use d to provi de confi guration da ta from a DH CP or Bootp server to t he switch. T his data can be the IP address, su bnet m ask, defau lt gate[...]

7-11 Con fig uring IP Ad dressi ng IP Confi gurat ion Configu ring IP Addre ssing 1. DHC P/Bo otp requ ests ar e automa ticall y broa dcast on t he local ne twork. (The swit ch sends one ty pe of reques t to which either a DHC P or Bootp server can respond.) 2. When a DHCP or Bootp se rver receives t h e re quest, i t replie s with a previou sly co[...]

7-12 Config uring IP Addre ssing IP Conf igur ation Configuring IP Addressing Bootp O perat ion. When a Bootp server r eceives a r equest i t search es its Bootp da tabase for a record e ntry that matches the MAC addre ss in the Boot p request from th e switch . If a matc h is found, the conf iguration d ata in th e asso ciat ed d ataba se re cord [...]

7-13 Con fig uring IP Ad dressi ng IP Confi gurat ion Configu ring IP Addre ssing Note Th e above Bootp t able en try is a sa mple th at will wo rk for the Swit ch 4108 GL when the a ppropria te addresse s and file n ames are used. Networ k Preparations for Con figuring DHC P/Bootp In its default co nfigura tion, the switch is c onfigured for DHCP/[...]

7-14 Config uring IP Addre ssing IP Conf igur ation Configuring IP Addressing Globally A ssigned IP Networ k Addresses If you intend to conne ct your n etwork to other networks tha t use gl obally admin ister ed IP ad dres ses, He wle tt-Pack ar d stron gly rec ommen ds th at you use IP addr esses that hav e a networ k addr ess assigned to you. The[...]

8-1 Time Pr otoco ls 8 T ime Protocols Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 TimeP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8- 2 SNTP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . .[...]

8-2 Time Prot ocols Overv iew Time Pr otoc ols Overview This ch apter descr ibes: ■ SNTP T im e Protocol Ope ration ■ T i mep T ime Protoc ol Oper ation Using time synchron ization en sures a un iform tim e among interope rating device s. This helps you t o manage and trouble shoot switch operat ion by attachi ng mean ingful t ime data to eve n[...]

8-3 Time Pr otoc ols Overvi ew: Se lect ing a Time Sy nchr onizat ion P rotoc ol or Tur nin g Off Ti me Prot ocol Opera tion Time Pr otoco ls ular server , it ig nores time bro adcast s from other SNTP servers unless the conf igurabl e Poll Interval expi res thr ee consec utive t imes witho ut an upda te re ceived from th e first - detect ed server[...]

8-4 Time Prot ocols SNTP: View ing, Selec tin g, and Conf iguri ng Time Pr otoc ols Note that simp ly selecting a time sync hronization pr otocol do es not enable that p rotocol on the sw itch unl ess you also en able th e protoc ol itself (step 2 , above) . For ex ample, in the fact ory- default c onfigur ation, TimeP is the selected time synchro [...]

8-5 Time Pr otoc ols SNTP : Vie win g, Sele ctin g, and Conf iguri ng Time Pr otoco ls T able 8-1.SNTP Parameters Menu: V iewing and Configuri ng SNTP T o V iew , Enable, and Modify SNT P T ime Protocol: 1. From the Main Menu, s elect: 2. Switc h Configu ration ... 1. Sy s tem Information SNT P Para met er Opera tio n Ti m e S y n c Meth od Use d t[...]

8-6 Time Prot ocols SNTP: View ing, Selec tin g, and Conf iguri ng Time Pr otoc ols Figure 8-4. T he Sy stem Infor mation S creen (Defa ult Va lues) 2. Press [E] (for E di t ). The cursor moves to the Sy st em N am e fie ld. 3. Use [v] to mov e th e cu rsor to th e T ime Sync Met hod field. 4. Use the Space bar to select SN TP , then press [v] once[...]

8-7 Time Pr otoc ols SNTP : Vie win g, Sele ctin g, and Conf iguri ng Time Pr otoco ls ii. Enter the I P address of the SNTP server you want th e switch to use for time sy nchronization . Note: Th is step repl aces any p revio usly conf igure d serv er IP address. If y ou will be using backup SNTP servers ( requires u se of the CLI), then see “ S[...]

8-8 Time Prot ocols SNTP: View ing, Selec tin g, and Conf iguri ng Time Pr otoc ols CLI: Vi ewing and Configuring SNTP CLI Comm ands Descr ibed in this S ection This sectio n describ es how to use the CLI to v iew , enable, and con figure SNTP parame ters. V iewin g the Curre nt SNTP Conf iguration This comman d lists both t he time synchr onizatio[...]

8-9 Time Pr otoc ols SNTP : Vie win g, Sele ctin g, and Conf iguri ng Time Pr otoco ls Figure 8-6. Example of SNTP Con figura tion Wh en SNTP Is Not the Selec ted T ime Synch roni zati on M etho d Configur ing (Enabl ing or Disabling ) the SNTP Mode Enab ling the SNTP mode mean s to conf igure it for eithe r broa dcast o r unicast mode. Re member t[...]

8-10 Time Prot ocols SNTP: View ing, Selec tin g, and Conf iguri ng Time Pr otoc ols 3. Enable SNTP for Broad c ast mode. 4. View the SNTP configuration again to verify the configuration. The comma nds and out put would appear as follows: Figure 8-7. Example of Ena b ling SN TP Operat ion in Broa dcast Mode Enabling SNTP in Unicast Mode. Like br oa[...]

8-11 Time Pr otoc ols SNTP : Vie win g, Sele ctin g, and Conf iguri ng Time Pr otoco ls For ex ample , to select SNTP and co nfigur e it w ith uni cast mode a nd an SNT P server at 10.28 .227. 141 wit h the de fault serv er versio n (3) a nd defau lt poll interva l (720 seconds) : HP4108(config)# timesync sntp Selects SNTP. HP4108(config)# sntp uni[...]

8-12 Time Prot ocols SNTP: View ing, Selec tin g, and Conf iguri ng Time Pr otoc ols Changi ng the SNTP Poll Interv al. This comman d lets you specif y how long the switch w aits betwee n time pol ling interv als. The default is 7 20 seco nds and the ra nge is 30 to 720 seco nds. (T his para mete r is se para te fro m the poll in terva l parame ter[...]

8-13 Time Pr otoc ols Time P: Vie wing, Sele ctin g, and Co nfi guring Time Pr otoco ls Figure 8-11. Example of Disa bling T ime Synchro nization by Disabling t he SNT P Mode T im eP: V i ewing, Selecting, and Configuring Even tho ugh the T im e Sync M ode is set to Snt p , time s ynchroni zation is dis abled beca use no sntp has dis abled the SNTP[...]

8-14 Time Prot ocols TimeP: Viewi ng, Sel ecti ng, and C onfi gurin g Time Pr otoc ols T able 8-2.T imep Parameters Menu: V iewing and Configuri ng T imeP T o Vi ew , Enabl e, and Mo dif y the T imeP P rot ocol : 1. From the Main Menu, s elect: 2. Switc h Configu ration ... 1. Sy s tem Information SNT P Para met er Opera tio n Ti m e S y n c Meth o[...]

8-15 Time Pr otoc ols Time P: Vie wing, Sele ctin g, and Co nfi guring Time Pr otoco ls Figure 8-12. The Sy stem Information S creen (Default Values) 2. Press [E] (for E di t ). The cursor moves to the Sy st em N am e fie ld. 3. Use [v] to mov e th e cu rsor to th e T ime Sync Met hod field. 4. If TIMEP is not already sel ected, use the Space bar t[...]

8-16 Time Prot ocols TimeP: Viewi ng, Sel ecti ng, and C onfi gurin g Time Pr otoc ols Note: This step re places a ny previousl y config ured T imeP serv er IP addr ess. iii. Press [> ] to move the cursor to the Poll Interv al field, then go to step 6. 6. In the Poll Interval field, enter the time in minutes that you want for a T imeP Poll Inter[...]

8-17 Time Pr otoc ols Time P: Vie wing, Sele ctin g, and Co nfi guring Time Pr otoco ls For examp le, if you c onfigur e the sw itch with TimeP as the tim e synchro niza- tion method , then enable T i meP in DHCP mo de with the default po ll interval, show tim ep lists the follow ing: Figure 8-13. Example of T imeP Con figura tion When T ime P Is t[...]

8-18 Time Prot ocols TimeP: Viewi ng, Sel ecti ng, and C onfi gurin g Time Pr otoc ols For ex ample , suppo se: ■ T ime synchronizatio n is configured for SN TP . ■ Y ou want to: 1.V iew the current time synchron ization . 2.Select T imeP as the time synchroni zation mo de. 3. Enab le T ime P fo r D HCP mod e. 4.View the T imeP configuration. T[...]

8-19 Time Pr otoc ols Time P: Vie wing, Sele ctin g, and Co nfi guring Time Pr otoco ls For ex ample , to se lect T ime P and co nfigu re it fo r ma nual operati on u sing a T ime P server addr ess of 10.28.2 27.141 an d the defa ult poll inter val (720 minute s, assuming th e T imeP poll i nterval is alre ady set to the defau lt): HP4108(config)# [...]

8-20 Time Prot ocols SNTP Unic ast Time Pol ling w ith Mul tiple SNTP Servers Time Pr otoc ols If you then v iewed t he Time P configur ation, yo u would see the follo wing: Figure 8-17. Example of T imeP with T ime S ychroniz ation Di sabled Disa bling t he T imeP Mode . Disablin g th e T imeP mode mean s to conf igure it as disable d. (Disabling [...]

8-21 Time Pr otoc ols SNTP Unic ast Time Polli ng with M ultiple SNTP Serv ers Time Pr otoco ls all servers in the list w ithout success, it sends an error message to the Ev ent Log and re sched ules to try th e address list again af ter th e config ured Poll Interval time has exp ired. Address Prioritiz ation If you use the CLI to c onfigure mu lt[...]

8-22 Time Prot ocols SNTP Unic ast Time Pol ling w ith Mul tiple SNTP Servers Time Pr otoc ols Figure 8-19. Example of SNT P Ser ver Address P rioritization Note If ther e are al ready three S NTP server a ddresses confi gured on the switch , and you w ant to use the CLI to repla ce one of t he existing a ddresses w ith a new on e, yo u must d elet[...]

8-23 Time Pr otoc ols SNTP Messa ges in the Eve nt Log Time Pr otoco ls Menu Interface Operation with Multi ple SNTP Server Addresses Configu red When you u se the Menu inte rface to config ure a n SNTP server IP address, th e new addr ess writ es over the c urrent pr imary add ress, if on e is c onfigure d. If there are multiple a ddresses configu[...]

8-24 Time Prot ocols SNTP Messa ges in the Eve nt Log Time Pr otoc ols[...]

9-1 Using Passwords and TACA CS+ 9 Using Passwords and T ACACS+ T o Protect Against Unauthorized Access Contents Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2 Configur ing Username a nd Password Sec urity . . . . . . . . . . . . . . . . . . 9-3 Menu: Configuring Passwords . .[...]

9-2 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access Overv iew Using P asswords a nd TACACS + Overview This chapter describes: . ■ Manage r and O perato r password s Control acce ss and privi lege s for th e comm and line a nd men u inter- faces (th rough either the console por t or T elnet) and t he web b rowser interf a[...]

9-3 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access Con figuri ng User name an d Passw ord Se curity Using Passwords and TACA CS+ • If in corre ct pass wor ds are e nte red, th e T AC ACS+ serve r den ies access to the swi tch. • If T ACACS+ is not configure d or the T ACACS+ serv er is not ac cessi- ble, the sw itch [...]

9-4 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access Con figuri ng User name an d Passw ord Se curity Using P asswords a nd TACACS + Note Usernames are opt ional. Also, in the menu int erfac e and CL I, you ca n config- ure passw ords, but not usernames. T o configu re userna mes, use the web browser int erface. T o configu[...]

9-5 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access Con figuri ng User name an d Passw ord Se curity Using Passwords and TACA CS+ If the switch ha s a password f or both the Ma nager and Operat or levels, and neit her is e nter ed co rrect ly d uring a logo n att empt, acce ss to the c ons ole wi ll be denied. If the swit[...]

9-6 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access Con figuri ng User name an d Passw ord Se curity Using P asswords a nd TACACS + c. Whe n prompte d with Enter new password ag ain , retyp e the new pass- word and press [Enter ] . After yo u config ure a p assword, if you subsequently st art a new c onsole session, you wi[...]

9-7 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access Con figuri ng User name an d Passw ord Se curity Using Passwords and TACA CS+ no pass word T o Delet e Password P rotec tion. This c omman d prompts y ou to veri fy that you wa nt to c lear th e passwor ds, then c lears them fro m both the Ma nager and Operator lev els. [...]

9-8 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + T ACACS+ Authentic ation for Central Control of Switch Access Security T ACA CS+ F eatu res T ACA CS+ au then tica tion en ables you t o us e a centra l se rver t o [...]

9-9 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ T ACACS+ in the Swit ch 4108GL m anages authen ticatio n of logon a ttempts throug h either the Co nsole po rt or T elnet. T ACACS + uses an authe ntication hiera[...]

9-10 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + ■ Auth entic atio n: The p rocess f o r gran ting user acce ss to a de vice throug h entry o f a user na me and pa ssword and com parison of this username/p asswo[...]

9-11 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ Notes The ef fectivene ss of TACAC S+ securit y depends on c orrect ly using yo ur TACAC S+ se rver appli catio n. Fo r this reas on, HP recomm en ds that you th[...]

9-12 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + 2. Det ermine the following: 3. Plan and enter the T ACACS+ server configuratio n needed to support T ACACS+ operation for T elnet access (login and enable) to the [...]

9-13 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ 4. Ensure that the switch has the correct local username and password for Manager access. (If the switch cannot find any designated T ACACS+ servers, the local m[...]

9-14 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + Confi guring T ACACS + on the Switch Before Y ou Begi n If you are new t o T ACAC S+ authen ticati on, HP r ecommend s that yo u read the “ General Authentic atio[...]

9-15 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ This example shows the de fault authe ntication configura tion. Figure 9-5. E xample Listing of the Switch ’ s Authenticatio n Configuratio n V iewing the Swit[...]

9-16 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + Configu ring the Swi tch ’ s Au thentication Methods The aaa au thenticati on command c onfigures t he acc ess control fo r console port and T elnet access to the[...]

9-17 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ T able 9-3. Primary/Second ary Authent ication T able Caut ion Rega rding th e Use of Loca l for Lo gin Prim ary Acce ss During loc al au thenti cation ( which u[...]

