HP (Hewlett-Packard) 4000M manuel d'utilisation

Less W ork, More Network HP ProCurve Switches 1600M, 2424M, 4000M, and 8000M Management and Configur ation Guide http://www.hp.com/go/procurve HP ProCurve Switches and Hubs[...]

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HP P roCurve S witches 1600M, 24 24M, 4000M, and 8000M Management and Configuration Guide[...]

Hewlet t-Pack ard Compa ny 8000 Foo thills Boul evard, m/s 5552 Rosev ille, C alifo rnia 95 747-5 552 http://ww w.hp.com /go/procur ve © Copyright 19 99 Hewlet t-Packard Com pany All Rights Re served. This docume nt contains informa tion which is protected b y copyright. Reproduction, adapta tion, or translation without prior permission is prohibi[...]

iii Pref ace Preface Use of This Guide and Other ProCur ve Switch Documentation This guide de scribes how t o use the brow ser interfac e and console in terface for the HP ProC urve Switch es 160 0M, 2424 M, 400 0M, an d 800 0M - herea fter referr ed to indiv idually as the “ Switch 1600 M, Swi tch 2424M, Swi tch 4000M , and Swi tch 8000M” and [...]

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v Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Use of This Guide an d Other ProCur ve Switch Docume ntation . . . . . . iii 1 Select ing a Mana gement Interf ace Understand ing Management Inte rfaces . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Advantag[...]

vi Suppor t URLs Featur e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 Support URL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 Management Server URL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 The Web B rowser In terfac e Sc[...]

vii Commands Available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15 Set and Show Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17 Set Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17 Show Commands . . . . . . . . . . . . . . . .[...]

viii Config uring IP Auth orized Mana gers in the Web Browser Int erface 6- 23 Configurin g IP Auth orized Manag ers in the Con sole Interface . . . . . 6-23 Building IP Masks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24 Config uring One St ation Per Au thori zed Manage r IP Entry . . . . 6-25 Configurin [...]

ix Configuring VLAN Parameters fr o m the Switch Console . . . . . . . . . 6-56 To Activate VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-56 Adding or Editing VLAN Names . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-58 Adding or Changing a VLAN Port Assignment . . . . . . . . . . . . . . . 6-60 VLAN T[...]

x How IGMP Operates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-100 Role of the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10 1 Number of IP Multicast Addresses Allowed . . . . . . . . . . . . . . . . 6-104 Interaction with Multicast Traf fic/Security Filters. . . . . . . .[...]

xi Supporti ng CoS with an 802.1Q Tagged VLA N Environm ent . . . . . 6-151 Using the Default VLAN to Create a Sing le Tagged VLAN . . . . 6-151 Operating and Troubleshooting Notes . . . . . . . . . . . . . . . . . . . . . . . . 6-152 7 Monitorin g and Analyzing Switch Operation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

xii Unusual Networ k Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5 General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5 Automatic Broadcast Control Problems . . . . . . . . . . . . . . . . . . . . . 8-6 IGMP-Related Problems . . . . . . . . . . . . . . . . . . [...]

xiii B MAC Address Management Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 Determi ning the M AC Addresse s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 The Base and VLAN MAC Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . B-2 Switch Port MAC Ad[...]

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1-1 Sele cting a Mana gement Interface 1 Selecting a Management Interface This chap ter descr ibes the foll owing: ■ Manage ment int erfac es for th e Swit ches 1600 M/2424 M/400 0M/8000 M ■ Advantag es of using e ach interfac e Understanding Management Interfaces Manage ment i nterfa ces enabl e you t o reco nfigu re the switch and to moni tor[...]

1-2 Selec ting a Ma nagem ent Inter face Advant ages of Using the HP We b Browse r Inter face Sele cting a Manag ement Int erfa ce Advantages of Using the HP W eb Browser Interface Figure 1-1. Example of the HP We b Browser Interface Display ■ Easy access to the swit ch from anyw here on the ne twork ■ Familia r browser i nterface --locations o[...]

1-3 Sele cting a Mana gemen t Inte rface Advan tages of Usin g the Switch Con sole Sele cting a Mana gement Interface Advantages of Using the Switch Console Figure 1-2. Exampl e of the Console Interf ace Display ■ Contains a complete set of feature s and parameters ■ Out-of -band acces s (throug h RS-232 connectio n) to switch , so network bott[...]

1-4 Selec ting a Ma nagem ent Inter face Advant ages of U sing HP Top Tool s for Hubs & Sw itches Sele cting a Manag ement Int erfa ce Advantages of Using HP T opT ools for Hubs & Switches Y ou c an operate HP T opT ool s from a PC on the ne twork to monitor traffic, manage y our hubs and swit ches, and proa ctively recom mend netw ork chan[...]

1-5 Sele cting a Mana gemen t Inte rface Advan tages of Using H P TopToo ls for H ubs & Swit ches Sele cting a Mana gement Interface ■ Ident ifies users by port and lets you a ssign easy- to-reme mber n ames to any n etwork device . ■ Enables y ou to config ure and m onitor networ k devices f rom your P C. Network T raffic ■ W atches the [...]

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2-1 Configur ing an IP Address on the Switch 2 Configuring an IP Address on the Switch This chapter h elps yo u to quick ly assi gn an IP (I nterne t Protoc ol) ad dress and subnet mask to the switch. I n the factory d efault configurat ion, the switch does not have a n IP address and subnet mask, so it can be mana ged only by using a direct connec[...]

2-2 Config uring an I P Address on the S witch Metho ds for Confi guring an IP Addre ss and Subn et Mask Configur ing an IP Address on the Swit ch Methods for Configuring an IP Address and Subnet Mask If the switch has not already b een configur ed with an IP add ress and subnet mask com patible wit h your netwo rk, use eith er of the f ollowing t [...]

2-3 Conf igurin g an I P Ad dress on the Switch Man ually Co nfigu ring an IP Addr ess Configur ing an IP Address on the Switch Figure 2-1. T he Internet (IP) Service S creen 3. Press [E] to select E dit , then use the do wn arrow key ( [v] ) to selec t IP Config [D HCP/BOOT P] . 4. Use the Spac e b ar to di splay Manual for th is fie ld . 5. Pre s[...]

2-4 Config uring an I P Address on the S witch Manu ally Con figuri ng an IP Addre ss Configur ing an IP Address on the Swit ch Where T o Go From Here The above procedu re configu res your sw itch wi th an IP addre ss and subnet mask. With the pro per network connec tions, you can now manage t he switch from a netwo rk management station or from a [...]

3-1 Using the HP Web Browser Interface 3 Using the HP W eb Browser Interface Overview The HP we b browser i nterface buil t into the sw itch lets y ou easily a ccess the switch from a browser -based PC on your netw ork. This lets you do the following : ■ optimize your net work u ptime by using the Alert L og and o ther dia gnostic tools ■ make [...]

3-2 Using the HP Web Browser Interface Web B rowser Inte rfac e Requ irem ents Using the HP Web Browser Interface W eb Browser Interface Requirement s Y ou can use equipment meeting th e follow ing requirem ents to acc ess the web browser interfac e on your in tranet. T able 3-1. Sy ste m Requirements fo r Accessing the HP Web Browser Interface Pla[...]

3-3 Using the HP Web Browser Int erface Starti ng an HP Web Browse r Interface Se ssion with the Switc h Using the HP Web Browser Interface Starting an HP W eb Browser Interface Session with the Switch Y ou c an start a web bro wser session in t he following w ays: ■ Using a standalon e web brow ser on a networ k connec tion from a PC o r UNIX wo[...]

3-4 Using the HP Web Browser Interface Star ting an H P Web Brows er Inter face S essio n with the Swi tch Using the HP Web Browser Interface 2. T ype the IP address (or DNS name) of the switch in the browse r Location or Add ress field and pr ess [En ter] . (It is not necessary to i nclude http: // .) switch4000 [En ter] (example of a DNS-type nam[...]

3-5 Using the HP Web Browser Int erface Starti ng an HP Web Browse r Interface Se ssion with the Switc h Using the HP Web Browser Interface 3. The web br ow ser inte rface auto matica lly st arts with the St atus O vervie w window displayed for the selec ted device, as shown in f igure 3-1. Figure 3-1. Status Over view Screen Alert L og First-T ime[...]

3-6 Using the HP Web Browser Interface Tasks for Your Fi rst HP Web Browser Int erface Ses sion Using the HP Web Browser Interface T ask s for Y our First HP W eb Browser Interface Session The first ti me you access the we b browser inter face, there a re three tasks that you should pe rform: ■ Re vie w the “First T ime Insta ll” window ■ S[...]

3-7 Using the HP Web Browser Int erface Task s for You r First HP We b Browse r Inter face Se ssion Using the HP Web Browser Interface This wind ow is the launchin g point for t he basic conf iguratio n you need to perform t o set web browse r interface pa sswords to main tain securi ty and Fault Detection polic y , which d etermines the type s of [...]

3-8 Using the HP Web Browser Interface Tasks for Your Fi rst HP Web Browser Int erface Ses sion Using the HP Web Browser Interface Creating Usernames an d Passwords in the Browser Interface Y ou ma y want to cr eate bot h a username a nd password to cr eate ac cess security for your swi tch. There ar e two level s of access to th e interface that c[...]

3-9 Using the HP Web Browser Int erface Task s for You r First HP We b Browse r Inter face Se ssion Using the HP Web Browser Interface 2. Click in the appropr iate box i n the De vice Pa sswords w indow and enter user names an d passwords . Y ou will be required to repeat the passw ord strings in the co nfirmation boxes. Both the use r names and pa[...]

3-10 Using the HP Web Browser Interface Tasks for Your Fi rst HP Web Browser Int erface Ses sion Using the HP Web Browser Interface Online Hel p for the HP W eb Browser Interface Onl ine Hel p is ava ilable for t he web b rowser inter face. Y ou ca n use it by click ing on the qu estion ma rk in the upper right co rner of any of the web browser int[...]

3-1 1 Using the HP Web Browser Int erface Task s for You r First HP We b Browse r Inter face Se ssion Using the HP Web Browser Interface Figure 3-4. How T o Access Web Browser Interfa ce Online Help If you do not ha ve HP T o pT ool s for Hubs and Swi tches installed on your network and d o not have a n active conn ection to t he W orld W ide W eb,[...]

3-12 Using the HP Web Browser Interface Suppor t UR Ls Feat ure Using the HP Web Browser Interface Support U RLs Featu re The Suppor t/Mgmt UR Ls window e nables you to change the W orld Wide W eb Universal Re source Loca tor (URL ) for two fu nctions: ■ Suppor t URL – a support information site fo r your switch ■ Management S erver URL – t[...]

3-1 3 Using the HP Web Browser Int erface Suppor t URLs Fe ature Using the HP Web Browser Interface Click on the [Support] butto n on that pa ge and yo u can get to suppor t inform ation regar ding your switch, inc luding whit e papers, operating system (O S) upd ates, and mo re. Y ou c ould instea d enter the UR L for a local site that you use for[...]

3-14 Using the HP Web Browser Interface The Web B rowser Interf ace Scr een Lay out Using the HP Web Browser Interface The W eb Browser Interface Screen Layout This section describes the eleme n ts of the w eb b rowser interfac e screen layout starting with t he first scr een you see, the Status, Overview wind ow . The Overview W indow The O vervie[...]

3-1 5 Using the HP Web Browser Int erface The Web Br owser Inter face Screen L ayout Using the HP Web Browser Interface ■ Ta b B a r. The row of tabs displayi ng all the top le vel menus for the web browser interface . ■ Active T ab. The cu rren t tab s electe d. The tab is da rken ed an d all the buttons u nder the tab are displayed. ■ Statu[...]

3-16 Using the HP Web Browser Interface The Web B rowser Interf ace Scr een Lay out Using the HP Web Browser Interface The Port Utilization and Status Displa ys The Port Utili zation and Status displays show an overview of the status of th e switch and the amount of networ k activit y on each port. Th e following figure shows a sample readi ng of t[...]

3-1 7 Using the HP Web Browser Int erface The Web Br owser Inter face Screen L ayout Using the HP Web Browser Interface A network utilization of 40% is considered t he maximum t hat a typical Ethern et-type networ k can exper ience be fore en counte ring perfor mance difficulties. If you observe utilization t hat is consistently higher than 40% on [...]

3-18 Using the HP Web Browser Interface The Web B rowser Interf ace Scr een Lay out Using the HP Web Browser Interface Port Sta tus The Port Stat us indic ators show a symb ol for each port that indicates th e general st atus of the por t. There are f our possible stat uses: ■ Port Conne cted – the port is enable d and is properl y connected t [...]

3-1 9 Using the HP Web Browser Int erface The Web Br owser Inter face Screen L ayout Using the HP Web Browser Interface Figure 3-10. The Alert Log Each al ert has the fo llowing fiel ds of inform ation: ■ Status – The lev el of severity of the ev ent genera ted. Severity levels can be In formation, N ormal, W arning, and C ritical. If the aler [...]

3-20 Using the HP Web Browser Interface The Web B rowser Interf ace Scr een Lay out Using the HP Web Browser Interface Alert T ypes The follo wing table li sts the types of a lerts that ca n be generated. T able 3-2. Alert Strings an d Descriptions Alert Stri ng Alert Descrip tion First T ime In stall Import ant ins tallation informati on for yo ur[...]

3-2 1 Using the HP Web Browser Int erface The Web Br owser Inter face Screen L ayout Using the HP Web Browser Interface Note When troubleshoo ting the sources of a lerts, it may b e helpful to chec k the switch’ s Port St atus and Por t Counter windows (pag e 7-8 and pa ge 7-10) a nd the Ev ent Lo g in the c onsole i nterf ace (p age 8- 12). V ie[...]

3-22 Using the HP Web Browser Interface The Web B rowser Interf ace Scr een Lay out Using the HP Web Browser Interface The Alert Cont rol Bar The Ale rt Cont rol Ba r appear s at the b otto m of the A lert Log and co ntains buttons tha t enable y ou to manage the Overview Window . The but tons in t he cont rol bar are: ■ Refres h – re draws the[...]

3-2 3 Using the HP Web Browser Int erface The Web Br owser Inter face Screen L ayout Using the HP Web Browser Interface The T ab Ba r The T ab ba r in the web browse r interface con tains six tabs, f our of which launch button ba rs which launch sp ecific f unction al wind ows. One tab, Iden - tity , lau nches a dedic ated function al window w ith [...]

3-24 Using the HP Web Browser Interface The Web B rowser Interf ace Scr een Lay out Using the HP Web Browser Interface Configuration T ab Thi s tab di splays the Con figur ation Bu tton b ar whic h contai ns butt ons th at launch scr eens for setting or cha nging some of the swi tch configura tion. The buttons are: ■ Device V iew . Displays a gra[...]

3-2 5 Using the HP Web Browser Int erface The Web Br owser Inter face Screen L ayout Using the HP Web Browser Interface Security T ab This tab disp lays the Se curity Button bar w hich conta ins buttons t hat enable you to view an d set s witch secur ity f eatures . The b utto ns disp layed ar e: ■ Device P asswords. Enables yo u to set op erator[...]

3-26 Using the HP Web Browser Interface The Web B rowser Interf ace Scr een Lay out Using the HP Web Browser Interface Support T ab This tab displays t he web page for support in formation . The UR L for this page is set in the Config uration | Suppor t/Mgmt URLs option. By default, it is set to Hewlett- Packard’ s ProCurve we b site, bu t you ca[...]

3-2 7 Using the HP Web Browser Int erface The Web Br owser Inter face Screen L ayout Using the HP Web Browser Interface ■ System Nam e. The name you have c onfigured f or the switch in the Iden tity sc reen or thro ugh the s witc h console Sy stem Information screen. ■ Most Cr itical Al ert Descript ion. A short narr ative d escription of t he [...]

3-28 Using the HP Web Browser Interface The Web B rowser Interf ace Scr een Lay out Using the HP Web Browser Interface T o pro vide the most informat ion on netwo rk problem s in the Alert Log, the recomm ended sensitivity leve l for Log Net work Proble ms is High Sensitivity . T he Fault Detec tion settings are: ■ High Se nsitivity . This policy[...]

4-1 Using the Switch Cons ole Int erfa ce 4 Using the Switch Console Interface This chap ter describes the following features: ■ overvi ew of the swi tch co nsole (p age 4-1) ■ star ting a nd end ing a cons ole se ssion (page 4-2) ■ the Mai n Menu ( page 4-4 ) ■ screen structure and naviga tion (p age 4-6) ■ using passw ord secur ity (pag[...]

4-2 Using the Sw itch Console Inte rface Star ting and Ending a Consol e Sessio n Usin g the Swit ch Conso le Interface Starting and Ending a Console Sessio n Y ou c an access th e switch co nsole interf ace using eith er: ■ a direc t serial connec tion to th e switch’ s conso le port, a s describe d in the installation guide you received w ith[...]

4-3 Usin g the Swi tch Con sole In terf ace Start ing and Endin g a Consol e Session Using the Switch Cons ole Int erfa ce • If no password ha s been set, you will see t his prompt: Press any key to continue. Press any key to displa y the Main Menu (f igure 4-1). If there is any system- down information to rep ort, the switch displays it in thi s[...]

4-4 Using the Sw itch Console Inte rface Main Me nu Featur es Usin g the Swit ch Conso le Interface Main Menu Features Figure 4-1. The Main Menu The Ma in Menu give s you access to these conso le interfa ce features: ■ Stat us and Count ers: Provides acce ss to di splay screens providing information on switch and port stat us, network activity , [...]

4-5 Usin g the Swi tch Con sole In terf ace Main M enu Feature s Using the Switch Cons ole Int erfa ce ■ Event Log: Enables y ou to read progress and error messages that are useful for c hecking and troubleshoot ing switch operation. (R efer to “Using th e Event Log T o Iden tify Problem Sou rces” in chapter 8, “T r ou- bleshoot ing”.) ?[...]

4-6 Using the Sw itch Console Inte rface Scre en Struc ture and Navi gation Usin g the Swit ch Conso le Interface Screen Structure and Nav igation Console sc reens incl ude these three eleme nts: ■ Param eter f ields an d/or read-o nly in forma tion su ch as s tatis tics ■ Navigati on and configur ation ac tions, such as Sav e, Edit, and Canc e[...]

4-7 Usin g the Swi tch Con sole In terf ace Scre en Struc ture and Navi gation Using the Switch Cons ole Int erfa ce T able 4-1. How T o N avigate in the Console T ask: Actions: Execu te an acti on from the “ Actions – >" list at the bot tom of the scre en: Use ei the r of t he fo llo wing methods : • Use th e arrow key s ( [<] ,or[...]

4-8 Using the Sw itch Console Inte rface Scre en Struc ture and Navi gation Usin g the Swit ch Conso le Interface T o get Hel p on indiv idual parame ter descr iptions. In all screens except the Co mmand P rompt s creen there i s a Help optio n in the Actions line. Whenever any of the i tems in the Actions line is highlig hted, press [H] , and a se[...]

4-9 Usin g the Swi tch Con sole In terf ace Using Pa ssword Security Using the Switch Cons ole Int erfa ce Using Password Security There a re two level s of consol e access: Manage r and Oper ator . For security , you can set a password on e ach of these le vels. T o use password securit y: 1. Set a Manager password ( and an Operat or password , if[...]