9-18 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + For examp le, here is a se t of acce ss options and the corr espondi ng com mands to conf igure th em: Cons ole Logi n (Oper ator , or Read -O nly) Acce ss: Pr ima [...]

9-19 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ Configurin g the Switch ’ s T ACACS+ Server Access The tacacs- serve r comman d conf igure s these para meters : ■ The host IP ad dres s( es) for up to thre [...]

9-20 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + Synta x: tacacs-se rver host < ip-addr > Adds a TACACS + server and option ally [key <k ey-str ing>] assign s a server-s pecific enc rypt ion ke y. [no][...]

9-21 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ Name Def ault Rang e host < ip-addr > [key < key- stri ng > none n /a Spec ifies the I P ad dress of a de vice r unn ing a T A CA CS+ s erver appl ic[...]

9-22 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + Adding, Removing, o r Changing t he Prior ity of a T ACACS+ Server . Suppo se that th e switch was alr eady co nfigur ed to use T ACACS + servers a t 10.2 8.227 .10[...]

9-23 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ T o remove the 10.28 .227.15 device as a T A CACS+ se rver , you wou ld u se this comm and: HP4108(config)# no tacacs-server host 10.28.227.15 Configuring a n En[...]

9-24 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + Configur ing the T imeout Period . The timeout perio d specifi es how long the swi tch wa its for a response to an auth entica tion r equest from a T ACA CS+ server[...]

9-25 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ then it uses it s own loca l username /password pairs to authenti- cate the l ogon r equest. (S ee "Local A uthenticat i on Pro cess", on page 25.) •[...]

9-26 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + For lo cal au then ti cati on, the switc h uses t he ope rator -leve l and ma nage r -le vel username/p asswor d set(s) prev iously conf igured loc ally on the sw i[...]

9-27 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ Note Configure a key in the switc h only if the T ACACS + server app lication ha s this exact same key c onfigured for the switch. That is, if the key paramet er[...]

9-28 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS + Controlling W eb Brow ser Interface Access When U sing T ACACS+ Authentica tion In r ele ase G. 01. xx , config uring the swi tch for T A CACS+ auth entica tion doe[...]

9-29 Using P asswor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authe nti cati on for Cent ral Cont rol of S wi tch A ccess Sec uri ty Using Passwords and TACA CS+ Operating N otes ■ If you config ure Author ized IP Manager s on the switch, it is not necessary to include an y dev ices used as T ACA CS+ server s in the aut[...]

9-30 Using Passwor ds an d TACACS + To Prot ect Agains t Una uthor ized Access TACA CS+ Authen ticat ion for Centr al Contr ol of Swit ch Acces s Security Using P asswords a nd TACACS +[...]

10-1 Using Authorize IP Manag ers 10 Using Authorized IP Managers for Increased Management Security Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2 Using Authorized IP Manag ers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4 Access Lev[...]

10-2 Using Au thorized IP Mana gers for Increased Mana gement Secu rity Overv iew Using Auth orized IP Manag ers Overview The Auth oriz ed IP Man age rs fe ature enh ances secu rit y on th e sw itc h by u sin g IP addresses and masks to dete rmine which stations (PCs or workstations) can ac cess the s witch th rough the net work. This c over s acc [...]

10-3 Usin g Autho riz ed IP Man ager s for I ncrease d Mana gemen t Sec urit y Overvi ew Using Auth orized IP Manag ers 2. I f T ACACS+ is co nfigured a nd a T ACA CS+ server issue s a promp t, the correc t passwords mu st be ent ered from the manage ment stat ion and verifie d by the T A CACS+ server . • If in corre ct pass wor ds are e nte red,[...]

10-4 Using Au thorized IP Mana gers for Increased Mana gement Secu rity Usin g Autho riz ed IP M anage rs Using Auth orized IP Manag ers Using Authorized IP Managers Authori zed I P Manage r Features This fe ature en ables you t o enha nce se curity on the switch by usin g IP addresse s to authorize w hich stations (PCs or worksta tions) can a cces[...]

10-5 Usin g Autho riz ed IP Man ager s for I ncrease d Mana gemen t Sec urit y Usin g Autho rize d IP Ma nage rs Using Auth orized IP Manag ers Access Levels For ea ch aut horiz ed manage r ad dress, y ou can c onfigure either o f th ese acce ss levels: ■ Mana ger: Enables fu ll access to all web browse r and conso le interface scree ns for view [...]

10-6 Using Au thorized IP Mana gers for Increased Mana gement Secu rity Usin g Autho riz ed IP M anage rs Using Auth orized IP Manag ers auth oriz ed IP addres ses . For ex am ple, a ma sk o f 255.255.255.0 and any v alue for the Authorize d Manag er IP para meter all ows a ra nge of 0 throug h 255 in the 4t h octe t of the authori zed IP addre ss,[...]

10-7 Usin g Autho riz ed IP Man ager s for I ncrease d Mana gemen t Sec urit y Usin g Autho rize d IP Ma nage rs Using Auth orized IP Manag ers Menu: V i ewing and Configur ing IP Authorized Managers From the c onsole M ain Menu, selec t: 2. Switch Con figuratio n . . . 7. IP Authorized Manag ers Figure 10-1. Examp le of How T o Add an Authorized M[...]

10-8 Using Au thorized IP Mana gers for Increased Mana gement Secu rity Usin g Autho riz ed IP M anage rs Using Auth orized IP Manag ers Editing o r Deleting a n Authorized M anager Entry . Go to the IP Man ag- ers List scr een (figure 10-1), highl ight the desired en try , and press [E] (f or Edit ) or [D] (for Delete ). CLI: V iewin g and Configu[...]

10-9 Usin g Autho riz ed IP Man ager s for I ncrease d Mana gemen t Sec urit y Usin g Autho rize d IP Ma nage rs Using Auth orized IP Manag ers Configurin g IP Authorized Managers for the Switch Synta x: ip a uth oriz ed- mana ger s <ip address> [mask <mask- bits> ] <ope rator | manager > T o Autho rize M anager Access. This comma[...]

10-1 0 Using Au thorized IP Mana gers for Increased Mana gement Secu rity Usin g Autho riz ed IP M anage rs Using Auth orized IP Manag ers The fol lowin g comma nd repl aces the existi ng ma sk and access l evel for IP addre ss 1 0.28. 22 7.101 wit h 255.0.0.0 an d manager (the de faults) because the com ma nd does n ot sp ecify e ithe r of the se [...]

10-1 1 Usin g Autho riz ed IP Man ager s for I ncrease d Mana gemen t Sec urit y Usin g Autho rize d IP Ma nage rs Using Auth orized IP Manag ers T a ble 10-2. Analy sis of IP Mask for Single-Station Entries Configurin g Multiple Stations Per Authorized Manager IP Entry The m ask dete rmines w hether the IP add ress of a station on t he ne twork me[...]

10-1 2 Using Au thorized IP Mana gers for Increased Mana gement Secu rity Usin g Autho riz ed IP M anage rs Using Auth orized IP Manag ers T a ble 10-3. Analy sis of IP Mask for Multiple-Station Entries Figure 10-4. Examp le of How the Bi tmap i n the IP Mask Define s Authori zed Mana ger Addresses 1st Octet 2nd Octet 3rd Octet 4th Octet Mana ger-L[...]

10-1 3 Usin g Autho riz ed IP Man ager s for I ncrease d Mana gemen t Sec urit y Usin g Autho rize d IP Ma nage rs Using Auth orized IP Manag ers Addi tional Examples f or Auth orizing Multipl e Station s Operating an d T r oublesh ooting Notes ■ Networ k Securi ty Prec autions: Y ou can enhanc e your ne twork ’ s secu- rity by keeping phy sica[...]

10-1 4 Using Au thorized IP Mana gers for Increased Mana gement Secu rity Usin g Autho riz ed IP M anage rs Using Auth orized IP Manag ers[...]

11-1 Ports: Tra ffic Control an d Tru nki ng 11 Optimizing Port Usage Through T raffic Contr ol and Por t T runking Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2 Viewing Port Status and Configuring Port Parameters . . . . . . . . . . . . . . . 11-2 Menu: View[...]

11-2 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Overv iew Por ts: Traf fic Cont rol and Tr unking Overview This ch apter includes: ■ Config uring p orts, in cludin g mode ( speed and du plex), fl ow co ntrol , and broad cast co ntrol p aramet ers (pag e 11- 2) ■ Creat ing an d modifyin g a dyna mic LA CP or static por[...]

11-3 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Viewin g Por t Statu s and Conf iguring Port Parame ters Ports: Tra ffic Control and T runking T able 11-1. Stat us and P arameter s for Each Port T ype Status or Par amet er Descriptio n Enab led Ye s (defa ult) : The po rt is read y for a ne twor k conn ection . No: The po [...]

11-4 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng View ing Port St atus and Con figur ing Port Pa ramet ers Por ts: Traf fic Cont rol and Tr unking 100/1000Ba se-T port s: • Auto ( defaul t): S enses sp eed an d nego tiate s with the por t at the other e nd of the link for port operat ion (MDI-X o r MDI). T o see what the[...]

11-5 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Viewin g Por t Statu s and Conf iguring Port Parame ters Ports: Tra ffic Control and T runking Menu: V iewing Port Status and Configur ing Port Parameters From th e menu interfac e, you c an conf igure an d vi ew all por t param eter settings an d view a ll port status indica[...]

11-6 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng View ing Port St atus and Con figur ing Port Pa ramet ers Por ts: Traf fic Cont rol and Tr unking Figure 11-2. Example of Por t/T runk Sett ings with a T runk Group Co nfigur ed 2. Press [E ] (for E dit). The cursor moves to the Enable d field f or the fi rst port. 3. Ref er[...]

11-7 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Viewin g Por t Statu s and Conf iguring Port Parame ters Ports: Tra ffic Control and T runking Synta x: show int erfaces br ief show inte rf ace c onfi g The ne xt two fi gure s list exam ples of the out put of the abo ve tw o comman ds for the sam e port configu ration. Figu[...]

11-8 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng View ing Port St atus and Con figur ing Port Pa ramet ers Por ts: Traf fic Cont rol and Tr unking Using the CLI T o Configure Ports. Y ou can co nfig ure one or mo re o f t he followin g port param eters. For deta ils on each opt ion, see T able 11-1 on page 11-3 . Synta x: [...]

11-9 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Viewin g Por t Statu s and Conf iguring Port Parame ters Ports: Tra ffic Control and T runking Configur ing a Bro adcast Limit on the Swit ch. Execu tin g this command config ures the b roadc ast limit for all por ts on th e switch . Synta x: bro adc ast -limi t <0 . . 9 9[...]

11-1 0 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking Port T ru nking Port Status and Co nfig urat ionFe atur e s Port trunkin g allows you to assign up to four p hysical lin ks to one lo gical link (trunk) that functi ons as a single , higher -s peed link pr ovidin g dra[...]

11-1 1 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking Port Co nnections and Configurat ion: All port trun k links must be poin t- to-point connecti ons betwe en the Swit ch 4108GL a nd anothe r switch , router , server , or w orkstatio n conf igured for p ort trun king. No i[...]

11-1 2 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking link is restore d, that link is automa tically include d in the traf fic distribution again. The LACP option also of fers a standby link cap ability , which enables you to ke ep links in reserve fo r service if one or [...]

11-1 3 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking T able 11-4. T runk Configur ation Protocol s Prot ocol T r unking Opt ions LACP (802.3a d) Provi des dynami c and sta tic LACP t runki ng optio ns. • Dynami c LACP — Use th e switch- negot iated dynami c LACP t runk [...]

11-1 4 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking T able 11-5. Gener al Opera ting Rules f or Por t T runks Media: All por ts on bo th ends of a trunk grou p must ha ve the same medi a type an d mode (spe ed and duplex). The switch blocks an y tru nked lin ks that d o[...]

11-1 5 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking Span ning T re e Pr otoco l ( STP): ST P op erate s as a gl obal set ting on t he swit ch ( one instan ce o f ST P per swit ch). Howev er , you c an a djust STP parame ter s on a pe r - port basi s. A s tat ic tr unk of a[...]

11-1 6 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking Menu: V i ewing and Configur ing a Static T runk Group Importa nt Config ure por t trunking before you c onnect the tru nked links to another switch, routing switch, or ser ver . Otherwise, a b roadca st storm could o [...]

11-1 7 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking • All ports in a trunk must ha ve the same media type and m ode (such as 10/ 100T X se t to 100F Dx , or 100 FX set to 100 FDx). The f low con trol settings must also be the sam e for all por ts in a given tr unk. T o v[...]

11-1 8 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking During the Sa ve process, traff ic on the ports conf igured for trunking will be dela yed f or seve ral sec onds. I f the Sp anning T ree Protoc ol is enab led, the delay may be up to 3 0 seconds. 8. Co nnec t the trun[...]

11-1 9 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking This example uses a port list to specify only the switch ports an administrator wants to view: Figure 11-8. Examp le of a Show T r unk Listing f or Spec ific Ports The show trunk command in t his example doe s not inclu d[...]

11-2 0 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking In the foll owing ex ample , ports C 1 and C2 hav e been prev iously c onfigur ed for a static LA CP trun k. (For more on “ Acti ve ” , see tab le 11-7 o n pag e 1 1-2 7. ) Figure 11-10. Exa mple of a Sho w LACP Li[...]

11-2 1 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking Using the CLI T o Configu re a Static or Dynamic T r unk Group Importa nt Config ure por t trunking before you c onnect the trunke d links be tween switches. O therwis e, a broadc ast storm could occur . (If yo u need to [...]

11-2 2 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking HP4108(config)# no trunk c4-c5[...]

11-2 3 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking Enabling a Dynamic LACP T r unk Group . In the def ault port config ura- tion, all po rts on t he switch are set to LACP passive. However , to enabl e the switch to aut omaticall y form a tru nk group t hat is dynami c on[...]

11-2 4 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking Removing Po rts from a Dynamic LACP T r unk Group. T o re move a po rt from dy namic L ACP trun k opera tion, you must tur n off LAC P on t he port . (On a por t in an o pera ting, dyn amic LACP t runk, y ou ca nnot ch[...]

11-2 5 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking T runk Group Operation Using LACP The sw itch can a utom atical ly co nfigure a dyna mic LACP trunk group or you can man ually co nfigu re a sta tic LAC P trunk group . The meth ods for displaying Note LACP requir es full[...]

11-2 6 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking T able 11-6. LACP T r unk T ypes LACP P ort T run k Config uration Oper atio n Dyna mic LACP This opt ion auto mati call y esta blis hes an 802.3ad-comp liant tr unk group, wi th LACP fo r the po rt T ype para meter an[...]

11-2 7 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking Default Port Operation In the def ault con figurati on, all ports are config ured for p assive LACP . How- ever , if LA CP is not c onfigured , the por t will not try to det ect a tru nk config - uration and will ope rate[...]

11-2 8 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking LACP Notes and Restrict ions Changin g T runking Method s. T o c onvert a t runk from static to dynam ic, you mu st firs t eli minat e th e stat ic tr unk. Static LACP T runks. Wher e a por t is configu red fo r LACP ([...]

11-2 9 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking regar d for how t hat traf fic is han dled by th e device at the ot her end of t he trunke d links. Sim ilarly , the switc h handle s inco ming tr affic from th e trunk ed links as if it were fr om a trunke d source. Use [...]

11-3 0 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking Outbound T raffic Distribut ion Across T runk ed Links All three tr unk group op tions (LACP , T runk, and FEC ) use source-de stina tion address pa irs (SA/ DA) for distri buting out bound traffic over trunke d links.[...]

11-3 1 Opt imizing Port Usage Through Tra ffic C ontrol a nd Port Trunkin g Port Tr unking Ports: Tra ffic Control and T runking Figure 11-13. Example of Port -T r unked Network T able 11-8. Example of Link Assign ments in a T runk Grou p (SA/DA Distribution) Sourc e: Destinati on: Link: Node A Nod e W 1 Node B Nod e X 2 Node C Node Y 3 Node D Nod [...]

11-3 2 Optimiz ing Po rt Usage Throu gh Traf fic Control and Port T runki ng Port Trunk ing Por ts: Traf fic Cont rol and Tr unking[...]

12-1 Monitor i ng and Managing the Switch 12 Config uring for Network Management Applications Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-2 SNMP Management Feat ures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-2 Configuring for SNMP A[...]

12-2 Config uring fo r Network Manageme nt Appl ications Overv iew Moni torin g a nd M ana ging the S witch Overview Y ou can manage th e switch via SNMP fro m a networ k manage ment st ation. For this purp ose, HP recomm ends HP T opT ools for Hubs & Switches — an easy-to-in stall and use network m anageme nt applic ation that runs on your W[...]

12-3 Confi guri ng for N etwo rk Mana gement App licati ons Overvi ew Monitor i ng and Managing the Switch ■ Suppor ted Stand ard MIBs incl ude: • Brid ge MI B (RFC 14 93) dot1dBase, dot 1dTp, dot1dStp • Ethern et MAU MI B (RFC 15 15) dot3I fMauBa sicGrou p • Interf aces Evolu tion MIB (RFC 1573) ifGener alGroup, if RcvAdd ressGro up, ifSta[...]

12-4 Config uring fo r Network Manageme nt Appl ications Overv iew Moni torin g a nd M ana ging the S witch Configur ing for SNMP Access to the Switch SNMP acce ss require s an IP addr ess and sub net mask con figured on the switch. (See “ IP Config uration ” on page 7-3.) I f yo u are using DHC P/Bo otp to config ure the swit ch, ensure that t[...]

12-5 Confi guri ng for N etwo rk Mana gement App licati ons Overvi ew Monitor i ng and Managing the Switch SNMP Communities SNMP Com muni ty Feat ure s Use SNMP commun ities to restrict access to the switch b y SNMP management station s by adding , editing, or de leting SNMP comm unities . Y o u can config ure up to five S NMP co mmuni ties, each w[...]

12-6 Config uring fo r Network Manageme nt Appl ications Overv iew Moni torin g a nd M ana ging the S witch Figur e 12-1 . The SNMP Co mmu nities Scree n (De fault Values) 2. Press [A] (for Add ) to display the followin g screen: Figure 12-2. The SNMP Add or Edit Screen Need Help? If you ne ed informa tion on the op tions in ea ch field, press [En [...]

12-7 Confi guri ng for N etwo rk Mana gement App licati ons Overvi ew Monitor i ng and Managing the Switch Listing Cu rrent Community Names and V alues. Listing Co mmunity Names. This comma nd lists the data forc urrently con- figu red SNM P co mmunit y nam es ( along with trap rece iver s an d the se tti ng fo r auth en tica tion t raps — see ?[...]

12-8 Config uring fo r Network Manageme nt Appl ications Overv iew Moni torin g a nd M ana ging the S witch Synta x: snmp-server [ contact <cont act-st r> ] [loc ation < loca tio n-str > ] Both fie ld s allo w u p to 48 ch arac ter s, witho ut spac es . For ex ample, t o confi gure the swit ch with "Site -LAN-Ext .449" a nd a [...]

12-9 Confi guri ng for N etwo rk Mana gement App licati ons Overvi ew Monitor i ng and Managing the Switch Note F ixed or "W ell -Know n" T raps : The Swit ch 4108G L automa tically sends f ixed traps (s uch as "co ldStart" , "warmStar t", "li nkDown", a nd "linkUp") to trap receiv ers using a publi[...]

12-1 0 Config uring fo r Network Manageme nt Appl ications Overv iew Moni torin g a nd M ana ging the S witch In the next example , the show snmp-ser ver comma nd show s th at the s witc h has been previously c onfigured t o send SNMP traps to mana gement sta tions belongin g to the “ public ” , “ red-t eam ” , and “ blue-te am ” comm u[...]

12-1 1 Confi guri ng for N etwo rk Mana gement App licati ons Overvi ew Monitor i ng and Managing the Switch Note If you do not speci fy the even t level ( [<n one | al l | non -info | crit ical | de bug >] ) then the switchwill n ot send e vent log messages a s traps. "W ell-K nown" t raps and thre shold traps (if configure d) will[...]

12-1 2 Config uring fo r Network Manageme nt Appl ications CDP Moni torin g a nd M ana ging the S witch CDP CDP Fe atur es Intro duction In a S witch 41 08GL, CD P-v1 (C isco D iscover y Protoco l, versi on 1) provi des data that aids SN MP-based netwo rk mapping ut ilities designed to di scover device s running CD P in a net work. T o make this da[...]

12-1 3 Confi guri ng for N etwo rk Mana gement App licati ons CDP Monitor i ng and Managing the Switch An SNMP ut ility can pr ogressiv ely discove r CDP devic es in a network by : 1. Reading a given de vice ’ s CDP Neig hbor table (in t he Management Infor- mation Base, or MI B) to learn about ot her , neighbor CDP devices 2. Using t he informat[...]

12-1 4 Config uring fo r Network Manageme nt Appl ications CDP Moni torin g a nd M ana ging the S witch Figur e 12- 5. Exampl e of How th e Switc h Stor es D ata on Neig hbor CD P Devic es Outgoing Packets A Switch 410 8GL running CDP pe riodical ly transmits a one-ho p CDP packet out each of its por ts. This packet con tains data describ ing the s[...]

12-1 5 Confi guri ng for N etwo rk Mana gement App licati ons CDP Monitor i ng and Managing the Switch Figure 12-6. Examp le of Out going CDP P acket Operati on Incoming CDP Packets When a CDP-en abled Switch 4108GL recei ves a CDP p acket fr om an other CDP devi ce, it ente rs tha t devi ce ’ s data in the C DP Neighbor s table, along with the p[...]

12-1 6 Config uring fo r Network Manageme nt Appl ications CDP Moni torin g a nd M ana ging the S witch neighbor pair s are a s fo llows: A/1 , A/2 , A/3, A/B, B /C. No te th at "C" and " E" ar e not neighbors be cause the in tervenin g CDP -disabled swit ch "D" do es not forward CDP packets; i .e. is n ot transp arent[...]

12-1 7 Confi guri ng for N etwo rk Mana gement App licati ons CDP Monitor i ng and Managing the Switch Usin g the ex ample in fi gure 12- 7: The CDP Ne ighbor ta ble for swit ches "A" a nd "B" woul d appear similar to these: Switch A: Switch B: Figur e 12- 8. Exa mple of Viewab le CD P Neig hbo r T able for Swit ches "A&quo[...]

12-1 8 Config uring fo r Network Manageme nt Appl ications CDP Moni torin g a nd M ana ging the S witch Non-C DP devi ces (th at is, device s that are not capa ble of running CDP) are transp arent t o CDP opera tion. However , an interve ning CD P-aware device that is CDP-disable d is not tran sparen t. For examp le, in figu re 12-7 ( page 16), &qu[...]

12-1 9 Confi guri ng for N etwo rk Mana gement App licati ons CDP Monitor i ng and Managing the Switch V iewing the Switch ’ s Cur rent CDP C onf igu rati on This command lists the switch ’ s glo bal and per -por t CDP c onfigu ration. (I n the fact ory default configu ration, the switch runs CDP on all ports wit h a hold time of 180 se conds a[...]

12-2 0 Config uring fo r Network Manageme nt Appl ications CDP Moni torin g a nd M ana ging the S witch Figure 12-10. Example of CDP Neighbors T able Listing Figure 12-11 illustr ates a topology of CDP-enabl ed devices for th e CDP Neigh- bors tab le listi ng in figu re 12- 10. Figure 12-11. E xample of CDP- Enabled De vices in a T opology for the [...]

12-2 1 Confi guri ng for N etwo rk Mana gement App licati ons CDP Monitor i ng and Managing the Switch Fig ure 12- 12. View of t he CDP Ne ig hbors T able Imm ed iatel y Af ter Execut ing cdp cl ear Configuring CDP Operation Enabling or Disabli ng CDP Operat ion on th e Switch. Enabli ng CDP operati on (the def ault) on the switch causes the switch[...]

12-2 2 Config uring fo r Network Manageme nt Appl ications CDP Moni torin g a nd M ana ging the S witch Enabling or Disabli ng CDP Operat ion on Ind ividual Por ts. In the factory -default configura tion, the swit ch has all port s enab led and tr ansmit- ting CDP pa ckets. Disa bling C DP on a port pr event s that por t from sendin g outbound CDP [...]

12-2 3 Confi guri ng for N etwo rk Mana gement App licati ons CDP Monitor i ng and Managing the Switch For e xamp le, if th e swi tch ’ s transmit interval for CDP packets was set to a non-def ault va lue, you wou ld use this co mman d to reset it to one minu te: Switch 4108GL(config) cdp timer 60 Changin g the Ho ld Time (CDP Pa cket Time -To-Li[...]

12-2 4 Config uring fo r Network Manageme nt Appl ications CDP Moni torin g a nd M ana ging the S witch ■ Switch "A" sends outbou nd CDP pack ets on the f orwardi ng link, and the switc h "B" CDP Neighbo rs table sho ws switch "A" on only one port. ■ Switch "B" sends outbou nd CDP pack ets on both link s,[...]

12-2 5 Confi guri ng for N etwo rk Mana gement App licati ons CDP Monitor i ng and Managing the Switch Figure 12-15. Example of IP Addr ess Selection when t he CDP Nei ghbor Has Mul tiple VLAN s with IP Addresses CDP Neighbor Data and MIB Objects The switch pla ces the da ta receiv ed from inbound CD P packet s into its MIB (Manage ment In formatio[...]

12-2 6 Config uring fo r Network Manageme nt Appl ications CDP Moni torin g a nd M ana ging the S witch T able 12-2. CDP Neighbors Data CDP Neighb or Data Displayed Neig hbors Ta b l e MIB Addre ss T ype No Y es Alwa y s "1" (I P addre ss only) . CDP Ca che Ad dres s No Y es I P addre ss of so urce dev ice. Software V ersion Y es Y es ASC[...]

12-2 7 Confi guri ng for N etwo rk Mana gement App licati ons CDP Monitor i ng and Managing the Switch Displaying CDP Neighbor Data. T o display the su perset of CDP neig hbor data held in the MIB , use the walkmib co mmand. Synta x: walkmib < MIB- identifie r > For exa mpl e, wit h two CD P devi ces co nnec ted to po rts A1 and A3 on the swi[...]

12-2 8 Config uring fo r Network Manageme nt Appl ications CDP Moni torin g a nd M ana ging the S witch CDP- Capa ble H ubs. Some hubs are c apable of r unning CDP , bu t also forward C DP pack ets a s if the hub itself were t ranspar ent to C DP . Such hu bs will ap pear in t he switch ’ s CDP Ne ighbor table and will also ma intain a CDP neighb[...]

13-1 HP Proc urve Stac k Manag ement 13 HP Procurve Stack Management Chapter Contents Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3 HP Procurve Stack Managemen t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-4 Which Devices Support Stacking? . . . . . . . . . [...]

13-2 HP P rocurv e Stack Mana gemen t Chap ter Co nten ts HP Proc urve St ack Managem ent Transmission Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-46 Stacking Operation with Multiple VLANs Configured . . . . . . . . . . . 13-46 Web: Viewing and Configuring Stacking . . . . . . . . . . . . . . . . . . . . [...]

13-3 HP P rocurv e Sta ck Ma nagement Overvi ew HP Proc urve Stac k Manag ement Overview This chapt er describe s how to u se your ne twork to sta ck switche s withou t the need for an y sp ecia lize d cabl ing — page 1 3-4. For ge neral inf ormatio n on how to use the switch ’ s bu ilt-in interfaces , see: ■ Chap ter 2 , “ Using the Menu I[...]

13-4 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent HP Procurve Stack Management Stac king Features HP Pr ocurve St ack Mana gemen t (t erme d stacking ) enable s you to use a single IP addr ess an d sta ndard n etwor k cablin g to m anage a gro up of u p to 16 t otal switches in the same IP subn [...]

13-5 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement ■ Simplify manageme nt of small wo rkgroups o r wiring close ts while scaling y our ne twork to ha ndle in creased bandw idth dem and. ■ Elimi nate an y special ized cab les for st acking conne ctivity a nd remove the di stance bar riers tha t[...]

13-6 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Components of HP Procurve Stack Managem ent T able 13-1. St acking Defin itions Figure 13-1. Illustration o f a Switch Moving from Candid ate to Member General Stacking Operation After you co nfig ure one s witch t o oper ate as the Comma nder of[...]

13-7 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Figure 13-2. Example of Stacking with One Commander Controlling Access to Wiring Clos et Switch es Interfac e Opti ons. Y o u can conf igure st acking through the switch ’ s menu interfac e, CLI, or t he web brow ser interf ace. For inf ormat io[...]