4-10 Using the Sw itch Console Inte rface Using Pa ssword Secu rity Usin g the Swit ch Conso le Interface Note If there is only a Manage r password set (with no Ope rator password) , and the Manager password is not e ntered co rrectly w hen t he consol e session begins, the sw itch ope rates on th e Op erator level. If ther e are bo th a M anager p[...]

4-1 1 Usin g the Swi tch Con sole In terf ace Using Pa ssword Security Using the Switch Cons ole Int erfa ce 2. T o set a new password: a. Select Se t Manager Password or Set Operator Passwo rd . Y ou will then be prompte d with Enter n ew password . b. T y pe a password of up to 16 ASC II characters with no spa ces and press [Ent er] . (Remember t[...]

4-12 Using the Sw itch Console Inte rface Reboot ing the Switch Usin g the Swit ch Conso le Interface Rebooting the Switch Rebo oting the switc h term inates the cu rrent co nsole sessio n and per forms a reset o f the operat ing system. Reb ooting the swi tch also ac tivates certai n config uration cha nges that require a reboot and resets statist[...]

4-1 3 Usin g the Swi tch Con sole In terf ace Reboot ing the Switc h Using the Switch Cons ole Int erfa ce Rebooting T o Activate Configura tion Changes. Configura tion chang es for some pa rameters become e ffective as soon as you save them. However , yo u must rebo ot the sw itch in orde r to imp lemen t any ch ange s to any parame ters in the f [...]

4-14 Using the Sw itch Console Inte rface The Comman d Promp t Usin g the Swit ch Conso le Interface The Command Prompt In additi on to the menu- based par t of the co nsole interfac e, under t he Diag- nostics Me nu, a command-l ine based inte rface is ava ilable. The co mmands ar e prima rily fo r the expe rt user and for diagn osti cs purpo ses,[...]

4-1 5 Usin g the Swi tch Con sole In terf ace The Co mmand P rompt Using the Switch Cons ole Int erfa ce Commands A vai lable The follow ing comm ands are ava ilable from the comm and promp t (this informati on can also be displa yed by ent ering help or he at the co mmand prompt. When y ou see -- MORE -- at the bottom of the screen: ■ T o advanc[...]

4-16 Using the Sw itch Console Inte rface The Comman d Promp t Usin g the Swit ch Conso le Interface Ping pi ng < ip-ad dr> [co unt] [wai t] ; Sends IP ’Ec ho Request’ pac kets to the device identif ied by <ip-addr > . count sets the n umber of packet s, wait sets the time to wait for a r esponse in seconds. Prin t prin t <cm d&g[...]

4-1 7 Usin g the Swi tch Con sole In terf ace The Co mmand P rompt Using the Switch Cons ole Int erfa ce Set and Show Commands Most of the com mands at the comm and prompt are useful for diagnostics purposes, b ut the set command s can be used to conf igure some of th e switch’ s basic featu res, and the show commands can be use d to display swit[...]

4-18 Using the Sw itch Console Inte rface The Comman d Promp t Usin g the Swit ch Conso le Interface Show Com mands T able 4-3. Sho w Commands Availa ble at th e Command Prompt set sy stem set sy stem <par ameter > ; Configures the switch identification parameters, where <para meter> can b e: • conta ct <contact -name> -- sets a[...]

5-1 Monit oring and Managing the Switc h 5 Using HP T opT oo ls or Other SN MP T ools T o Monitor and Manage the Switch Y ou c an manage the switch via SNMP from a network ma nagement st ation. Include d with your switch is a CD-ROM c ontainin g a copy of HP T opT oo ls for Hubs & Switche s, an easy-to-in stall and use ne twork manage ment appl[...]

5-2 Using HP TopTo ols or O ther SNMP Tools T o Monitor and Ma nage the Switch SNMP Ma nagemen t Feature s Moni toring a nd Managi ng the Switc h ■ Monitor ing data normall y associated wi th the SNMP ag ent (“Get” operation s). Supported St andard MIBs include: • Bri dge MIB ( RFC 1493) dot1dBase, dot1 dTp, dot1dStp • Eth ernet MAU M IB [...]

5-3 Usin g HP TopTo ols or Ot her SNMP Tools To Mo nitor an d Manage t he Switch SNMP Conf igurati on Pr ocess Monit oring and Managing the Switc h SNMP Configuration Process This requ ires that you configu re the switch with the approp riate IP add ress. (Refe r to chapt er 2, “C onfigur e an IP A ddress on the Swi tch”. If you are us ing DHCP[...]

5-4 Using HP TopTo ols or O ther SNMP Tools T o Monitor and Ma nage the Switch Advan ced Manageme nt: RMON and HP Exte nded RMO N Support Moni toring a nd Managi ng the Switc h Caut ion Deleting the c ommunity named “public ” disables man y network mana gement functions ( such as auto-d iscover y, traffic monit oring, and threshold set ting). I[...]

6-1 Configurin g the Switc h 6 Configu ring th e Swit ch Overview This chapt er describes t he switch configura tion fea tures ava ilable in bot h the swit ch cons ole and t he HP we b brows er inter face. I f you nee d inform ation on how to operate eith er the we b browser interface or the conso le, refer t o: ■ Chap ter 3, “Using t he HP W e[...]

6-2 Config uring the Switch Overv iew Configurin g the Switc h Configuratio n Features T able 6-1. Configu rabl e Feature C ompariso n Feature Switch Consol e We b Browser Page Authe ntica tion T raps/ T r ap Rece iver s Ye s —6 - 1 7 Authori zed IP M anagers Y es Y es 6-21 Automa tic B roadc ast Contro l (A BC) Y es Y e s 6-106 Class of Serv ice[...]

6-3 Config uring the Sw itch Overvi ew Configurin g the Switc h Note In the factory de fault config uration , the Spannin g T ree Protocol (STP—whic h automa tically blo cks redund ant links) is disab led. Gener ally , yo u should enable STP to prev ent broad cast storms if th ere are re dundant link s in your network t hat are n ot part of a swi[...]

6-4 Config uring the Switch IP Confi gurat ion Configurin g the Switc h IP Configuration Configurin g the switc h with an IP a ddress expand s your ability to manage the switch, and also e nhances the sw itch featur es that can be used. The sw itch con sole scr een enables y ou to configure the initial value s for: ■ IP addr ess, subnet mask, and[...]

6-5 Config uring the Sw itch IP Configu ration Configurin g the Switc h Configuri ng IP Addressing from the W eb Browser Interface Figure 6-7. Configuring IP Addressing on the Web Browser Inte rface 3. If mult iple VLANs are configured, sele ct a VLAN. 4.T o enable m anual entry of th e IP address, set this to “Manu al”. 5. Enter an IP address [...]

6-6 Config uring the Switch IP Confi gurat ion Configurin g the Switc h Configuri ng IP Addressing from the Switch Co nsole Y ou c an use the co nsole to manua lly config ure an IP addr ess, subnet ma sk, and a Gate way IP address (i f needed). Or , you ca n use DHCP/Bo otp to configure IP from a DHCP or Bootp serve r . (T o use the DHCP/Bo otp opt[...]

6-7 Config uring the Sw itch IP Configu ration Configurin g the Switc h Figure 6-8. Example of the IP Service Configura tion Scree n 2. Press [E] (for E dit ). 3. At th e T ime Pr otoco l Conf ig field, if you want the switch to obtain its system time f rom a T im ep serv er , and th e ser ver i s con figured corr ectly , keep the valu e as DHCP , [...]

6-8 Config uring the Switch IP Confi gurat ion Configurin g the Switc h 9. If you wan t to reach off-sub net destina tions, select the Gatew ay field a nd enter th e IP address of the gate way router . 10. Press [Enter] , then [S] (for S ave ). 11. Re turn to th e Main M enu. How IP Addressing A ffects Switch Operation W ithou t an IP address and s[...]

6-9 Config uring the Sw itch IP Configu ration Configurin g the Switc h DHCP/Bootp Operation Overview DHCP/Bo otp is use d to dow nload c onfigurat ion data from a DHCP or Bootp server respe ctively to the swit ch or to a VLAN config ured on the switch. With DHCP you can have th e switch automati cally retrie ve the IP address with no config uratio[...]

6-10 Config uring the Switch IP Confi gurat ion Configurin g the Switc h DHCP Opera tion. A significant difference between a DHC P conf iguration and a Bootp config uration is that an IP ad dress as signmen t from a DHCP server is automa tic, requirin g no configur ation of the DHCP ser ver . Using that auto matic f eatur e, tho ugh, t he addre ss [...]

6-1 1 Config uring the Sw itch IP Configu ration Configurin g the Switc h An en try in the B ootp table file /etc/bootptab to tell the switch or VLAN where to obta in a c onfigura tion file downlo ad wo uld be similar to thi s entry: j4121switch: ht=e ther: ha=040009123456: ip=55.66.77.88: sm=255.255.248.0: gw=55.66.77.1: lg=11.22.33.44: T1[...]

6-12 Config uring the Switch IP Confi gurat ion Configurin g the Switc h Configurin g DHCP/Bootp In its default co nfiguration, t he switch is configure d for DHCP/Boo tp opera- tion. Howeve r , if an IP address has pre viously been configure d or if the IP Config paramete r has been set to Disabled , then yo u will need to use this procedu re to r[...]

6-1 3 Config uring the Sw itch IP Configu ration Configurin g the Switc h Globally A ssigned IP Network Addresses If you intend to connect yo ur netw ork to other networks tha t use globally admin istered I P addre sses, He wlett -Pack ard stron gly rec ommen ds that y ou use IP addresse s that have a net work ad dress assigned to you. There is a f[...]