13-8 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent ■ Ther e is no l imit on the num ber of st acks in t h e s ame IP s ubnet (broadc ast domai n), however a switch can belong to only one stac k. ■ If multiple VLANs are c onfigured, st acking uses only the pr imary VLAN on a ny switch. In the [...]

13-9 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Note In the default sta ck conf iguration, t he Candid ate Aut o Jo in para meter is enab led, but th e Comm an der Auto Grab parameter is di sabled . This pre vents Candida tes from au tomatically joining a stack pr ematurel y or joining the wro [...]

13-1 0 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Overview of Configur ing and Bringing Up a Stack This process assumes that: ■ All switch es you want to include in a stack are conne cted to the same subnet (b roadca st domain) . ■ If VLANs are en abled on the switch es you want to include[...]

13-1 1 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement T able 13-3. St acking Config uration Guide The easiest way to automatically create a stac k is to: 1. Configure a switch as a Commander . 2. Configure IP addressing and a st ack name on the Commander . 3. S et the Commander ’ s Auto Grab para[...]

13-1 2 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Gener al Steps f or Creat ing a S tack This section describe s the gen eral stack crea tion proc ess. For the det ailed config uration pr ocesses, see pages 13-14 through 13-38 fo r the menu interfac e and pag es 13-31 through 13-43 fo r the CL[...]

13-1 3 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement 3. For automatically or manually pulling Candidate switches into a stack, you can leave such switches in their default stacking configuratio n. If you need to access Candidate switches through your network before they join the stack, ass ign IP [...]

13-1 4 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Using the Menu Interface T o V iew Stack Status and Configure Stacki ng Using the Menu Interface T o View and Configure a Commander Switch 1. Configure an IP address and subn et mask on the Commander swit ch. (See Chapter 7, “ Confi gur ing I[...]

13-1 5 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Figure 13-6. The Default St ack Co nfigur ation Scre en 4. Move the cursor to the Stack State field by pressing [E] (for E dit ). Then use the Space bar to select the C ommander option. 5. Press the downarrow key to display the Commander configu[...]

13-1 6 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Using the Menu T o Manage a Candi date Switch Using the m enu interf ace, you can perf orm thes e actio ns on a Candi date switch: ■ Add ( “ push ” ) the Candi date into an e xisting stack ■ Modify the Candid ate ’ s stacking configur[...]

13-1 7 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement T a ble 13-4.Candida te Configuratio n Options in the Menu Interface Using the Me nu T o “ Push ” a Swit ch Into a St ack, M odify the Swit ch ’ s Configura tion, or Disable St acking on the Swit ch. Use T elnet or the web browser in terfa[...]

13-1 8 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent 4. Do one of the following: • T o disable stacki ng on the Cand idate, use the Space bar to select the Disabled o ption, then go to step 5. Note: Usin g the menu int erface to disable stac king on a Cand idate remo ves th e Can didat e fro m [...]

13-1 9 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Using the Commander ’ s Menu T o Manually Ad d a Candidate to a Stack . I n the defaul t config uration , you must ma nually ad d stack Me mbers from the Candid ate pool. R easons for a swit ch re maining a Candida te instea d of beco ming a M[...]

13-2 0 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Figure 13-10. Example of Ca ndidate L ist in Stack Ma nagemen t Screen 3. Either accept the displayed switch numb er or enter another avail able number . (The range is 0 - 15, with 0 reserved for the Commander .) 4. Us e the downarrow key to mo[...]

13-2 1 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Figure 13-11. Example of Stac k Management Scre en After Ne w Member Adde d Using the C ommander ’ s Menu T o Mo ve a Me mber F rom O ne Stac k to Anot her . Where two or more stacks exist in the same subnet (broadcast doma in), you can easily[...]

13-2 2 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Y o u will then see the Stacking Statu s (All) scre en: Figure 13-12. Example of How the St ackin g Status (All ) Screen Help s Y ou Find Member MAC Addresses 3. In the Stacking Status (All) screen, find the Member switch that you want to move [...]

13-2 3 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement 8. Do one of the following: • If the stack cont aining the Me mbe r you a re mov ing h as a Ma nager passwor d, press the downar row key t o select the Cand idate Password field, t hen type t he passwor d. • If the sta ck conta ining t he Me[...]

13-2 4 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent 4. St ack Mana gement Y ou will then see the Stack Ma nagemen t screen: Figure 13-13. Example of St ack Ma nagemen t Screen wit h Stack Me mbers Listed 2. Use the downarrow key to select the Member you want to remove from the stack. Figure 13-1[...]

13-2 5 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Using the Commander T o Access Member Switches for Configuration Changes and Monitor i ng T raff ic After a Can dida te b ecom es a st ac k Member , you can use that stac k ’ s Co mmand er to a cce ss th e M em ber ’ s console interfa ce for[...]

13-2 6 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Figur e 1 3-17 . T he eXec ute Comm and D is play s th e C onsol e Main Menu fo r th e Selec ted Stack M ember 2. Y ou can n ow make configur ation changes and/or vi ew status data for the selected Member in the same way that you would if you w[...]

13-2 7 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement 3. Press [B] (for B ac k ) to return to the St acking Menu. 4. T o display Stack Co nfigura tion menu for t he switch yo u are mo vi ng, select 3. Stack Confi gurati on 5. Press [E] (for E dit ) to sel ect the S tack State parame ter . 6. Use th[...]

13-2 8 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Using An y Stack ed Swi tch T o V iew the St atus for All Sw itche s wit h Stacking Enabl ed. This p rocedur e displa ys the genera l status of all switc h es in the IP sub ne t (bro adca st do main) that hav e stac king e nable d. 1. Go t o th[...]

13-2 9 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Figure 13-19. Example of th e Commande r ’ s Stacking Status Screen V iewing Me mber St atus. This procedur e displays t he Membe r ’ s stacking informa tion pl us the Comm ande r ’ s status, IP address, and MAC address. T o display t h e [...]

13-3 0 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Figure 13-20. Example of a Member ’ s Stacking S tatus Sc reen V i ewin g Cand idate St atus. This procedure displays th e Candidat e ’ s stackin g configur ation . T o displ ay th e sta tu s for a C an dida te: 1. Use T elnet (if the Candi[...]

13-3 1 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Using the CLI T o V iew Stack Status an d Configure Stacki ng The CL I enab les you to do a ll of the stacki ng tasks av ailable throug h the menu interfac e.) T a ble 1 3-6. CLI Co mma nds for Confi guring Stack ing on a Switc h CLI C omm and O[...]

13-3 2 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent [no] st ack memb er <switch- num> mac-ad dress <mac-a ddr> [passw ord <p asswo rd-str > ] Comma nder : Adds a Candi date t o stack memb ersh ip. “ No ” form removes a Memb er from st ack member ship . T o ea sily determi n[...]

13-3 3 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Using the CLI T o V iew Stack Status Y ou can list the stack stat us for an indiv idual swit ch an d for other swit ches that h ave been discover ed in th e same subnet . Synta x: sh ow stack [cand idates | vi ew | all] V iewing th e Stat us of [...]

13-3 4 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent V iewing t he S tatus o f all Stack-Ena bled Switche s Discov ered in the IP Subne t. The next example list s all the stac k-confi gured switches di scover ed in the IP s ubne t. B ecau se the Swit ch 41 08G L on w hic h the show stac k all com[...]

13-3 5 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Using the CLI T o Configure a Commander Switch Y ou can config ure any sta cking-e nabled sw itch to b e a C omma nder as l ong a s the int ended sta ck name doe s not al ready e xist on the broadcas t domain . (When you configu re a Comm ande r[...]

13-3 6 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Figure 13-26. Example of th e Commande r ’ s Show St ack Scr een wit h On ly the Comm ande r Disc ove red Using a Member ’ s CLI to Co nve rt th e Memb er to the C omman der of a New Stack. This pr oced ure r equires that y ou first remo ve[...]

13-3 7 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Figure 13-27. Example of Using a Me m ber ’ s CLI T o Co nvert the Member to the Commander of a New Stack Adding to a S tack or Moving Switches Between Stacks Y ou can add switche s to a stack by adding disco vered Ca ndidat es or by movi ng s[...]

13-3 8 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Using the Commander ’ s CLI T o Manually Add a Ca ndidat e to the Stack . T o manually add a candidat e, you will use: ■ A switch num ber ( SN ) to assig n to the new me mber . Member SNs range from 1 to 15. T o see which SNs ar e alread y [...]

13-3 9 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement For exa mp le, if th e HP 8 000 M in the abov e listing did not have a Man ager passwor d and you w anted to m ake it a stack M ember with an SN of 2 , you would e xecute the foll owing co mmand: HP4108(config)# stack member 2 mac-address 0060b0[...]

13-4 0 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent ■ The Ca ndidate ’ s Auto Jo in is set to Ye s ( and you do n ot want to enab le Auto Grab on the C omma nder) o r the Ca ndidate ’ s Auto Join is set to No . ■ Either yo u know the MAC addr ess of the Comman der for the stac k into whi[...]

13-4 1 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Synta x: stack member < sw itch- numbe r > mac-ad dress < ma c-addr > [pass word< password- str >] In the de stination Comma nder , use show stack all t o find t he M AC addr ess of the Mem ber you wa nt to pull in to the desti[...]

13-4 2 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Synta x: no stack name <s tack name > stack join <mac-addr ess> If you don ’ t know the MAC addr ess of the destinat ion Co mmander , you can use show st ack all to ide nti fy it . For ex ample, suppose you ha ve a Switch 4108GL o[...]

13-4 3 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement Synta x: [no] stack mem ber < switch-nu m > mac-a ddress < mac-addr > Use sh ow stack view to list the stac k Members. For example, suppose that yo u wan ted to us e th e Comm ande r to re move the “ North S ea ” Memb er f rom t [...]

13-4 4 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Y ou would then execut e this com mand in the “ North Sea ” switch ’ s C LI to remo ve th e swit ch fr om the stac k: North Sea(config)# no stack join 0030c1-7fec40 Using the CLI T o Access Member Switches for Configuration Changes and T [...]

13-4 5 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement SNMP Community Operation i n a Stack Com muni ty Me mber ship In the defa ult stacking co nfigura tion, when a Candidate join s a stack, it auto mati cally beco mes a Me mber of any SN MP com mun ity to whic h the Command er be longs, eve n thou[...]

13-4 6 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Note that in t he above example (figure 1 3-37) you c annot use the public comm unity throu gh the Co mmander to access an y of the Member swit ches. For e xample, you c an use the public c ommuni ty to a ccess the MIB in switch es 1 and 3 by u[...]

13-4 7 HP P rocurv e Sta ck Ma nagement HP P rocurve Stac k Man ageme nt HP Proc urve Stac k Manag ement ■ Stacki ng uses on ly the prima ry VLAN on each sw itch in a st ack. ■ The prim ary VL AN c an b e tagg ed or un ta gged as ne eded in th e stacking pat h from switch to sw itch. ■ The sam e VLAN ID (VID) must b e assigned to the pr imary[...]

13-4 8 HP P rocurv e Stack Mana gemen t HP P rocur ve St ack Mana geme nt HP Proc urve St ack Managem ent Status Messa ges Stacking screens and listings display these status messag es: Message Condition Actio n or Remedy Cand idate Aut o-jo in Ind icates a swit ch conf igure d wit h S tack Sta te s et to Can didate, Auto Join set to Ye s (the defau[...]

14-1 Port-Bas ed Virtual LANs (VLANs) and GVRP 14 Port-Based V irtual LANs ( VLANs) and GVRP Contents Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-3 Port-B ased Vi rtual LANs (St atic VL AN s) . . . . . . . . . . . . . . . . . . . . . . 14-4 Overview of Using VLA Ns . . . . . .[...]

14-2 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Cont ents Port-Ba sed Virt ual LANs (VLANs) and GVRP Configuring GVRP On a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-37 Menu: Viewing and Configuring GVRP . . . . . . . . . . . . . . . . . . . . 14-37 CLI: Viewing and Configuring GVRP . . . . . . . . . . . . . . . . . .[...]

14-3 Port-B ased Virtu al LANs (VLANs) and GVR P Overvi ew Port-Bas ed Virtual LANs (VLANs) and GVRP Overview This chapt er descr ibes the fo llowing f eatures a nd how to config ure the m with the swi tch ’ s built-in inte rface s: ■ Port-Based VLANs — Page 14-4: ■ GVRP — Page 14-30: For ge neral inf ormatio n on how to use the switch ?[...]

14-4 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP Port-Based V irtual LANs (Static VLANs) VLAN Fe atur es A VLAN is a group of ports desig nated by the switch as belo nging to the sam e broad cast dom ain. (Tha t is, all ports ca rrying t raffic for a particu [...]

14-5 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP elimin ated an d bandwid th is saved by not allow ing packe ts to flood ou t all ports. An ex ternal router is re quired to e nable sepa rate VLAN s on a switch to comm unicate w ith each other . For exa mple, refe rri[...]

14-6 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP Figur e 14- 2. Exam ple of Over lapp ing VL AN s Usin g the Sa me Ser ver Similarly , using 8 02.1Q-compli ant switche s, you can con nect mult iple VLANs through a sin gle switch-to-sw itch link. Figur e 14- 3[...]

14-7 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP Figure 14-4. Example of T ag ged a nd Untag ged VLAN T echnology i n the Same Netwo rk For mo re infor mation on VLANs, refer to: ■ “ Ove rview of Usi ng VL ANs ” (page 14-7 ) ■ “ Menu : Conf iguri ng VLAN Pa[...]

14-8 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP to ensure that multip le instances o f DHCP or Boot p on di fferent VLANs d o not result in confli cting configu ration values f or the switch. The primar y VLAN is the VLAN the switch uses to run an d manage t[...]

14-9 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP Figure 14-5. Compari ng Per -Port VLAN Options With and With out GVRP T a ble 14-1. Per - Port VLAN C onfiguratio n Options Examp le of Per -Po rt VLAN Config uratio n with GV RP Disab led (the default) Exam ple of Pe [...]

14-1 0 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP Gene ral Steps f or Using VLANs 1. Plan yo ur VLAN strate gy and crea te a map of the logic al topology that will result fro m config uring V LANs. Inc lude consi dera tion for t he inte raction betwee n VLAN[...]

14-1 1 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP Menu: Configuring VLAN Parameters In the fac tory default st ate, supp ort is enable d for up to e ight VLA Ns. (Y ou can chan ge the switc h VLAN con figura tion to supp ort up to 30 VLANs.) A lso, all ports on the [...]

14-1 2 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP ■ T o change the maxim um num ber of VLA Ns, type t he new number ( 1 - 30 allowe d; def ault 8). ■ T o design ate a diff ere nt VL AN as th e p rima ry VL AN, sele ct th e Primary VLAN field an d use the[...]

14-1 3 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP Addi ng or Edi ting VLAN Nam es Use this pr ocedure to add a new V LAN or t o edit the name of an existi ng VLAN . 1. From the M ain Men u se lect : 2. Switch Con figuration 8. VLAN Menu . . . 2. VLAN Names If mul ti[...]

14-1 4 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP Figure 14-9. Example of VLAN Names Screen with a New VLAN Added 6. Repeat steps 2 th rough 5 to ad d mor e VLANs. Rememb er t hat yo u can a dd V LANs un til you r eac h the n umber speci fied in the Maximum [...]

14-1 5 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP Figure 14-10. Example of VLAN Port Assignment Scree n 2. T o ch ange a port ’ s VLAN assignment(s): a. Press [E] (for E dit ). b. Use the arrow key s to s ele ct a V LAN assi gnme nt yo u want to c hange . c. P res[...]

14-1 6 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP Figure 14-11. Example of VLAN Assignments for Specific Ports For in form ation on VLAN tags ( “ Untagg ed ” an d “ T agg ed ” ), refer to “ VLAN T agging Inform ation ” on p age 14 -23. d. If you [...]

14-1 7 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP VLAN Comman ds Used in this Sec tion Displaying the Switch ’ s VLAN Config uration. The next c omman d lists the V LANs cu rrently runni ng in t he swit ch, wi th VID , VLAN name, a nd VLA N status. Dynamic VLANs a[...]

14-1 8 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP Displayin g the Configur ation for a Particular VL AN . This co mmand uses the VI D to identify a nd display t he data for a specific stat ic or dynamic VLAN. Synta x: show vlan < vl an-id > Figure 14-1[...]

14-1 9 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP Changing t he Numb er of VLANs A llowed on t he Switch . By defa ult, the swi tch allo ws a max imum of 8 VLANs. Y ou can specif y any value f rom 1 to 30. (If GV RP is enabl ed, th is se tting i ncl udes an y dyna m[...]

14-2 0 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP Creati ng a New St atic VL AN Changin g the VLAN Cont ext Leve l. W ith this comm and, ent ering a ne w VID creates a ne w static VLAN. En tering the V ID or n ame of an ex isting st atic VL AN pla ces you in[...]

14-2 1 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP Converting a Dynamic VLAN to a St atic VLAN. If GVRP is runnin g on the switc h and a p ort dyna mically joins a VLAN , you can use the next comman d to co nvert th e dy namic VLAN to a static VLAN. ( For GVR P and d[...]

14-2 2 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP (For in format ion on dynamic VLAN and GV RP oper ation, se e “ GVRP ” on page 14 -30. ) For examp le, suppose you ha ve a VLAN named VLA N100 w ith a VID of 100, and a ll ports are set t o No fo r thi s [...]

14-2 3 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP 3. Clic k on [Add/Rem ove VLANs] . For web- based Help on how to use the web br owser inte rface scr een, click on the [?] button pro vided on t he web br owser scree n. VLAN T agging Information VLAN tagging enables[...]

14-2 4 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP Figure 14-17. Example of T ag ged and Untagged VLAN Port Assi gnments ■ In swit ch X: • VLANs assigne d to ports X 1 - X6 can all be untagged be cause th ere is only one V LAN assign ment per p ort. Red V[...]

14-2 5 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP Note Each 802.1Q-com pliant VLAN must ha ve its own uni que VID number , and that VLAN must be given the same VID in every device in w hich it is configured. T h a t i s , i f t h e R e d V L A N h a s a V I D o f 1 [...]

14-2 6 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP Figure 14-19. Example of Networke d 802.1Q-Compliant Devices with Multiple VLANs on Some Por ts The VLANs assig ned to ports X3, X4, Y2, Y3, and Y4 can all be unt agged because th ere is o nly one VLA N assig[...]

14-2 7 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP To s u m m a r i z e : Effect of VLANs on Other Sw itch Features Spanning T ree Protocol Operation with VLANs Becau se the Sw itch 41 08GL follow s the 8 02.1Q VLA N recom menda tion to us e single-instance spanning [...]

14-2 8 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP Port -Bas ed Vi rtual LANs (S tati c VLA Ns) Port-Ba sed Virt ual LANs (VLANs) and GVRP VLAN MAC Ad dresses The switch has one unique MA C address fo r each of its VLAN interfac es. Y ou can send an 802.2 test packet to this MAC ad dress to verify co nnectivi ty to the switch. Likew ise, you ca [...]

14-2 9 Port-B ased Virtu al LANs (VLANs) and GVR P Port-Based Vi rtual LANs (S tatic VLANs) Port-Bas ed Virtual LANs (VLANs) and GVRP VLAN Restri ctions ■ A port must be a mem ber of at le ast one VLA N. In the fac tory def ault config uration, a ll ports ar e assigned to the de fault VLA N (DEF AUL T_VLAN; VI D = 1). ■ A port can be a ssign ed[...]

14-3 0 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP GVRP Port-Ba sed Virt ual LANs (VLANs) and GVRP GVRP GVRP — GARP VLAN Re gistrati on Protocol — is an applicat ion o f the Gene ric Attr ibute Re gistrat ion Prot ocol — GARP . GVRP is defined in the IEEE 80 2.1Q standa rd, a nd GARP is defined in the I E EE 802.1 D-1998 standa rd. Note T [...]

14-3 1 Port-B ased Virtu al LANs (VLANs) and GVR P GVRP Port-Bas ed Virtual LANs (VLANs) and GVRP General Operation When GVR P is enab led on a switch , the VID for any static VLANs confi gured on the swi tch is adve rtised (using BPDUs — Bridge Protocol Da ta Units) out all por ts, regardl ess of whe ther a po rt is up or assigned t o any pa rti[...]

14-3 2 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP GVRP Port-Ba sed Virt ual LANs (VLANs) and GVRP For ex ample, in the fo llowi ng figu re, T ag ged VLAN ports o n switch “ A ” and switch “ C ” ad vertis e VLA Ns 22 an d 33 to ports o n othe r GVRP-enab led switches that can dy namically join the VLANs. Figure 14-21. Example of GVRP Ope[...]

14-3 3 Port-B ased Virtu al LANs (VLANs) and GVR P GVRP Port-Bas ed Virtual LANs (VLANs) and GVRP Note als o tha t a por t be longin g to a T ag ged or Un tagg ed st atic VLA N has thes e config urable op tions: ■ Send VL AN adve rtisem ents, and al so rec eive ad vertisemen ts for VL ANs on other ports and dyna mically join thos e VLANs. ■ Sen[...]

14-3 4 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP GVRP Port-Ba sed Virt ual LANs (VLANs) and GVRP T a ble 14-2. Options for Handling “ Unknown VLAN ” Ad vertisements: The CLI show gvrp command and the menu in terface V LAN Suppor t screen show a switch ’ s curren t GVRP confi guration, inc luding the Unknow n VLAN settings. Figure 14-22. [...]

14-3 5 Port-B ased Virtu al LANs (VLANs) and GVR P GVRP Port-Bas ed Virtual LANs (VLANs) and GVRP Per -Port Options for Dynamic VLAN Advertisi ng and Joini ng Initia ting Adve rtisements. A s descr ibe d in the prec edi ng se cti on, t o enab le dynamic join s, GVRP must be ena bled and a port must be configure d to Lea rn (the default) . Howeve r [...]

14-3 6 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP GVRP Port-Ba sed Virt ual LANs (VLANs) and GVRP As the prec eedin g table indic ates, whe n you en able GVR P , a port th at has a T agg ed o r Un tagg ed s tatic VLA N h as th e opt ion f or bo th gen erati ng adve rtise - ments an d dynamic ally joinin g other VLANs. Note In table 14-3, abo ve[...]

14-3 7 Port-B ased Virtu al LANs (VLANs) and GVR P GVRP Port-Bas ed Virtual LANs (VLANs) and GVRP Planni ng for GVRP Oper ation These st eps outlin e the pro cedure for setting up dynami c VLAN s for a seg- ment. 1. D ete rmine the V LAN topo logy y ou want for ea ch s egm ent (b roadc as t domai n) on yo ur netw ork. 2. Deter mine the VLANs that m[...]

14-3 8 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP GVRP Port-Ba sed Virt ual LANs (VLANs) and GVRP 2. Switch Con figuratio n . . . 8. VLAN Menu . . . 1. VLAN Support Figure 14-23. The VLAN Support S creen (Def ault Conf igurati on) 2. Do t he followin g to enab le GVRP an d display the Unkno wn VLAN fields: a. Press [E] (for E dit ). b. Use [v ][...]

14-3 9 Port-B ased Virtu al LANs (VLANs) and GVR P GVRP Port-Bas ed Virtual LANs (VLANs) and GVRP CLI: Vi ewing and Configuring GVRP GVRP Comma nds Used in Th is Secti on Displaying the Switch ’ s Curre nt GVRP Co nfiguratio n. This command shows whether GVRP is disable d, along wit h the curre nt settings fo r the maximum nu mber of VL ANs and t[...]

14-4 0 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP GVRP Port-Ba sed Virt ual LANs (VLANs) and GVRP Enabling and Disablin g GVRP on the Switc h. This command enabl es GVRP on th e swi tch . Synta x: gvr p This ex ample ena b les GVRP: HP4108(config)# gvrp This example disables GVRP operat ion on the switch: HP4108(config)# no gvrp Enabling and Di[...]

14-4 1 Port-B ased Virtu al LANs (VLANs) and GVR P GVRP Port-Bas ed Virtual LANs (VLANs) and GVRP Displaying the Static and Dynamic VLANs Ac tive on the S witch. The show vlans command lists all VLANs present in the switch. Synta x: show vlans For exampl e, in the following illustration , switch “ B ” has one static V LAN (the default VLA N), w[...]

14-4 2 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP GVRP Port-Ba sed Virt ual LANs (VLANs) and GVRP Converting a Dynamic VLAN to a St atic VLAN. If a port on th e switch has joined a dynamic V LAN, you ca n use the f ollowing command to c onvert that dy namic VLA N to a s tati c VLAN : Synta x: sta tic < dynamic - vl an-id > For ex ample, t[...]

14-4 3 Port-B ased Virtu al LANs (VLANs) and GVR P GVRP Port-Bas ed Virtual LANs (VLANs) and GVRP ■ Conver ting a dyna mic VL AN to a stat ic VLA N and then e xecu ting th e write memory comman d saves t he VLAN in the star tup-config file an d makes it a pe rmanen t part of th e swit ch ’ s VLA N config uration . ■ W it hin the same broadc a[...]

14-4 4 Port -Bas ed Vir tual LANs (VL ANs ) and GV RP GVRP Port-Ba sed Virt ual LANs (VLANs) and GVRP[...]

15-1 Multime dia Traffic Contr ol with I P Multic ast (IGMP ) 15 Multim edia T raffic Co ntrol wit h IP Multic ast (IGMP) Chapter Contents Chapter Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

15-2 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) Overv iew Multime dia Traffic Contr ol with I P Multica st (IGMP ) Overview This chapt er descr ibes the fo llowing f eatures a nd how to config ure the m with the swi tch ’ s built-in inte rface s: ■ Multime dia T raf fic C ontrol with IP Mult icast (I GMP): Use the switch to redu [...]

15-3 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) Gener al O perat ion an d Featur es Multime dia Traffic Contr ol with I P Multic ast (IGMP ) General Operation and Features IGMP Feat ures In a n etwor k where IP multicast traffi c is t ransmitte d for various mul timedia applica tions, you c an use the switch to reduce unnec essary ba[...]

15-4 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) Gener al Op erati on and Featur es Multime dia Traffic Contr ol with I P Multica st (IGMP ) Note IGMP config uration o n the Swit ch 410 8GL opera tes at the VLAN contex t level. If you a re not u sing V LANs, the n config ure IGM P in VL AN 1 ( the de fault VL AN) cont ext. IGMP T erms[...]

15-5 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) Gener al O perat ion an d Featur es Multime dia Traffic Contr ol with I P Multic ast (IGMP ) IGMP Operati ng Featur es Basic Operation In the fact ory default conf igurati on, IGMP is disabled . If multiple VLANs are not config ured, you m ust configu re IGMP on the d efault V LAN (DEF [...]

15-6 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) CLI: Conf igur ing an d Disp layi ng IGMP Multime dia Traffic Contr ol with I P Multica st (IGMP ) ■ Querier C apabilit y: Th e swi tch perf orms th is func tion f or IG MP o n VLANs ha ving an IP ad dress when ther e is no othe r de vice i n the VL AN actin g as qu erier . See “ Qu[...]

15-7 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) CLI : Confi gur ing an d Displa ying IGMP Multime dia Traffic Contr ol with I P Multic ast (IGMP ) V iewi ng the Curre nt IG MP Configurat ion. Thi s co mm and li st s th e IG MP config uration fo r all VL ANs config ured on t he switc h or for a spe cific VLA N. Synta x: sho w ip igm p[...]

15-8 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) CLI: Conf igur ing an d Disp layi ng IGMP Multime dia Traffic Contr ol with I P Multica st (IGMP ) Figure 15-2. Example Listing of IGMP Config uration for A Specific VLAN Enabling or Disabling IGMP on a VLAN. Y o u can enable IGMP o n a VLAN, alon g with the last-saved o r defaul t IGMP[...]

15-9 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) CLI : Confi gur ing an d Displa ying IGMP Multime dia Traffic Contr ol with I P Multic ast (IGMP ) Configuring Pe r -Port IGMP Packet Control. Use this co mmand in t he VLAN con text to spe cify how eac h port shou ld handle I GMP traf fic. Synta x: vlan < vid > ip igm p [auto <[...]

15-1 0 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) CLI: Conf igur ing an d Disp layi ng IGMP Multime dia Traffic Contr ol with I P Multica st (IGMP ) HP41 08 (vlan 1)# no ip igmp Return s IGMP traf fic to high-priority-forward “ normal ” pr iority . HP41 08 > show ip igmp config Show comm and to display results of above high-p [...]

15-1 1 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) How IGMP Operates Multime dia Traffic Contr ol with I P Multic ast (IGMP ) How IGMP Operates The Intern et Group Ma nagem ent Protoc ol (IGMP) is an interna l protocol of the In ternet Pro tocol (I P) suite. IP mana ges multi cast traff ic by using switches, mul ticast routers, an d h[...]