6-14 Config uring the Switch SNMP Communities Configurin g the Switc h SNMP Communities From the switch co nsole onl y you can add, edit, or de lete SNMP commun i- ties. U se this feat ure to re strict acce ss to the swit ch by SNMP management stations . Y ou can config ure up to five SNMP com munities, each w ith eit her an oper ator -leve l or a [...]

6-1 5 Config uring the Sw itch SNMP Communities Configurin g the Switc h T o V iew , Edit, or Add SNMP Communities: 1. From th e Console M ain Menu, Se lect: 2. Switch Manage ment Access Configura tion (IP , SNMP , Console)... 2. SNMP Co mmunit y Names /Auth oriz ed Mana gers Figur e 6-9. The SN MP Commu nities Screen (D efaul t V alu es) 2. From t[...]

6-16 Config uring the Switch SNMP Communities Configurin g the Switc h Figure 6-10. The SNMP Add or Edit Screen Note In the default con figura tion, no manage r addresse s are config ured. In this case, al l managem ent stations using the co rrect com munity name may access the switch with the co rrespondin g View and Access lev els. If you wan t t[...]

6-1 7 Config uring the Sw itch Trap Re ceivers Configurin g the Switc h T rap Receivers From the sw itch cons ole onl y you to c onfigure up to ten IP manag ement stations ( trap receivers ) to receive SNMP trap packet s sent from the switch . T ra p packets descri be specific eve nt types. (These event s are the same as th e log messa ges displaye[...]

6-18 Config uring the Switch Trap Re ceiv ers Configurin g the Switc h 2. Press [E] (for E d it). Th e cu rsor mo ves to th e Send Authentica tion T rap s field. 3. Press t he Space bar to en able (Y es) or di sable (No ) sending authenticat ion traps, then press [T a b] to move the cursor to th e Address fie ld. 4. T ype in the IP address of a net[...]

6-1 9 Config uring the Sw itch Cons ole/S erial L ink Configurin g the Switc h Conso le/Serial Link From the sw itch cons ole onl y you c an configu re the fo llowing con sole termi nal emul ation and co mmunic ation ch arac terist ics: ■ Enab le or disa ble inb ound T elnet acc ess (d efault : enab led) ■ Enab le or disa ble HP web brow ser in[...]

6-20 Config uring the Switch Cons ole/S erial L ink Configurin g the Switc h Configuri ng the Console/ Serial Link from the Swit ch Console This screen allo ws you to: ■ Enable o r disable inb ound T e lnet an d web browser in terfa ce access ■ Determine wh ich log events will be displayed ■ Modify conso le and serial li nk paramet ers T o Ac[...]

6-2 1 Config uring the Sw itch Enhanc ing S ecurity By Confi gurin g Autho rized I P Manage rs Configurin g the Switc h Enhancing Security By Configuring Authorized IP Managers This fe ature enabl es you to en hance se curity on the switch by using IP addresse s to authorize whic h stations (PCs or workstations) are allowe d to: ■ Access the swit[...]

6-22 Config uring the Switch Enha ncing Se curit y By Conf iguri ng Aut horize d IP Ma nagers Configurin g the Switc h Defining Author ized Management Statio ns ■ Auth oriz ing Si ngle Sta tions : T he tab le ent ry auth oriz es a si ngle man - agement sta tion to have IP access to the switch. T o use this met hod, just enter the IP address of an[...]

6-2 3 Config uring the Sw itch Enhanc ing S ecurity By Confi gurin g Autho rized I P Manage rs Configurin g the Switc h Configuri ng IP Authorized Managers in the W eb Browser Interface Figur e 6- 13. Examp le of an A uthor ized IP M anag er L ist wi th Ma nage r and Ope rator Assignments Configuri ng IP Authorized Managers in th e Console Interfac[...]

6-24 Config uring the Switch Enha ncing Se curit y By Conf iguri ng Aut horize d IP Ma nagers Configurin g the Switc h Figur e 6- 14. Examp le o f Ho w T o Add an Au thor ized Mana ger E ntr y Figur e 6- 15. Examp le o f Ho w T o Add an Au thor ized Mana ger E ntr y (Co ntin ued) Editing o r Deleting an Authori zed Manager Entry . Go to the IP Mana[...]

6-2 5 Config uring the Sw itch Enhanc ing S ecurity By Confi gurin g Autho rized I P Manage rs Configurin g the Switc h Configurin g O ne Station Per Au thorized Manager IP Entry This is the ea siest way to a pply a ma sk. If you have te n or fewer manageme nt and/o r operator statio ns, you ca n configur e them quick ly by simp ly adding the addre[...]

6-26 Config uring the Switch Enha ncing Se curit y By Conf iguri ng Aut horize d IP Ma nagers Configurin g the Switc h T ab le 6-3. Analy sis of IP Mask for Multiple- Station Entries Figur e 6-1 6. Examp le of Ho w the Bitmap in the I P Mask D efine s Auth oriz ed Manage r Addresses 1st Octet 2nd Octet 3rd Octet 4th Octet Manager-Lev el or O perat [...]

6-2 7 Config uring the Sw itch Enhanc ing S ecurity By Confi gurin g Autho rized I P Manage rs Configurin g the Switc h Additi onal Examp les for Authoriz ing Multipl e Stations Operating an d T roublesh ooting Notes ■ Networ k Security Precaution s: Y o u can enhance yo ur network’ s secu- rity by keeping p hysical acce ss to the switch r estr[...]

6-28 Config uring the Switch System In formation Configurin g the Switc h System Information From the web brows er inte rface and the sw itch co nsole y ou can confi gure basic switch manag ement in form ation , incl uding sy stem da ta, ad dress ag ing, and time zone parame ters. Configur ing System Parameters from the W eb Browser Interface In th[...]

6-2 9 Config uring the Sw itch System Informat ion Configurin g the Switc h Configuri ng System Information fr om the Console T o Access System Information: 1. From th e Console M ain Menu, Sele ct... 3. Switch Con figuration... 1. Sy ste m Information Figure 6-18. The Sy stem Configura tion Scr een (Default Values) Note T o help simp lify administ[...]

6-30 Config uring the Switch Port Settings Configurin g the Switc h Port Settings From the web browser interfac e and swit ch con sole you ca n config ure the op erating stat e for each port. Also optional ly enables you to re strict the amount o f broadcast t raffic on the por t. The rea d-only fields in this scree n display the port numbers a nd [...]

6-3 1 Config uring the Sw itch Port Settin gs Configurin g the Switc h Note Broadcast lim it (the Bcast Limi t paramet er) can be set for all por ts in the switch (or VLAN, if VLA Ns are config ured) from the Automatic B roadcast Control (ABC) screen (page 6-106 and follow ing) if ABC is ena bled. Setting the broa dcast limit in the web brow ser in[...]

6-32 Config uring the Switch Port Settings Configurin g the Switc h Configuri ng Port Parameters from the W eb Browser Interface Figure 6-19. Exampl e of Port Configura tion Screen on the W eb Browser Inter face Figure 6-20. Example o f Port Mod ification Scre en on the W eb Browser Inte rface 2. Cli ck Here 1. Cl ick Here 3. Sele ct a port to co n[...]

6-3 3 Config uring the Sw itch Port Settin gs Configurin g the Switc h Configuri ng Port Parameters from t he Swit ch Console T o Access Port Settings: 1. From th e Console M ain Menu, Se lect: 3. Switch Con figuration... 2. Port Setti ngs Figure 6-21. Example of the P ort Setting s Screen 2. Press [E] (for E dit). The cursor move s to the En able [...]

6-34 Config uring the Switch Networ k Moni toring P ort Fea tures Configurin g the Switc h Network Monitoring Port Features From the web browser interf ace and switch con sole y ou can d esign ate a port for mo nitoring traffic on one or mor e other ports or o n a VLAN con figure d on the switch. The switch monito rs the netw ork activit y by copyi[...]

6-3 5 Config uring the Sw itch Network Mo nitori ng Port Fe ature s Configurin g the Switc h Figure 6-23. Selecting the Po rt(s) T o Monito r Figure 6-24. Selecting a VLAN T o Monitor • T o monitor a si ngle por t, click on that po rt, the n click on Apply Ch anges. • T o monito r a seve ral ports: a. Press and hol d [Ct rl] . b. Click on the p[...]

6-36 Config uring the Switch Networ k Moni toring P ort Fea tures Configurin g the Switc h Configuri ng Port Monitoring from the Swit ch Console T o Access Port Monitoring: This proced ure descr ibes configu ring the switch for monito ring whe n moni- toring is disabled . (If monitoring has alre ady been enabled, the screens will appear differently[...]

6-3 7 Config uring the Sw itch Network Mo nitori ng Port Fe ature s Configurin g the Switc h Figur e 6-26. Exa mple of Select ing a Mo nitori ng Port 5. Use the Spac e bar to select whic h port to use for the monit oring port, th en press [v] to move to the Monitor parame ter . (The default setting is Po rts , which yo u will use if you wa nt to mo[...]

6-38 Config uring the Switch Networ k Moni toring P ort Fea tures Configurin g the Switc h Figure 6-27. Exampl e of Selecting a VLAN to Monito r 7. Retur n to the Main Menu. Example of a VLAN Monitoring Pa rameter Note: This scre en appea rs inst ead of the one i n figur e 6-20 if the Monitor par ameter is set to VLAN[...]

6-3 9 Config uring the Sw itch Span ning Tree P rotoc ol (STP ) Configurin g the Switc h Spanning T ree Protoco l (STP) The switch use s the IEEE 802.1 D Spanning T ree Protocol (ST P), when enab led, to ensure that o nly one path at a time is active be tween a ny two n odes on the netwo rk. (A switch mesh doma in is seen as one pa th by STP .) In [...]

6-40 Config uring the Switch Span ning T ree P rotocol (ST P) Configurin g the Switc h Enabling STP from the W eb Browser Interface This proced ure enab les or disables STP on the switch. Figure 6-28. Configuring STP from the Web Browser Int erface 1. Click Here 2. Click Here 3. T o enable or disa ble STP , click on the drop-d own menu, then click [...]