15-1 2 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) How IGMP Operates Multime dia Traffic Contr ol with I P Multica st (IGMP ) Thus, IGMP ide ntifies me mbers of a multic ast group (w ithin a sub net) and allows IGMP-conf igured hosts (a nd rou ters) to joi n or lea ve mult icast g roups. IGMP Data. T o disp lay da ta showi ng active g[...]

15-1 3 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) How IGMP Operates Multime dia Traffic Contr ol with I P Multic ast (IGMP ) Automatic Fast-Leave IGMP IGMP Op eration Pr esents a "Del ayed Lea ve" Probl em. Where m ultiple IGMP clie nts are c onnected to the same port on an IGMP devi ce (switc h or router ), if only on e IG[...]

15-1 4 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) How IGMP Operates Multime dia Traffic Contr ol with I P Multica st (IGMP ) In the n ext figur e, automa tic Fast-L eave oper ates on the switch por ts for IGMP client s "3A" and "5B", b ut not on th e switch port fo r IGMP clie nts "7A" and 7 B, Server &q[...]

15-1 5 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) How IGMP Operates Multime dia Traffic Contr ol with I P Multic ast (IGMP ) Configuration Options for Forced Fast-Leave Note o n VLAN Numb ers: In the HP P rocurve Switch 410 8GL, the walkmi b and setmib command s use an inte rnal VLA N numbe r (and not the V L AN ID, or VID) to dis pl[...]

15-1 6 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) How IGMP Operates Multime dia Traffic Contr ol with I P Multica st (IGMP ) - OR - walkmib 1.3.6.1.4.1.11.2.14.11.5.1.7.1.15.3.1.5 The resultin g display list s the Force d Fast-Leave stat e for all p orts in the switch, by VLAN. ( A port b elonging to mo re than on e VLAN will be list[...]

15-1 7 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) How IGMP Operates Multime dia Traffic Contr ol with I P Multic ast (IGMP ) Figure 15-5. E xample Listing the Forced Fa st-Leave State for a Single Port on the Default VLAN Configuring Per -Port Forced Fast-Leave IGMP In the facto ry-defau lt conf igurat ion, For ced Fast-Leave is di s[...]

15-1 8 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) How IGMP Operates Multime dia Traffic Contr ol with I P Multica st (IGMP ) DEFAULT_CONFIG: setmib hpSwitchIgmpPortForcedLe- aveState.1.49 -i 1 Figure 15-6. Examp le of C hanging the Fo rced Fa st-Leave Configur ation on Port 49 Using the Swi tch as Querier Querier Operation The func t[...]

15-1 9 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) The Switch Excl udes Wel l-Kn own or Res erved Mult ica st Add res ses fr om IP Mul ticast Fi ltering Multime dia Traffic Contr ol with I P Multic ast (IGMP ) In the ab ove scen ario, if th e othe r dev ice ceases to operat e as a Querie r on the defaul t VLAN, the n the swit ch det e[...]

15-2 0 Multimed ia Tr affic Control w ith IP M ulticas t (IGM P) The Sw itch Excl udes Well-K nown or Reser ved Mul ticas t Addre sses from IP Multi cast Fil tering Multime dia Traffic Contr ol with I P Multica st (IGMP ) Note: IP Mult ica st F ilter s. IP mult icast a ddresses oc cur in the range fro m 224. 0.0.0 thro ugh 23 9.25 5.25 5.255 (whi c[...]

16-1 Spanni ng T ree Pr otocol (STP) 16 Spann ing T ree P rotoc ol (S TP) Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-2 Menu: Configuring STP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-4 CLI: Configuring STP . . . . .[...]

16-2 Span ning Tr ee Pro toco l (STP ) Overv iew Spanni ng Tree Pr otocol (STP) Overview STP Fe atu res Use the Spanni ng T re e Protocol (ST P — IEEE 8 02.1D) to ensure that only one active pa th at a time exists betwee n any two no des on the n etwork. In netwo rks where there is more th an one ph ysica l, active path be twee n any tw o nodes, [...]

16-3 Spanni ng Tree Pr otocol ( STP) Overvi ew Spanni ng T ree Pr otocol (STP) As rec ommen ded in th e IEEE 802.1Q VLA N stand ard, the Switch 4 108GL us es single-inst ance STP . (As a result, the switch g enerates untagged Bridge Protocol Data Unit s — BPDUs.) This imp lementation creates a single spanning tree to make sure th ere ar e no netw[...]

16-4 Span ning Tr ee Pro toco l (STP ) Menu : Conf igu ring ST P Spanni ng Tree Pr otocol (STP) Menu: Configuring STP 1. From the M ain Men u, sel ec t: 2. Switch Con figuratio n . . . 4. Span ni ng T ree Op erat ion 2. Press [E] (for E dit ) to hi ghl ight th e Spanni ng T ree E nabled parame ter . 3. Press the Space bar to select Ye s . ( Ye s in[...]

16-5 Spanni ng Tree Pr otocol ( STP) CLI: Confi gurin g STP Spanni ng T ree Pr otocol (STP) 7. When you are f inished editin g paramete rs, p ress [En t er] to re turn to the Actions line. 8. Press [S] to save the currently disp layed STP parame ter setti ngs, th en return to the Main Menu. CLI: Confi guring ST P STP Co mmands U sed in This S ectio[...]

16-6 Span ning Tr ee Pro toco l (STP ) CLI: Conf igu rin g STP Spanni ng Tree Pr otocol (STP) Figure 16-2. Example of the De fault STP Configura tion Listing Enabling or Disabling STP . Enabling STP impleme nts t he span ning-tre e protoc ol for all physic al ports on the switch , regardl ess of whether multiple VLANs a re con figured . Disabling S[...]

16-7 Spanni ng Tree Pr otocol ( STP) CLI: Confi gurin g STP Spanni ng T ree Pr otocol (STP) Caut ion Because incorrect STP set tings ca n adversely affect netwo rk perf orma nce, HP reco mmends tha t you use the defau lt STP par ameter set tings. Y ou should not chang e these settings u nless yo u have a strong under standing of how STP oper ates. [...]

16-8 Span ning Tr ee Pro toco l (STP ) CLI: Conf igu rin g STP Spanni ng Tree Pr otocol (STP) For exa mpl e, to co nfig ure a max imum -age of 30 sec onds an d a h ello-t ime of 3 seconds for STP: HP4108(config)# spanning-tree maximum-age 30 hello-time 3 Reconfigu ring Per -Port ST P Ope ration on the Switch. This co mman d enab les STP ( if not al[...]

16-9 Spanni ng Tree Pr otocol ( STP) Web : Enab ling or Di sab ling STP Spanni ng T ree Pr otocol (STP) W eb: Enablin g or Dis abling STP In the w eb brow ser int erface you c an enable or disabl e ST P on t he switch. T o config ure othe r STP feat ures, teln et to th e switch console and use th e CLI. T o enable or disa ble STP on the switch: 1. [...]

16-1 0 Span ning Tr ee Pro toco l (STP ) How ST P Ope rates Spanni ng Tree Pr otocol (STP) Figure 16-3. Example of Redun dant Paths Bet ween T wo Nodes STP Fast Mode For stan dard STP op eration , when a network co nnec tion is establish ed on a device that is ru nning STP , the por t used for the c onnect ion goes through a sequence of states (Lis[...]

16-1 1 Spanni ng Tree Pr otocol ( STP) How ST P Oper ates Spanni ng T ree Pr otocol (STP) If you en count er end n odes tha t repeat edly indi cat e server a ccess failu re whe n attempt ing to brin g up their netw ork connect ion, and you have enable d STP on the switc h, try chan ging the configu ration of the switc h ports assoc iated with those[...]

16-1 2 Span ning Tr ee Pro toco l (STP ) How ST P Ope rates Spanni ng Tree Pr otocol (STP) STP Operation with 802.1Q VLA Ns As recom mended in the IEEE 802.1Q VLAN stan dard, whe n spanning tree is enab led on the switc h, a single spa nning tre e is configu red for a ll ports across the switc h, including those in separa te VLANs (t hat is, single[...]

16-1 3 Spanni ng Tree Pr otocol ( STP) How ST P Oper ates Spanni ng T ree Pr otocol (STP)[...]

16-1 4 Span ning Tr ee Pro toco l (STP ) How ST P Ope rates Spanni ng Tree Pr otocol (STP)[...]

17-1 Mon ito rin g and Analy zin g Switch Op eration 17 Monitoring and Analyzing Switch Operation Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-2 Status and Counte rs Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17- 3 Menu Access T[...]

17- 2 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Overv iew Monito ring and Anal yzing Sw itc h Oper ati on Overview The Switch 4 108GL has sev eral bui lt-in tools f or monito ring, anal yzing, a nd trouble shootin g switch an d netwo rk operat ion: ■ Status : Inc ludes op tions for displaying genera l switch in format ion, man - agement a[...]

17-3 Mon itori ng and Ana lyzing Switch Operat ion Statu s and Coun ters Dat a Mon ito rin g and Analy zin g Switch Op eration Status and Counter s Data This sectio n descr ibes the st atus an d count ers screen s avai lable thr ough the switch conso le interface and/ or the web b rowser inte rface. Note Y ou can access all console screen s from th[...]

17- 4 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Stat us and Co unt ers Dat a Monito ring and Anal yzing Sw itc h Oper ati on Menu Access T o Status and Counters Beginni ng at the Ma in Men u, display the St atus an d Counte rs menu by se lect- ing: 1. St atus an d Counter s Figure 17-1. The Sta tus and Counters Menu Each o f the ab ove menu[...]

17-5 Mon itori ng and Ana lyzing Switch Operat ion Statu s and Coun ters Dat a Mon ito rin g and Analy zin g Switch Op eration Genera l Syst em Informa tion Menu Access From the c onsole M ain Menu, selec t: 1. St atus an d Counter s 1. General Sy stem Information Figure 17-2. Example of General Switc h Infor mation This scree n dynami cally ind ic[...]

17- 6 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Stat us and Co unt ers Dat a Monito ring and Anal yzing Sw itc h Oper ati on Switch Management Address Informatio n Menu Access Fro m the Main Me nu, se lect: 1 Statu s and Coun ters . . . 2. Switch Manage ment Address Information Figure 17-3. Example of Management Address Information with VLA[...]

17-7 Mon itori ng and Ana lyzing Switch Operat ion Statu s and Coun ters Dat a Mon ito rin g and Analy zin g Switch Op eration Module Information Use this feat ure to dete rmine whi ch slots have modules in stalled and w hich type(s) of modules are in stalled. Menu: Displaying Port S tatus Fro m the Main Me nu, se lect: 1. Statu s and Co unters . .[...]

17- 8 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Stat us and Co unt ers Dat a Monito ring and Anal yzing Sw itc h Oper ati on Port Status The web br owser int erfac e and th e console in terfa ce show the same port status dat a. Menu: Displaying Port S tatus Fro m the Main Me nu, se lect: 1. Statu s and Co unters . . . 4. Por t Stat us Figur[...]

17-9 Mon itori ng and Ana lyzing Switch Operat ion Statu s and Coun ters Dat a Mon ito rin g and Analy zin g Switch Op eration V iewing Port and T runk Group Statisti cs and Flow Control Statu s These feat ures enable you to determ ine the traf fic patte rns for each port since the last re boot or re set of the switch. Y o u can d isplay: ■ A gen[...]

17- 10 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Stat us and Co unt ers Dat a Monito ring and Anal yzing Sw itc h Oper ati on Menu Access to Port and T runk Statistics T o a ccess this screen from the Main Menu, select: 1. Statu s and Co unters . . . 4. Port Count ers Fig ure 1 7-6 . Ex amp le of Po rt C oun ters on t he Men u In ter face T[...]

17- 11 Mon itori ng and Ana lyzing Switch Operat ion Statu s and Coun ters Dat a Mon ito rin g and Analy zin g Switch Op eration CLI Access T o Port and T runk Group Sta tistics T o Display t he Port Co unter Summary Re port. This com mand provides an ov ervie w of por t act ivit y for al l port s on the sw itch. Synta x: sho w int erf aces T o Dis[...]

17- 12 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Stat us and Co unt ers Dat a Monito ring and Anal yzing Sw itc h Oper ati on V iewing the Switch ’ s MAC Address T ables These fe atures h elp you to view: ■ The MAC addresses t hat the switch has lear ned from network devices attache d to the sw itch ■ The port on which each MA C addr [...]

17- 13 Mon itori ng and Ana lyzing Switch Operat ion Statu s and Coun ters Dat a Mon ito rin g and Analy zin g Switch Op eration Menu Access to the MAC Addr es s V iews and Searches Per - VLAN M AC-Addr ess V iewi ng and Sea rching . This f eature l ets y ou determine which swit ch port on a selected VLAN is bein g used to c ommuni- cate with a spe[...]

17- 14 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Stat us and Co unt ers Dat a Monito ring and Anal yzing Sw itc h Oper ati on Finding the Port C onnection f or a Spec ific Devic e on a VLAN. This featur e uses a device ’ s MAC address that you en ter to id entify th e port use d by th at devi ce . 1. P roceed ing fr om figu re 1 7-8, pres[...]

17- 15 Mon itori ng and Ana lyzing Switch Operat ion Statu s and Coun ters Dat a Mon ito rin g and Analy zin g Switch Op eration Figure 17-10.List ing MAC Addresses for a Specific Port 2. Use the Spa ce bar to select the port you want to l ist or se arch fo r MA C addresses, then press [En ter] to list the MAC addre sses detect ed on that por t. De[...]

17- 16 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Stat us and Co unt ers Dat a Monito ring and Anal yzing Sw itc h Oper ati on Correspond ing Port Number s. For example, to list the le arned MAC address on ports A1 throug h A4 and por t A6: HP4108> show mac-address a1-a4,a6 T o List All Le arned MAC Addresses on a VLAN, with Thei r Port N[...]

17- 17 Mon itori ng and Ana lyzing Switch Operat ion Statu s and Coun ters Dat a Mon ito rin g and Analy zin g Switch Op eration Spanning T ree Protoco l (STP) Information Menu Access to STP Data Fro m the Main Me nu, se lect: 1. Statu s and Co unters . . . 8. Span ning T ree Inf orma tion STP must be en abled on the switc h to display the followin[...]

17- 18 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Stat us and Co unt ers Dat a Monito ring and Anal yzing Sw itc h Oper ati on Figure 17-12.Exa mple of STP Port Information CLI Access to STP Data This option list s the STP conf igurat ion, root dat a, and per -port data (cost, priority , state, and de signated br idge). Synta x: show spann i[...]