6-4 1 Config uring the Sw itch Span ning Tree P rotoc ol (STP ) Configurin g the Switc h Configuri ng STP from the Switch Console In most cases, the default ST P paramete r settings are adequ ate. In cases where they are not, use this p rocedure t o make conf iguration c hanges. Caut ion If you e nable STP , it is rec ommende d that y ou leav e the[...]

6-42 Config uring the Switch Span ning T ree P rotocol (ST P) Configurin g the Switc h 5. Us e [T ab] or the arrow keys t o select the ne xt parameter y ou want to chang e, then type in the new value or press the Space Bar to select a value . (If you need inf ormation on S TP param eters, press [Enter ] to select th e Actions line, then press H to [...]

6-4 3 Config uring the Sw itch Span ning Tree P rotoc ol (STP ) Configurin g the Switc h STP Fast Mode For standa rd STP oper ation, when a networ k connectio n is established on a device that is runnin g STP , the port u sed for th e connect ion goes th rough a sequence of states (Listening and Learning) be fore getting to its final state (Forwar [...]

6-44 Config uring the Switch Span ning T ree P rotocol (ST P) Configurin g the Switc h 4. Repe at st eps 2 a nd 3 f or al l the s wit ch por ts you want t o chan ge t hat are connec ted to end nodes. 5. When you ha ve finished the config uration cha nges, press [Enter] to retu rn to th e Actio ns line and pr ess [S] to sav e the new con figuration.[...]

6-4 5 Config uring the Sw itch Span ning Tree P rotoc ol (STP ) Configurin g the Switc h STP Operation with S witch Meshing As noted earlier in this section, STP sees a switch mesh domain as a single path. This make s switch meshing a useful tool for pr eventing ST P from blocking redundant physical links in separate VLA Ns. (A switch m esh domai n[...]

6-46 Config uring the Switch Traffi c/Sec urity F ilter Fea tures Configurin g the Switc h T raffic/Security Filte r Features From the sw itch cons ole onl y , you can enhanc e bandwidt h usage a nd in- band secu rity on the switc h by config uring static pe r -port filters to forwa rd desired tra ffic or drop unw anted traff ic, as descr ibed belo[...]

6-4 7 Config uring the Sw itch Traf fic/Sec urit y Filter Feature s Configurin g the Switc h Figure 6-32. The T ra ffic/Security Filters List Scree n (Default V alues) 2. In the A ctions line, press [A] (for A dd ) to display t he T raf fic/Securit y Filters Configura tion scree n shown in figure 6- 32. Figure 6-33. Exampl e of the T ra ffic/Securi[...]

6-48 Config uring the Switch Traffi c/Sec urity F ilter Fea tures Configurin g the Switc h 3. Press the S pace bar t o select the type of filte r you want t o configur e. The options ar e: • M ultica st (the default ) •P r o t o c o l • Source P ort 4. Press [v] once to highligh t the next line. D epending on the type of filter you selected i[...]

6-4 9 Config uring the Sw itch Traf fic/Sec urit y Filter Feature s Configurin g the Switc h b. Press the Spa ce bar to se lect the filt er action for that por t ( Forward filtered packe ts--the default --or Drop fil tered packets). c. Do one of the following : – T o con figure the filter action f or anothe r destinatio n port, retu rn to step a.[...]

6-50 Config uring the Switch Traffi c/Sec urity F ilter Fea tures Configurin g the Switc h Caut ion If Spanning T ree is enab led, then the Spanning T ree multicast MA C addres s should not be filtered . (STP will not op erate prop erly if the multicast M AC addre ss is f ilter ed.) Protoc ol F ilters This filter ty pe enables t he switch to r estr[...]

6-5 1 Config uring the Sw itch Port-Based Virt ual LANs (VLANs) Configurin g the Switc h Port-Based Virtual LANs (VLANs) A VLAN is a group of ports designa ted by the switch as belonging to the sam e broadca st domain . (That is, all ports c arrying t raffic for a particula r subnet address would normally belong to the same VLAN.) Using a VLAN, you[...]

6-52 Config uring the Switch Port-Based Virtua l LANs (VLANs) Configurin g the Switc h Figure 6-35. Example of Routing Between VL ANs via an External Router Overlapp ing (T agge d) VLANs. A por t on the Switch es 1600M/242 4M/ 4000M /8000M ca n be a memb er of more than one V LAN if the d evice to whic h they ar e connected comp lies with the 80 2.[...]

6-5 3 Config uring the Sw itch Port-Based Virt ual LANs (VLANs) Configurin g the Switc h Similarly , using 802.1Q -compliant switc hes, you can con nect multiple VLANs through a sin gle switch-to-switch li nk. Figur e 6-37. Ex ample of Connec ting Multi ple VLANs Throu gh the Sa me Link Introduci ng T agged VLAN T echnology into Net works Running L[...]

6-54 Config uring the Switch Port-Based Virtua l LANs (VLANs) Configurin g the Switc h Overview of Using V LANs VLAN Support and the Default VLAN In the fa ctory de fault con figura tion, VLAN support is de- activa ted an d all the ports are onl y in the swit ch physica l broadcast domain, wh ich is given the name DEFAU L T_VLAN . Y ou can partitio[...]

6-5 5 Config uring the Sw itch Port-Based Virt ual LANs (VLANs) Configurin g the Switc h ■ If you enable VLAN suppo rt and co nfigure VLAN s, then subs equently disable VLAN suppo rt, all VLANs e xcept the DEF AUL T_VLAN will be cleared fro m the switch and all por ts will be reassigned to the default VLAN. Depend ing on the networ k topology , t[...]

6-56 Config uring the Switch Port-Based Virtua l LANs (VLANs) Configurin g the Switc h Configuri ng VLAN Parameters from the Sw itch Console In th e factor y defau lt sta te, VL ANs ar e disabl ed and all p orts bel ong to t he same broadcas t/multicast domain. This do main is called DEFAUL T_VLAN and appear s in the “VLAN Nam es” screen afte r[...]

6-5 7 Config uring the Sw itch Port-Based Virt ual LANs (VLANs) Configurin g the Switc h 2. Press [En ter] or [1] to sel ect VLAN Supp ort and you will se e a screen with the Activat e VLANs field set to No . 3. Press [E] (for E dit ), then press the Sp ace bar to sele ct Ye s . 4. Pr ess th e [T ab] or Down Arrow [v] key to reveal the T otal Numbe[...]

6-58 Config uring the Switch Port-Based Virtua l LANs (VLANs) Configurin g the Switc h Note After the rebo ot, all chan ges to the VL AN configur ation, incl uding addin g and deleting VLA Ns, changing por t assignments, and conf iguring various features on the VLA Ns are dynamic a nd requir e no additiona l switch reb oot. 8. Add one or more new V[...]

6-5 9 Config uring the Sw itch Port-Based Virt ual LANs (VLANs) Configurin g the Switc h 3. T ype the name (up to 12 char acters, w ith no spac es) of a new VLAN that you wan t to add. 4. Press [v] to move the c ursor to the 802.1Q VLAN ID line and type in a VL AN ID n umber , then pre ss [Enter] . (This can be any number be tween 1 an d 4095 that [...]

6-60 Config uring the Switch Port-Based Virtua l LANs (VLANs) Configurin g the Switc h Adding or Changing a VLAN Port A ssignment Use this proce dure to add po rts to a VLAN or t o change the VLAN assign- ment(s) for any por t. (Ports no t specific ally assigned to a VL AN are aut omat- ically in the defaul t VLAN.) 1. From the M ain Menu s elect :[...]

6-6 1 Config uring the Sw itch Port-Based Virt ual LANs (VLANs) Configurin g the Switc h 2. T o change a po rt’ s VLAN assig nment( s): a. Press [E] (f or E dit ). b. Use the ar row k eys to select a VLA N assi gnme nt you w ant to chan ge. c. Pre ss th e Space bar to make y our as signm ent se lecti on ( No , Ta g g e d , or Untagged ). Note Onl[...]

6-62 Config uring the Switch Port-Based Virtua l LANs (VLANs) Configurin g the Switc h VLAN T agg ing Information VLAN tagg ing enabl es traffic fro m more tha n one VLAN to use the sam e port. (Even whe n two or more VLANs use the same port the y remain as sep arate domai ns and cannot rece ive traf fic from each ot her without going throug h a ro[...]

6-6 3 Config uring the Sw itch Port-Based Virt ual LANs (VLANs) Configurin g the Switc h ■ In switch X: • VLANs assigne d to ports X1 - X6 ca n all be untag ged because there is only one V LAN assignme nt per port. Red VL AN traffic wi ll go out only the Red por ts; Green VLAN traffic wi ll go out only the Green ports, and so on. Dev ices conne[...]

6-64 Config uring the Switch Port-Based Virtua l LANs (VLANs) Configurin g the Switc h Figure 6-46. Example of VLAN ID Numbers Assigned in the VLAN Names Screen VLAN tag ging gives you se veral opti ons: ■ Since the pu rpose of VLAN tagging is to allow mult iple VLANs on t he same port, any port that has only one VLAN assigne d to it ca n be conf[...]

6-6 5 Config uring the Sw itch Port-Based Virt ual LANs (VLANs) Configurin g the Switc h Figure 6-47. Example of N etworked 802.1Q-Compliant D evices with Multiple VLANs on Some Ports The VLANs assigne d to ports X3, X4, Y2, Y3, and Y4 ca n all be untagged because th ere is only on e VLAN assig ned per port. Po rt X1 has multiple VLANs assigned, wh[...]

6-66 Config uring the Switch Port-Based Virtua l LANs (VLANs) Configurin g the Switc h To s u m m a r i z e : Effect of VLANs on Other Switch Fe atures Spanning T ree Protocol Operation with VL ANs Because the Switche s 1600M/24 24M/4000M/800 0M follow th e 802.1Q VLAN recomm endatio n to use single-i nstance spannin g tree, STP o perates ac ross t[...]

6-6 7 Config uring the Sw itch Port-Based Virt ual LANs (VLANs) Configurin g the Switc h VLAN MAC Ad dresses The switch has one uniq ue MAC ad dress for each of its VLAN int erface s. Y ou can send an 802. 2 test packet to this MAC addr ess to verify connecti vity to the switch. Likewise , you can assig n an IP address t o the VLAN interf ace, and [...]

6-68 Config uring the Switch Port-Based Virtua l LANs (VLANs) Configurin g the Switc h VLAN Restricti ons ■ A port must be a membe r of at least on e VLAN. In the f actory defaul t config uration, all po rts are assign ed to the de fault VLAN (DEF AUL T_ VLAN). ■ A port ca n be as signed to sev eral VLA Ns, but only o ne of tho se ass ign- ment[...]

6-6 9 Config uring the Sw itch Port-Based Virt ual LANs (VLANs) Configurin g the Switc h HP Router Requireme nts. Use the Hewlett-Packard version A.09.70 (or later) router OS release if any of the following Hewlett-Packard routers are installed in networks in which you will be using VLANs: HP Router 440 (forme rly Rout er ER) HP Router 470 (forme r[...]

6-70 Config uring the Switch Load Balancin g: Port Trunking Configurin g the Switc h Load Balancing: Port T runkin g Figure 6-48. Conceptu al Illustration of Port T runking Port trunk ing allows up to f our ports to be co nnected tog ether to func tion as a single, highe r -speed link that dra matically increases band width. This capa - bility can [...]

6-7 1 Config uring the Sw itch Load B alanc ing: Port Trunki ng Configurin g the Switc h are even ly distribu ted across the links in a trunk. In ac tual networ king environme nts, this is rarely a problem. Howeve r , if it becomes a probl em, you can use the HP T opT ools for Hub s & Sw itches ne twork ma nagement software avail able fr om Hew[...]

6-72 Config uring the Switch Load Balancin g: Port Trunking Configurin g the Switc h then port A3 will b e a member of the Blu e VLAN instead of the ori ginal Red VLAN. However , if filters were in use on port A3, it will return to filtering as it did before join ing the trunk: • If, for exampl e, port A3 wa s configure d with filter s to dro p s[...]

6-7 3 Config uring the Sw itch Load B alanc ing: Port Trunki ng Configurin g the Switc h T runk Configuration Opti ons There a re three tru nk config uration ty pes from whi ch to select : Configuri ng Port T runks from the Switch Console Impo rtant No te. Use this proce dure to conf igure po rt trunking befor e you connec t the trunked links betwe[...]

6-74 Config uring the Switch Load Balancin g: Port Trunking Configurin g the Switc h Figure 6-49. Example of the Screen for Configu ring Ports for Load Balancing[...]

6-7 5 Config uring the Sw itch Load B alanc ing: Port Trunki ng Configurin g the Switc h 4. In the Group co lumn, move the curso r to th e port you want to configure . 5. Use the Space bar (o r type the trunk name, such as trk5 ) to choose a trunk assi gnment for th e sele cted por t. • All ports in a trunk sho uld have the same me dia type and m[...]

6-76 Config uring the Switch Load Balancin g: Port Trunking Configurin g the Switc h 6. Move the cu rsor t o the T ype colu mn for th e sel ected port and use the Space bar to select the trunk t ype: – T runk (Source A ddress/Destina tion Add ress trunk; the de fault type if yo u do not select a type)— page 6-77 . – SA-T runk (Sourc e-Address[...]

6-7 7 Config uring the Sw itch Load B alanc ing: Port Trunki ng Configurin g the Switc h Operating Information This section describes port usage and how traffic is distrib uted by the various trunking opt ions. T runk Operation Using the “T runk” Option This method provides the be st means for evenl y distributin g traffic over trunked link s t[...]

6-78 Config uring the Switch Load Balancin g: Port Trunking Configurin g the Switc h T runk Operation Using the “SA- T runk” O ption This option is le ss efficien t than the SA/DA option de scribed abov e. However , it is useful for trunking to devices that do no t have built-in support fo r the SA/DA-tr unking me thod. Config uring th e SA-T r[...]

6-7 9 Config uring the Sw itch Load B alanc ing: Port Trunki ng Configurin g the Switc h T runk Operation Using the “FEC” Option This is the most flex ible method f or distributi ng traffic o ver trunked lin ks when c onnecting to dev ices tha t use t he FEC (F ast E therChann el ® ) technol- ogy . HP FEC trunks offer t he following bene fits:[...]

6-80 Config uring the Switch Load Balancin g: Switch Mesh ing Configurin g the Switc h Load Balancing: Switch Meshing Switch meshing is a load -balanc ing technol ogy that enh ances relia bility an d perfor mance in these way s: ■ Provides sig nifican tly better bandwidth ut ilization than eithe r Spanning T ree Protocol ( STP) or standard port t[...]

6-8 1 Config uring the Sw itch Load Balancin g: Switch Meshing Configurin g the Switc h Findin g the Fa stest P ath. Using mu ltiple switches redundantly lin ked together to form a meshed switch domain , switch meshin g dynamically distri butes traff ic acros s load -bal anced s witch path s by seek ing the fa stest paths for new traffic betw een n[...]

6-82 Config uring the Switch Load Balancin g: Switch Mesh ing Configurin g the Switc h Switch Meshing Funda mentals Meshed Switch Doma in. This is a gr oup of switch es exchanging meshing protocol pa ckets. Pat hs between t hese switc hes can ha ve multi ple redunda nt lin ks witho ut cre ating b roadc ast stor ms. A me shed s witch ca n have s ome[...]

6-8 3 Config uring the Sw itch Load Balancin g: Switch Meshing Configurin g the Switc h Figure 6-55. Example of Multiple Mesh ed Switch Domains Separated by a Non- Mesh Switch or a No n-Mesh Link Configura tion Requirements. Before configuring switc h meshing on any ports in the Sw itch es 1600 M/24 24M/40 00M /8000M , it is necess ary to activ ate[...]

6-84 Config uring the Switch Load Balancin g: Switch Mesh ing Configurin g the Switc h Furthe r Informatio n: ■ For fur ther opera ting inform ation an d restric tions, ref er to “Ope rating Notes for Swit ch Meshing ” on page 6-8 7. ■ For further explanation a nd examples of sw itch meshing, refe r to HP’ s Network City sit e at the foll[...]

6-8 5 Config uring the Sw itch Load Balancin g: Switch Meshing Configurin g the Switc h Figure 6-56. Example of the Screen for Configu ring Ports for Load Balancing 4. In t he Group column, move the curso r to the port you want to assign to the switch mesh. 5. Use the Spac e b ar (o r pre ss [M] ) to ch oose Mesh for th e selected por t. If you are[...]

6-86 Config uring the Switch Load Balancin g: Switch Mesh ing Configurin g the Switc h Figure 6-57. Example of Mesh Group Assignments for Several Ports 6. When you are finished assigning ports to the sw itch mesh, press [Ent er] , then [S] (for S ave ) and return to the Ma in Menu. Note For meshed po rts, leav e the “T ype” setting blank. (Mesh[...]

6-8 7 Config uring the Sw itch Load Balancin g: Switch Meshing Configurin g the Switc h Operating Notes for Switch Meshing In a switch mesh domai n traffic is distri buted across the av ailable paths with an effort to keep latenc y the same from path to path. Th e path selected at any time for a co nnectio n between a sourc e node and a destinatio [...]

6-88 Config uring the Switch Load Balancin g: Switch Mesh ing Configurin g the Switc h Figure 6-58. Example of a Broad cast Path Through a Swit ch Mesh Domain Any me sh switches t hat are not edge switches wi ll flood th e broadcast p ackets only thro ugh ports (pa ths) that link to se parate edge switches in the con trolled broadca st tree. The ed[...]

6-8 9 Config uring the Sw itch Load Balancin g: Switch Meshing Configurin g the Switc h retai n device addr esses longer . Because the switches in a mesh exchan ge address infor mation, this will h elp to decrease the nu mber of unic ast packets with unknow n destinat ions, which will improve l atency w ithin the me sh. Also, in an IP env ironm ent[...]

6-90 Config uring the Switch Load Balancin g: Switch Mesh ing Configurin g the Switc h Figure 6-60. Connecting a Switch Mesh Domain to Non-Meshed Device s STP should be configu red on non- mesh devices that use redund ant links t o interconn ect with other device s or with multiple switc h mesh domains. For exam ple: Figure 6-61. Interconnecting Sw[...]

6-9 1 Config uring the Sw itch Load Balancin g: Switch Meshing Configurin g the Switc h Caut ion Because the switch au tomatically gi ves faster lin ks a higher pr iority , the defaul t STP parame ter setti ngs are u sually ade quate fo r spanning tree operation . Because incorrect STP setti ngs can adv ersely aff ect netwo rk performa nce, you sho[...]

6-92 Config uring the Switch Load Balancin g: Switch Mesh ing Configurin g the Switc h Figure 6-62. VLAN Operatio n with a Switch Me sh Domain Using Automatic Broadcast Control In M eshed Switches T o a void du plicate replie s, switch m eshing does not allow A BC pro xy replies from wi thin a switch mesh. However , an edg e switch can learn of th [...]

6-9 3 Config uring the Sw itch Load Balancin g: Switch Meshing Configurin g the Switc h Figure 6-63. Exampl e of a Ba ckbone Usin g the Ma ximum Number of Meshed Switche s ■ Mesh Support W i thin the Domain : All switches in the mesh domain, including ed ge switches , must support the HP switch meshing pr otocol. For fur ther in formation , conta[...]