17- 19 Mon itori ng and Ana lyzing Switch Operat ion Statu s and Coun ters Dat a Mon ito rin g and Analy zin g Switch Op eration Internet Group Ma nagement Protocol (IGMP) Status The switch use s the CLI to display the fol lowing IGMP status on a per -VLAN basis: For ex ample , suppo se tha t show ip igmp listed a n IGMP group address of 224.0.1 .2[...]

17- 20 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Stat us and Co unt ers Dat a Monito ring and Anal yzing Sw itc h Oper ati on VLAN Information The swi tch uses t he CLI to display the follow ing VLAN sta tus: For examp le, suppose th at your switc h has the follo wing VLANs: Ports VLAN VID 1 - 12 DEF AUL T_VLAN 1 1, 2 VLA N-33 33 3, 4 VLA N[...]

17- 21 Mon itori ng and Ana lyzing Switch Operat ion Statu s and Coun ters Dat a Mon ito rin g and Analy zin g Switch Op eration Listing th e VLA N ID (VID) and Statu s for Sp ecific Po rts. Figure 17-15. Example of VLAN Listing for Specific Ports Listin g Ind ividual VLA N Status. Figure 17-16. Example of Port Listing for an Individual VLAN Becaus[...]

17- 22 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Stat us and Co unt ers Dat a Monito ring and Anal yzing Sw itc h Oper ati on W eb Browser Interface Stat us Informatio n The “ home ” scre en for the we b brow ser interfac e is th e St atus Ove rview screen, as show n below . As the title implie s, it provides an overview of the status o[...]

17- 23 Mon itori ng and Ana lyzing Switch Operat ion Port M oni toring Feat ures Mon ito rin g and Analy zin g Switch Op eration Port Monitoring Features Port Moni toring Featu res Y ou can desi gnat e a po rt f or mo nitoring inco ming traf fic of o ne or more other ports on the switch. The switch mo nitors the net work activity by copying all tra[...]

17- 24 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Port Mon itori ng Featur es Monito ring and Anal yzing Sw itc h Oper ati on Menu: Configuring Port Monitori ng This proc edure de scribes co nfigurin g the swi tch for monit oring w hen moni- toring is disab led. (If monitoring has already be en enabled, the screens w ill appear differen tly [...]

17- 25 Mon itori ng and Ana lyzing Switch Operat ion Port M oni toring Feat ures Mon ito rin g and Analy zin g Switch Op eration Figure 17-19. How T o Select a Monitoring Port 5. Use the S pace bar to selec t the por t to use f o r moni toring. 6. U se t he do wn arro w ke y to mo ve the curs or to th e Action column for the indivi dual port s and [...]

17- 26 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Port Mon itori ng Featur es Monito ring and Anal yzing Sw itc h Oper ati on Y ou must use th e follow ing conf igurat ion seque nce to con figure p ort m onitor- ing in the CLI : 1. As sign a monitorin g (mir ror) po rt. 2. D esign ate the po rt(s ) to m onitor . Displaying the Port Mon itori[...]

17- 27 Mon itori ng and Ana lyzing Switch Operat ion Port M oni toring Feat ures Mon ito rin g and Analy zin g Switch Op eration Selecting o r Removing Por ts As Monitoring Sources. Aft er yo u confi g- ure a moni tor por t you ca n use ei ther the g lobal c onfigur ation lev el or the interfac e context level t o select port s as monitori ng sourc[...]

17- 28 Monit ori ng a nd A nalyzi ng Swit ch Oper atio n Port Mon itori ng Featur es Monito ring and Anal yzing Sw itc h Oper ati on T o remove port mo nitoring : 1. Cl ick o n t he Moni toring Off r adio button . 2. Clic k on [Apply Changes] . For web- based Help on how to use the web br owser inte rface scr een, click on the [?] button provid ed [...]

18-1 Trouble shootin g 18 T roublesh ooting Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-2 Troubleshooting Approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-3 Browser or Telnet Acc ess Problems . . . . . . . . . . . . . . . . . . . [...]

18- 2 Trou bles hootin g Overv iew Troub leshooti ng Overview Thi s chap ter addr esse s pe rfor manc e-rel ated ne twor k pr oblem s th at ca n be caused by top ology , switch config uration , and the e ffects of o ther dev ices or their conf iguration s on switch oper ation. (For switch-specif ic information on hardware proble ms indicate d by LE[...]

18-3 Trou bles hootin g Troub les hooting Approach es Trouble shootin g T roubleshooti ng Approach es Use th ese ap proach es to diag nose swi tch pr oblems : ■ Check the HP Pr ocurve websit e for softw are up dates t hat m ay have so lved your p roblem : http: //www . hp.com/g o/hpprocur ve ■ Check t he switch LE Ds for indicati ons of pro per[...]

18- 4 Trou bles hootin g Brow ser or Te lnet Acce ss Pro blems Troub leshooti ng Browser or T elnet Access Problems Cannot a ccess the web brow ser inter face: ■ Acc ess may be disabled by the W eb A gen t Ena bled paramete r in the switc h consol e. Check t he setting on this para meter by selecting: 2. Switch Con figuratio n . . . 1. Sy stem In[...]

18-5 Trou bles hootin g Bro wser or Te lnet A ccess P roble ms Trouble shootin g Cannot T e lnet int o the switch consol e from a station on th e network: ■ T elnet ac cess may be dis abled by th e Inbou nd T e lnet En abled parameter in the Sy stem Infor mation sc reen of th e menu i nterfac e: 2. Switch Con figuration 1. Sy stem Information ■[...]

18- 6 Trou bles hootin g Unus ual Net work Ac tivi ty Troub leshooti ng Unus ual Netwo rk Activi ty Netw ork ac tiv ity th at fa ils to meet accept ed nor ms may i ndica te a hardw are problem w ith one or mo re of the ne twork co mponent s, possibly includ ing the switch. Such problems can a lso be caused b y a networ k loop or simply too much tr [...]

18-7 Trou bles hootin g Unus ual Net work Acti vit y Trouble shootin g This can also happen, f or exampl e, if the server is first c onfigur ed to is sue IP addresse s with an unlim ited duratio n, then is subsequentl y config ured to issue IP addresses that will exp ire after a limit ed duration . One solution is to config ure “ reservat ions ?[...]

18- 8 Trou bles hootin g Unus ual Net work Ac tivi ty Troub leshooti ng One or more CDP neigh bors app ear inte rmittent ly or no t at a ll in the switch ’ s CDP Neighbors t able. Th is m a y b e c a u s e d by m o r e t h a n 6 0 n e i g h - borin g devices sen ding CDP packets to the swi tch. Exc eeding th e 60-neig hbor limi t can occ ur , f o[...]

18-9 Trou bles hootin g Unus ual Net work Acti vit y Trouble shootin g Problems Relat ed to Spanning-T ree Protocol (S TP) Caut ion If yo u enable STP , it is recom mende d that you le ave t he rema inder of th e STP parame ter setting s at their de fault values u ntil yo u have ha d an opportun ity to eva luate STP pe rforma nce in your networ k. [...]

18- 10 Trou bles hootin g Unus ual Net work Ac tivi ty Troub leshooti ng ■ If the ab ove met hod does not work, try elimin ating c onfigurat ion changes i n the swit ch that have not bee n saved to flash ( boot-up config uration) by causing t he switch t o reboot from the boot -up config uration ( which incl udes only t he conf igurat ion change [...]

18- 11 Trou bles hootin g Unus ual Net work Acti vit y Trouble shootin g ■ The time q uota for t he acco unt has been exhau sted. ■ The time cre dit for the accoun t has expired . ■ The acc ess attemp t is outsi de of the timeframe allowed for the accoun t. ■ The allowe d numbe r of conc urren t logins for t he ac count ha s be en exceed ed[...]

18- 12 Trou bles hootin g Unus ual Net work Ac tivi ty Troub leshooti ng ■ If the mon itor po rt is not a m ember of the sa m e VLAN as th e traffi c from the monito red port s, traffic from the monit ored ports doe s not go out the mo nito r po rt. None of the devices assigne d to one or more VLANs on an 802.1 Q- compliant switch ar e being re c[...]

18- 13 Trou bles hootin g Unus ual Net work Acti vit y Trouble shootin g redunda nt links to anot her switc h. If the other device send s traffic over multiple VLA Ns, its MAC address will consistent ly appear in multiple VLANs on the switch p ort to which it is linked. Note that att empting to cr eate redunda nt paths th rough the use of VLANs wil[...]

18- 14 Trou bles hootin g Unus ual Net work Ac tivi ty Troub leshooti ng ■ If the ab ove met hod does not work, try elimin ating c onfigurat ion changes i n the swit ch that have not bee n saved to flash ( boot-up config uration) by causing t he switch t o reboot from the boot -up config uration ( which incl udes only t he conf igurat ion change [...]

18- 15 Trou bles hootin g Unus ual Net work Acti vit y Trouble shootin g ■ The time q uota for t he acco unt has been exhau sted. ■ The time cre dit for the accoun t has expired . ■ The acc ess attemp t is outsi de of the timeframe allowed for the accoun t. ■ The allowe d numbe r of conc urren t logins for t he ac count ha s be en exceed ed[...]

18- 16 Trou bles hootin g Usin g the E vent L og To Id entif y Pr oble m Source s Troub leshooti ng Using the Event Log T o Identify Problem Sources The Event Log recor ds operating e vents as sin gle-line en tries listed in c hrono- logical order , and serv es as a tool for isola ting prob lems. Each E vent Log en try is compo sed of fiv e f ields[...]

18- 17 Trou bles hootin g Using the Event Lo g To Identi fy Prob lem Sourc es Trouble shootin g T able 18-1. Event Log Sy stem Modules Menu: Entering and Navigating in the Event Log Fro m the Main Me nu, se lect Event Log . Figure 18-3. Example of an Event Log Display Modu le Event De scriptio n Modu le Event Descri ption addrMg r Address tab le mg[...]

18- 18 Trou bles hootin g Usin g the E vent L og To Id entif y Pr oble m Source s Troub leshooti ng The log status line at the b ottom of the displa y identi fies whe re in th e sequen ce of event messages the displ ay is currentl y positio ned. T o displa y va rious port ions of the Eve nt L og, ei ther prec edin g or f ollo wing the curr ently vi[...]

18- 19 Trou bles hootin g Dia gnosti c Tool s Trouble shootin g Diagnostic T ools Diagnostic Fe atures Port Auto -Negotiati on When a link LE D does not light (indicat ing loss of link betw een two de vices), the m ost co mmon re aso n is a fa ilur e of po rt auto -ne goti ation betwe en the conne cti ng port s. If a li nk LED fa ils t o ligh t whe[...]

18- 20 Trou bles hootin g Diag nostic Too ls Troub leshooti ng Note T o respon d to a Pi ng test or a Link test, th e devic e you ar e trying t o reach must be IEE E 802.3 -comp liant. Ping T est. This is a test of the path between the switch and anot her devic e on the same or a nother I P networ k that ca n respo nd to IP pack ets (ICM P Echo Req[...]

18- 21 Trou bles hootin g Dia gnosti c Tool s Trouble shootin g W eb: E xecuting Ping or L ink T ests Figure 18-4. Link and Ping T est Screen on the Web Browse r Interface Successes indicates the numbe r of Ping or Link packets that successf ully compl ete d the m ost re cent test . Failures i ndica tes the numbe r of Ping or Link packet s that wer[...]

18- 22 Trou bles hootin g Diag nostic Too ls Troub leshooti ng Numb er of Pa ckets to Send is t he numb er of tim es you w ant the sw itch to attemp t to test a connectio n. T imeou t in Sec onds i s th e nu mber of s ec ond s to all ow p er a tte mp t to t est a connect i on befo re dete rmining that the curren t atte mpt has fai led. T o halt a L[...]

18- 23 Trou bles hootin g Dia gnosti c Tool s Trouble shootin g Link T ests. Y ou can issu e single or mult iple link tests with var ying repititi ons and time out perio ds. The defa ults ar e: ■ Repetit ions: 1 ( 1 - 9 99) ■ T ime out: 5 seconds ( 1 - 256 seconds) Synta x: link < mac-addr ess > [repetiti ons <1 - 999>] [timeout <[...]

18- 24 Trou bles hootin g Diag nostic Too ls Troub leshooti ng Displaying th e Configuration File The complet e switch conf iguration is contained in a file that you can bro wse from ei ther the w eb browser interf ace or th e CLI. It m ay be us eful in so me troubles hooting sce narios to v iew the swi tch configur ation. CLI: Vi ewing the Configu[...]

18- 25 Trou bles hootin g Dia gnosti c Tool s Trouble shootin g CLI Admin istrative and T roubles hooting Commands These c omman ds provide informat ion or p erform ac tions that you m ay find helpful in troublesh ooting op erating problems w ith the switch. Note For more on the CLI, ref er to chap ter 3, "Usin g the Comma nd Line Refe rence ([...]

18- 26 Trou bles hootin g Restor ing the Fact ory-De faul t C onfig ura tion Troub leshooti ng Restoring the Factory-Default Configuration As part of y our troubl eshooting process, it ma y become necessary to return the switch configu ration to the facto ry defa ult settings. Th is proc ess momen- tarily inte rrupts th e switch opera tion , clears[...]

18- 27 Trou bles hootin g Res torin g a Flas h Image Trouble shootin g Restoring a Flash I mage The switc h can lose it s op erat ing s yste m if ei th er th e prim ary or sec ondar y flash ima ge locatio n is empty or c ontains a cor rupted OS file and an operato r uses the era se fla sh com mand t o erase a go od OS i mage f i le fr om th e oppos[...]

18- 28 Trou bles hootin g Rest orin g a Flash Im age Troub leshooti ng 4. Sin ce the OS file is larage, you can increase the speed of the download b y chan ging the switch con sole and termina l emula tor baud rates to a hi gh speed . F or exam ple: a. Ch an ge th e swi tch ba ud rat e to 1 15,2 00 Bp s. => sp 115200 b. Chan ge the t ermina l em[...]

18- 29 Trou bles hootin g Res torin g a Flas h Image Trouble shootin g Figure 18-7. E xample of Xmodem Dow nload in Progress 8. When the download completes, th e switch reboots from primar y flash using the OS image y ou downloa ded in the pre ceding steps, plus the most recent st artup-c onfig file .[...]

18- 30 Trou bles hootin g Rest orin g a Flash Im age Troub leshooti ng[...]