6-94 Config uring the Switch Load Balancin g: Switch Mesh ing Configurin g the Switc h ■ Connecting Mesh Domains: T o c onnect two separate switch meshing domains, yo u must use non -meshed por ts. (The non-m eshed link can be a port trun k or a single link.) Refer to fi gure 6-55 on page 6-83. ■ Fast EtherChanne l ® (FEC): This ca nnot be con[...]

6-9 5 Config uring the Sw itch IP Multica st (IGMP) F eatur es—Mu ltimed ia T raffic Cont rol Configurin g the Switc h IP Multicast (IGMP) F eatures— Multimedia T raffic Control In a n etwork where IP multicast traffic is t ransmitted fo r various mul timedia applica tions, you can use the swit ch to reduc e unnece ssary bandw idth usage on a p[...]

6-96 Config uring the Switch IP Mul ticast (IGMP) F eatu res—Mul timedia Tr affic C ontrol Configurin g the Switc h Configuri ng IGMP from t he W eb Browser Interface Figure 6-65. Configuring IGMP on th e Web Browser Interfac e 4. T o enable or disable IGMP , click on the drop-d own menu, click on your select ion (On or Off), and then click on Ap[...]

6-9 7 Config uring the Sw itch IP Multica st (IGMP) F eatur es—Mu ltimed ia T raffic Cont rol Configurin g the Switc h Para mete r Descriptio n Multi cast Fi lteri ng (IGMP) Defaul t: Off Determ ines wh ether t he swit ch or VLA N uses I GMP on a per-port basi s to manag e IP Mu ltica st tra ffic . If mul tiple VLAN s are c onfig ured, you ca n c[...]

6-98 Config uring the Switch IP Mul ticast (IGMP) F eatu res—Mul timedia Tr affic C ontrol Configurin g the Switc h Configur ing IGMP fr om the Swit ch Consol e In the fact ory default configurat ion, IGMP is disabled. If mult iple VLANs are config ured, you c an config ure IGMP on a per -VLA N basis. Whe n you use ei ther the cons ole or the web[...]

6-9 9 Config uring the Sw itch IP Multica st (IGMP) F eatur es—Mu ltimed ia T raffic Cont rol Configurin g the Switc h Figure 6-66. Example o f the (D efault) IGMP Service Scre en 2. Pre ss th e Spac e bar to sel ect Ye s (t o enabl e IGM P). 3. Us e [v] to hi ghli ght the Forward with High Priority parame ter . 4. If yo u want IGMP tra ffic to b[...]

6-100 Config uring the Switch IP Mul ticast (IGMP) F eatu res—Mul timedia Tr affic C ontrol Configurin g the Switc h How IGMP Operates The Intern et Group Mana gement Prot ocol (IGMP) is an internal pro tocol of the Inter net Protocol (IP) suite. IP manages multi cast traffic b y using switches, multica st routers, and hosts that support IGM P . [...]

6-101 Config uring the Sw itch IP Multica st (IGMP) F eatur es—Mu ltimed ia T raffic Cont rol Configurin g the Switc h Role of the Switch When IGMP is enabled on the switch, it examine s the IGMP packets it receives : ■ T o le arn whic h of its po rts are li nked to I GMP hosts and multicas t router s/ queriers belon ging to any multic ast grou[...]

6-102 Config uring the Switch IP Mul ticast (IGMP) F eatu res—Mul timedia Tr affic C ontrol Configurin g the Switc h Figure 6-67. The Advanta ge of Using IGMP The ne xt figure (6-68) shows a network r unning IP multica sting usin g IGMP without a mult icast router . In this c ase, the IGMP-con figured swi tch runs as a quer ier . PCs 2, 5, a nd 6[...]

6-103 Config uring the Sw itch IP Multica st (IGMP) F eatur es—Mu ltimed ia T raffic Cont rol Configurin g the Switc h Figure 6-68. Isolating IP Multica st T raffic in a Net work ■ In the abo ve figure, the mult icast group traf fic does not go to switch 1 and beyond b ecause ei ther the port on swit ch 3 that c onnects to sw itch 1 ha s been c[...]

6-104 Config uring the Switch IP Mul ticast (IGMP) F eatu res—Mul timedia Tr affic C ontrol Configurin g the Switc h Note: IP Mult icas t Filte rs. IP multicast addr esses occu r in the range f rom 224. 0.0.0 t hrough 23 9.25 5.255. 255 (w hich cor respon ds to the Eth ernet m ulti- cast addres s range of 01005e- 000000 throug h 01005e-7fffff ). [...]

6-105 Config uring the Sw itch IP Multica st (IGMP) F eatur es—Mu ltimed ia T raffic Cont rol Configurin g the Switc h Changing the Querier Co nfiguration Setting The Querier feat ure, by defaul t, is enable d and in mos t cases shoul d be le ft in this s ettin g. If you need to ch ange the qu erie r sett ing, y ou can do s o usin g the IGMP Co n[...]

6-106 Config uring the Switch Automa tic B roadc ast C ontro l (A BC) F eatur es Configurin g the Switc h Automatic Broadcast Control (ABC) Features ABC red uces the a mount of IP an d/or IPX broadcas t traffic wi thin a broadc ast domai n without adding the levels of cost an d latency n ormall y associated with routers. T o get this result, th e s[...]

6-107 Config uring the Sw itch Automatic Broadc ast Contro l (ABC) Featu res Configurin g the Switc h Configuri ng ABC from the W eb Browser Interface 1.Cli ck Here 2. Cl ick Here 3. IF VLAN s are configu red, select VL AN. 4. E nable ABC Parameter Des cription VLAN Sele ctio n If mul tiple VLANs are config ured o n the swi tch, se lect the V LAN i[...]

6-108 Config uring the Switch Automa tic B roadc ast C ontro l (A BC) F eatur es Configurin g the Switc h Configuri ng ABC from the Switch C onsole In the fa ctory def ault con figurati on, ABC is disab led an d all broadc asts are sent out either all ports in the switch or , if VLANs are configured, ou t all ports in VLANs where ABC is enable d. I[...]

6-109 Config uring the Sw itch Automatic Broadc ast Contro l (ABC) Featu res Configurin g the Switc h T o Access ABC: 1. From the M ain M enu, Se lect: 3. Switch Config uration 5. Advanc ed Feature s 4. Automatic Broadcast Control (ABC) Figure 6-69. The Default ABC Screen (No VLANs Configure d) 2. If no VLANs a re configure d, go to step 3. If VLAN[...]

6-110 Config uring the Switch Automa tic B roadc ast C ontro l (A BC) F eatur es Configurin g the Switc h 5. Pr ess th e [>] key t o display the remainin g ABC para meters.Then d o one of the foll owing: • If you enabled A BC for IP_IP X and pressed [>] (figure 6-70 , below): Figure 6-70. ABC Enabled With Default IP_IPX Option (No VLANs Co [...]

6-111 Config uring the Sw itch Automatic Broadc ast Contro l (ABC) Featu res Configurin g the Switc h • If you enabled ABC for IP (figure 6- 64, below): Figure 6-71. ABC Enabled With Default IP Option (No VLANs Configured) i. If you want IP R IP broadcast c ontrol, then selec t the IP RIP Control paramet er and use the Spa ce bar to sele ct Ye s [...]

6-112 Config uring the Switch Automa tic B roadc ast C ontro l (A BC) F eatur es Configurin g the Switc h Figure 6-72. ABC Enabled With Default IPX Option (No VLANs Configur ed) i. If you w ant IPX RIP/SA P control, then sel ect the IPX RIP/SA P Contro l paramet er . ii. Us e the Sp ace b ar t o se lect Ye s . iii. Go to step 6, below . 6. Press [E[...]

6-113 Config uring the Sw itch Automatic Broadc ast Contro l (ABC) Featu res Configurin g the Switc h How ABC Operates Layer 2 (MAC leve l) broadcast packet s can beco me a large pe rcenta ge of the traffic on a network. The se broadc asts not only u se up netw ork bandwid th, but also use up pro cessing powe r on every client that receiv es the br[...]

6-114 Config uring the Switch Automa tic B roadc ast C ontro l (A BC) F eatur es Configurin g the Switc h with a u nicast pac ket thr ough the switch t o host A. The switc h monitors t his response, l earns the location o f host D, and stores this informa tion in i ts ARP cache. Thus, the switch now knows the ad dress informa tion for bot h host A [...]

6-115 Config uring the Sw itch Automatic Broadc ast Contro l (ABC) Featu res Configurin g the Switc h Reducing RIP an d SAP Broadcast T raff ic Y ou can also config ure AB C to limi t IP RIP and IPX R IP and SA P broa dcasts, which can f urther re duce broadc ast traffi c on you r network . RIP and SAP broadca sts are normally forwarde d on al l po[...]

6-116 Config uring the Switch Automa tic B roadc ast C ontro l (A BC) F eatur es Configurin g the Switc h The Auto Gateway para meter does not affect opera tion of hosts on t he same port as the DHCP server . This is because such hosts receive responses directly from the server instead of responses from the switch. T o prevent this problem, connect[...]

6-117 Config uring the Sw itch Automatic Broadc ast Contro l (ABC) Featu res Configurin g the Switc h ■ IPX N etwork s: • Only fo ur IPX n etworks ( with four differe nt encap sulation types) ar e allowe d per VLA N. • The IPX server ch osen in th e proxy r esponse is a lways the fi rst nearest ser ver i n the S AP ta ble. ■ Server Select i[...]

6-118 Config uring the Switch Confi gurin g and Mo nitor ing Por t Securi ty Configurin g the Switc h Configuring an d Monitoring Po rt Security Using Port Security , you can configure each switch port with a unique list of the M AC ad dresse s of dev ices t hat a re aut horiz ed to ac cess the n etwork throug h that port . This enabl es individual[...]