A-1 File Transfe rs A File T ransfers Contents Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 Dow nload ing an O per atin g Sys te m (OS) . . . . . . . . . . . . . . . . . . . . . . . A-2 General OS Download Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

A-2 File T rans fers Overv iew File Transfers Overview Y ou can download new switch sof tware (o perati ng system — OS ) and up load or d ownload switch confi guratio n fil es. These features a re usefu l for acqui ring periodic switch soft ware up grad es and for sto ring or retrieving a switch config uration. This appendi x includ es the follow[...]

A-3 File T rans fers Downlo ading an Operati n g S ystem (OS) File Transfe rs Note Downloading a new OS does not chang e the curre nt switch c onfigur ation. The switch con figurati on is containe d in se parate file s that c an also be transfer red. See “ T ransf erring Swi tch Conf igurat ions ” on page A- 13. In most ca ses, if a power fa il[...]

A-4 File T rans fers Downl oading an Opera ting Sys tem (OS) File Transfers Menu: TF TP Dow nload from a Server to Primary Flash Note that the menu i nterfa ce accesses on ly the primar y flas h. 1. I n the consol e Main Menu, se lect Download OS to dis pla y th is scr een: Figure A-1. Example of the Download OS Screen (De fault V alues) 2. Press [[...]

A-5 File T rans fers Downlo ading an Operati n g S ystem (OS) File Transfe rs A “ prog ress ” bar i ndicate s the prog ress of the downl oad. When t he enti re OS file has been r eceived, all activ ity on the switc h halts and you w ill see V alid ating and writing sy st em software to FLASH... 7. Af ter the pr imary flash mem ory ha s been u p[...]

A-6 File T rans fers Downl oading an Opera ting Sys tem (OS) File Transfers 1. Ex ecut e copy as shown below: Fig ure A -3. Ex am ple of t he Co mma nd to D own load an OS 2. When the switch fin ishes dow nloading th e OS file from the se rver , it displays t his progress messag e: V a lidating and Writin g Sy ste m Softwar e to FLASH . . . 3. When[...]

A-7 File T rans fers Downlo ading an Operati n g S ystem (OS) File Transfe rs ■ The term inal e mulator you ar e using includes t he Xmod em bina ry tra nsfer feature. (For example, in the HyperT ermin al application included w ith W ind ows NT , you wou ld use the Sen d File option in the T ransfer dropdown menu.) Menu: Xmodem Downl oad to Prima[...]

A-8 File T rans fers Downl oading an Opera ting Sys tem (OS) File Transfers CLI: Xmodem Downl oad from a PC or Unix W orkstation to Primary or Second ary Flash Using Xmode m and a t erminal emul ator , yo u can d ownload an OS im age to eith er pri mar y or secon da ry fla sh. Synta x: copy xmodem flash [<pr imary | seconda ry>] Note that if [...]

A-9 File T rans fers Downlo ading an Operati n g S ystem (OS) File Transfe rs If you nee d informa tion on prim ary/sec ondary flash memo ry and th e boot comm ands , see “ Using Prim ary a nd Second ary F lash Im age O ptions ” on pa ge 5-11 . Switch-to-Switch D ownload Y ou can use TF TP t o tran sfer a n OS im age be tween t wo Sw itch 4 108[...]

A-10 File T rans fers Downl oading an Opera ting Sys tem (OS) File Transfers a. From the M ain Men u, sel ec t Status an d Counter s General Sy stem Information b. Chec k the Firmware re vision lin e. CLI: Switch-T o-Switch Downloads Y ou can download an OS image be tween two Swi tch 4108GLs c onnected o n your L AN by initiat ing a copy tftp comma[...]

A-11 File T rans fers Downlo ading an Operati n g S ystem (OS) File Transfe rs If you do not specify ei ther a pr imary or se condary flash loc ation for t he destin ation, t he download automa tically goes to pri mary flash . For exa mple , to downl oad an OS file f rom sec ondar y flash in a Sw itch 41 08GL with an IP addr ess of 10.2 8.2 27.10 3[...]

A-12 File T rans fers Trou bles hoot ing TFT P Down load s File Transfers T roublesho oting TF TP Downloa ds When using t he menu in terface, if a TF TP downloa d fails, the Downlo ad OS screen indicates the fa ilure. Figure A-6. Example of Message fo r Download Failure T o find more info rmatio n on the ca use of a do wnload f ailure, ex amine the[...]

A-13 File T rans fers Tran sferr ing S wit ch C onfigu rati ons File Transfe rs ■ For a Unix TF TP server , the file permissions for the OS file do not allow the fi le to be copied. ■ Anothe r conso le session (throug h eithe r a dire ct conn ecti on to a t ermina l device or thr ough T elnet) was al read y runnin g when y ou start ed the sessi[...]

A-14 File T rans fers Tran sferr ing Switc h Confi gurations File Transfers TF TP: Copying a Configuration File to a Remote Host. Synta x: copy <star tup-confi g | runnin g-confi g> tftp < ip- addr > < rem ote -fil e > This comma nd copi es the switch ’ s startu p configu rat ion (startup- conf ig file) to a remote TF TP hos t. [...]

A-15 File T rans fers Tran sferr ing S wit ch C onfigu rati ons File Transfe rs Xmodem: C opying a Configu ratio n File f rom a Serial ly Con nected PC or Unix W orkstation. T o us e this me thod, th e switch must be connecte d via the ser ial por t to a PC or Unix work station on w hich is stored the config uratio n file you want to co py . T o co[...]

A-16 File T rans fers Copy ing Di agno sti c Dat a to a Re mote Host , PC, or Unix W orks tat ion File Transfers Copying Diagnostic Data to a Remote Host, PC, or Unix W orkstation Y ou can use th e CLI to copy the fo llowi ng types of switch data to a text file in a ma nagem ent de vice: ■ Command Outp ut: Sends the output of a sw itch CL I co mm[...]

A-17 File T rans fers Copyin g Diagnos tic Dat a to a Remote Host, PC, or Unix Workstat ion File Transfe rs Copying Even t Log Output to a Destination Device This co mmand uses T F TP or Xm odem t o copy th e Event Log co ntent t o a PC or UNIX work station o n the netw ork. Synta x: copy event -log tftp < ip-add ress > < filepat h a nd fi[...]

A-18 File T rans fers Copy ing Di agno sti c Dat a to a Re mote Host , PC, or Unix W orks tat ion File Transfers Copying Cr ash Log Data Conten t to a Destination Device This comma nd us es TF TP or Xm odem to cop y the Crash Log co nten t to a PC or UNIX workst ation on the netwo rk. Y ou can copy individua l slot infor mation or th e master switc[...]

B-1 MAC Address Ma nagement B MAC Address Management Contents Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 Determi ning MAC Addr esses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2 Menu: View ing the Swit ch ’ s MAC Addresses . . . . . . . . . . .[...]

B-2 MAC Ad dres s Mana gemen t Determ ining MAC Addresses MAC Address M anageme nt Determining MAC Addresses MAC A ddres s Viewin g Met hod s ■ Use the menu interface to view th e swi tch ’ s base MAC address and the MAC addr ess assigned t o any non-de fault VLAN you have conf igured on the switch . Note Th e switch ’ s base MAC address is u[...]

B-3 MAC A ddres s Manag ement Determin ing MA C Address es MAC Address Ma nagement Menu: V i ewing the Switc h ’ s MAC Addresses The Management Address I nformation screen lists the MAC addresses for: ■ Base switch (default VLA N; VID = 1) ■ Any addit ional VLA N s co nfig ured on the sw itch. Also, the Base MA C address a ppears on a lab el [...]

B-4 MAC Ad dres s Mana gemen t Determ ining MAC Addresses MAC Address M anageme nt CLI: V iewin g the Port and VLA N MAC Addr esses The MAC ad dres s as sign ed to ea ch swi tch port is us ed in tern ally by su ch feature s as Flow Con trol and th e Spanning T ree Proto col. Using the walk mib comm and to determ ine the M AC add ress assign ments f[...]

B-5 MAC A ddres s Manag ement Determin ing MA C Address es MAC Address Ma nagement Figure B-2. Example of Port MAC Address Assignments ifP hy s Addre ss.22 6 & 2 37 M AC A ddres ses fo r non-defau lt VLAN s. ifPhy sAddress .1 - 6: Ports A1 - A6 in Slot 1 (Addresses 7 - 24 in s lot 1 and 25 - 48 in slo t 2 are unused .) ifPhy sAddress .49 - 51: [...]

B-6 MAC Ad dres s Mana gemen t Determ ining MAC Addresses MAC Address M anageme nt[...]

C-1 Daylight Savings Time on HP Pro curve Swit ches C Daylight Savings T ime on HP Procur ve Switches This information a pplies to the follow ing HP Procurve sw itches: HP Proc urve sw itches prov ide a wa y to automa tically adjust the sy stem c lock for Daylig ht Savi ngs T ime (DS T) chang es. T o use this feature y ou define the month an d date[...]

C-2 Daylig ht Savi ngs Ti me on HP Procurve Sw itche s Day light Savin gs Tim e on HP Pro curve Sw itches Middl e Europe a nd Portug al: • Begin DST at 2am t he firs t Sunday on or after March 25 th. • End DST a t 2am the f irst Sunda y on or after Sep tember 24 th. Southern He misphere: • Begin DST at 2am th e first Su nday on or after Oct o[...]

C-3 Day light Saving s Time on HP Pro curv e Swit che s Daylight Savings Time on HP Pro curve Swit ches Before c onfiguring a "User defined" Day light T im e Rule, it is impor tant to under stand how t he switch treat s the ent ries. The sw itch kno ws whi ch dates are S unday s, and uses an al gori thm to det ermin e on which date to cha[...]

[...]

Index – 1 Index Index Symbols => prompt … 18 -27 Numerics 802.1Q V LAN s tanda rd … 16-3 802.3u auto n egotiat ion standa rd … 11-3 A A.09 .70 router rele ase … 14-2 9 aaa aut hent icati on … 9-14 acce ss mana ger … 12-5 ope rato r … 12-5 access levels, authorized IP ma nagers … 10 -5 Actions line … 2-9 – 2-11 location on s[...]

2 – Index Index conf iguratio n, viewing … 12-19 effect o f spanning tree … 12-23 gene ral ope ratio n … 12-1 3 hold ti me … 12-2 3 IP ad dress in outbound pa cket … 12 -24 mib obj ects … 12-25 neighb or … 12-13 neighb or data … 12 -25 neighb or maximum … 12 -27 neighb or table … 12-17 neighb ors tab le … 12-19 neighb ors ta[...]

Inde x – 3 Index SNMP -ba sed … A-11 switch -to-switch … A-9 trouble shooting … A-12 Xmodem … A- 6 downl oad OS … A-9 downlo ad, TFT P … A-3 – A-4 dupli cate IP addres s effect on a uthorized IP mana gers … 10-13 dupli cate MAC addres s See MAC addr ess Dyn1 See LAC P E endi ng a co nsole session … 2-5 event log … 2-7, 18 -16 [...]

4 – Index Index H Help … 2-11 , 4-1 4 Help line, about … 2-9 Help line , locatio n on scre ens … 2-9 help, o n line i noperable … 4-14 HP ProCurve support U RL … 4-14 HP prop rietar y MIB … 12-3 HP Rou ter 44 0 … 14- 29 HP Rou ter 47 0 … 14- 29 HP Rou ter 48 0 … 14- 29 HP Rou ter 65 0 … 14- 29 HP TopTools See TopTools HP web b[...]

Inde x – 5 Index STP … 11-28 VLANs … 11-28 LACP, with CDP … 12-27 learn ing brid ge … 7-2 leave g rou p See IGMP legacy VLA N … 14-6 limit, broadca st … 11-9 link spee d, port trunk … 11-11 link test … 18-20 for troub leshooti ng … 18-19 link, serial … 6-3 load balanci ng See po rt trun k loop, network … 11-11, 16 -2, 16- 9 [...]

6 – Index Index if yo u lose the password … 4-12, 9- 6 incorrect … 9-5 length … 9- 5 lost … 4-12 mana ger … 4-9 ope rato r … 4-9 set … 2-7 setting … 4-10, 9-5 using to access b rowser and co nsole … 4-11 pat h cos t … 16-10 pin g tes t … 18-20 for troub leshooti ng … 18-19 port addre ss table … 17-13 auto ne gotiation ?[...]

Inde x – 7 Index quick start … iii, 7-4 R reboo t … 2-8, 2- 10, 2 -12 , 14-36 reboo t, actions causing … 5-3 reco nfigure … 2-10 redun dant path … 16 -2, 16- 9 spanning tre e … 16-3 report See IGMP reset … 2 -12, 5- 9 Reset button rest orin g fac tor y defau lt confi gurat ion … 18 -26 reset port counters … 17-9 resetting the sw[...]

8 – Index Index stacki ng benefits … 13 -4 – 13-5 mini mum softwa re version, oth er HP switch es … 13-10 prim ary … 13-47 standa rd MIB … 12-3 start ing a cons ole sess ion … 2-4 stat ic VLAN, co nvert to … 14-30 statis tical sa mpling … 12-2 statistics … 2-7, 17-3 stat istics, cle a r count ers … 2-12, 5- 9 status and counte[...]

Inde x – 9 Index selec ting … 8-3 vie wing an d configuri ng, m enu … 8-14 viewi ng, CL I … 8-16 times ync, disa bli ng … 8-19 Time -To-Live … 7 -3, 7-5 top talke r … 11-30 TopTools … 1-6 TopToo ls sys tem requ irem ents … 4-5 TopTo ols, main scree n … 1-6 traffic analysis … 12 -2 traffic monito ring … 12-2, 12- 4 traffic, m[...]

10 – I ndex Index maximu m, GVR P … 14-42 monit ori ng … 17-2 multiple … 12-2 multiple VLANs on port … 14-25 notes on using … 14-10 number all owed, in cluding dyn amic … 14-14 OS dow nload … A-3 port as signme nt … 14-1 4 port con figur ati on … 1 4-2 6, 18-1 2 port m onitoring … 14-28 port restriction … 14-29 port tru nk ?[...]

Index – 11 Index write m emory, ef fect on menu interf ace … 2-13 X Xmodem OS dow nload … A- 6[...]

[...]

T echnical inf orma tion in this doc ument is subj ect to c hange wit hout no tice . ©Cop yr ight Hew lett-P ac kar d Compan y 2001. All r ight r eserv ed. Rep r oductio n, ada ptatio n, or tr anslation with out pr ior wr it ten per mission is prohib ited ex cept as allo wed un der the cop yr ight law s. Pr oduct o f U .S .A. Apr il 2001 Manual P [...]