6-119 Config uring the Sw itch Confi guring and Mon itorin g Port Securi ty Configurin g the Switc h ■ Prev ent E avesd rop ping: Blo ck outbound t raffic wit h unknown destinatio n addresses from e xiting thro ugh the port . This preven ts an unautho rized devi ce o n the port from eavesdr opping o n the flooded unicast traffic in tended for oth[...]

6-120 Config uring the Switch Confi gurin g and Mo nitor ing Por t Securi ty Configurin g the Switc h T ab le 6-5. Port Security Con trol Parameters Para mete r Descri ption Port I dentifi es the swit ch port t o view or conf igur e for port se curity. Learn Mode Specif ies how t he port will acquir e its li st of auth orized address es. Contin uou[...]

6-121 Config uring the Sw itch Confi guring and Mon itorin g Port Securi ty Configurin g the Switc h Using the W eb Browser Interface to Confi gure Port Security 1. Disp lay the Port Security Screen Figure 6-75. Exampl e of the Port Sec urity Overview Screen Authori zed Addresse s Appear s when Learn Mode is set to Stati c. Enabl es you to en ter u[...]

6-122 Config uring the Switch Confi gurin g and Mo nitor ing Por t Securi ty Configurin g the Switc h 2. Set the security policy for the selected port. Figure 6-76. Example o f the Defa ult Securit y Configura tion Screen for a Sele cted Port Figure 6-77. Exampl e of Adding Authorized Devices a. If you want to configure authorized dev ices: i. Se l[...]

6-123 Config uring the Sw itch Confi guring and Mon itorin g Port Securi ty Configurin g the Switc h Using the Switch Con sole T o Configure Port Security Fro m the Ma in Me nu, se lect: 3. Switch Con figuration . . . 5. Advanced Fea tures . . . 5. Port Security Figure 6-78. Exampl e of the Console Port Security Overvi ew Screen Figure 6-79. Exampl[...]

6-124 Config uring the Switch Confi gurin g and Mo nitor ing Por t Securi ty Configurin g the Switc h Figure 6-80. Example of a Mo dified Se curity Configu ration Scr een for a Selected Port 8. Press [En ter] , then [S ] (for S ave) to retu rn to the Port Security scre en. 6. Configu re the Actio n parameter t o send an alarm if you want an SNMP tr[...]

6-125 Config uring the Sw itch Confi guring and Mon itorin g Port Securi ty Configurin g the Switc h Reading and Resetting Intrusi on Alarms When an attem pted secur ity violation o ccurs on a port configure d for Port Secu rity , th e port d rops the pa ckets i t rec eives from t he u nauthor ized device . Notice of Security V iolations When a sec[...]

6-126 Config uring the Switch Confi gurin g and Mo nitor ing Por t Securi ty Configurin g the Switc h Figure 6-82. Example of the Intrusion Log wit h Intrusions Entered for Ports A1 and A2 ■ In th e switc h cons ole: • The switc h console E vent Log , accessed f rom the Main M enu, displays the intrusion as a n FFI (Find, Fix, and Inf orm) Secu[...]

6-127 Config uring the Sw itch Confi guring and Mon itorin g Port Securi ty Configurin g the Switc h Figure 6-83. Exampl e of the Switch Con sole Event Log with S ecurity V iolation Entries • The Intrusion Alert column in the console’ s Port Sta tus screen dis- plays Ye s fo r the port on which the v iolation o ccurred (fig ure 6-84, below). Fi[...]

6-128 Config uring the Switch Confi gurin g and Mo nitor ing Por t Securi ty Configurin g the Switc h Figure 6-85. Example of the Intrusion Log wit h an Intrusion Listed for Port A5 How the Intrusion Lo g Operates The Intrusion Log gives you a list of the 2 0 most rece nt security v iolation attempt s, and appe ars in both the web browse r interfac[...]

6-129 Config uring the Sw itch Confi guring and Mon itorin g Port Securi ty Configurin g the Switc h Operating Notes for Port Security Identi fying the IP A ddress o f an Intr uder . The Intrus ion Log lists intr ud- ers by MAC ad dress. If you are using HP T opT ools for Hubs & Switc hes to manage your n etwork, yo u can use the T opT o ols in[...]

6-130 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h Class of Service (CoS): Managing Bandwidth More Effectively As the t erm su gge sts, network policy refers to the ne twork-w ide contro ls you can imple ment to en sure uniform a nd efficie nt traffic handling thr oughout your [...]

6-131 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h CoS is imple mented in t he form of r ules or polic ies that are configur ed on the switch. While you can use CoS to prio ritize onl y the outboun d traffi c moving through t he switch, y ou derive t he maximum be nefit by using [...]

6-132 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h Basic Operation CoS setting s operate on two levels: ■ Cont rolling the priorit y of outbou nd packe ts: Eac h sw itc h po rt h as two outbo und tra ffic queues; “ normal” p riority and “high ” priorit y . (High - pri[...]

6-133 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h If a pac ket is not in an 802.1Q tag ged VLAN envi ronment, the above settin gs contro l only to w hich outbound queue t he pack et goes, a nd no 802 .1p pri ority is added to the pack et. However , if the pack et is in an 802.1Q[...]

6-134 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h T a ble 6 -7. Pr iori ty Crit eria a nd Prece dence Prec edenc e Criteria Overv iew 1D e v i c e Prior ity (IP Address) Y ou can sp ecify a prio rity fo r any o utbou nd packe t havi ng a par ticu lar dest inati on or so urce I[...]

6-135 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h No Overr ide. By default, the IP T oS, Protocol, and VLAN I D criteria auto- matically li st each of their opt ions with N o over ride for priority . This means that if you d o not conf igure a pr iority for a specific option, C [...]

6-136 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h 3. Determine the actual CoS conf iguratio n changes you will ne ed to make on each C oS-capable device in your netw ork in order t o impleme nt the desired po licy . 4. Conf igure the d esired CoS prioritie s on the CoS -capabl[...]

6-137 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h Configuri ng Class of Service from the W eb Browser Interface Figure 6-86. The Defau lt Class of S ervice Configu ration Sc reen Use T able 6-8., “Ste ps for Using t he W eb Browser I nterface T o Co nfigure CoS Priority” (ne[...]

6-138 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h T ab le 6-8. Steps for Using the W eb Browser Interface T o Configure CoS Priority CoS Optio ns Priori ty Configu ration S teps Device Prior ity Click on the De vice Priori ty bu tton, t hen: T o add an IP add ress : 1. T ype t[...]

6-139 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h Configuri ng Class of Service from the Cons ole CoS uses dy namic rec onfigurat ion to conf igure your CoS choice s. This means that it is not ne cessary to reboot t he switch after conf iguring CoS . T o access the C oS console [...]

6-140 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h The CoS Device Priority Screen CoS use s the criter ia you speci fy per IP ad dress (up to 30) to det ermine traffic prioritiza tion. Device Priority has higher precedence than any ot her CoS priorit ization criteri a. Thus, if[...]

6-141 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h The CoS Protocol Priority Screen CoS us es prot ocol cri teria to determi ne traff ic prior ity unle ss the sa me traffi c has other Co S criter ia (config ured in other CoS screens) that has a highe r preced ence . (For pr ecede[...]

6-142 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h The CoS VLAN Pri ority Screen If yo u conf igure Co S on t his scre en, CoS uses the crit eria y ou speci fy per V LAN to determ ine traffic pr ioritization unl ess the same traff ic has other CoS cr iteria (configur ed in othe[...]

6-143 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h Using T ype of Service (T oS) Cr iteria to Prior itize IP T raffic Every I P packet i ncludes a T ype o f Service (T oS ) field. Thi s field car ries priorit y settings that ar e read and used, but not altered by the switch. When[...]

6-144 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h T oS Configur ation Options. T o displa y the T ype of Service scre en, select T ype of Serv ice (IP Precede nce, Differentia ted Services ) in the CoS Menu scr een (p age 6-13 9). T ype of Service in cludes three possible sett[...]

6-145 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h T a ble 6- 9. How the Switc h Uses th e T o S Confi gurati on Outbou nd Port T oS Option: IP Pre cedence (V alue = 0 - 7) Different iated Serv ices IP Pack et in an Untagg ed VLAN o r No VLAN Depen ding on the val ue of the IP Pr[...]

6-146 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h IP Multicast (IGMP) Interaction with CoS The switch’ s ability to priorit ize IGMP traffic for either a nor mal or high priority outbound que ue overrid es any CoS criteria, a nd does not affect any 802.1p pri ority settings [...]

6-147 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h Pack et Ente rs Swit ch: On a Non-V LAN Port or in an Untagg ed VLAN Packe t Exits F rom Switc h: On a Non-VLA N Port or in an Un tagged V LAN (Prioritizin g affec ts only the choice of o utbound priority qu eue. The packet ca rr[...]

6-148 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h Packe t Enters S witch: In an Unta gged VL AN Pack et Exits Fr om Swi tch: In a tagge d VLAN (Prioritizing affects both the choice of outbound priority queue and th e packet’ s 802.1p priority tag.) In this sc enario, the out[...]

6-149 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h Packe t Enters S witch: In a tagg ed VLAN Pack et Ex its Fro m Swi tch: I n an Unta gged V LAN (Prioritizin g affec ts only the choice of o utbound priority qu eue. The 802.1p priority tag c arried by the packet when it entere d [...]

6-150 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h Packe t Enters S witch: In a tagg ed VLAN Pack et Exits Fr om Swi tch: In a tagge d VLAN (Prioritizing affects both the choice of outbound priority queue and th e packet’ s 802.1p priority tag.) In this scenar io, the p acket[...]

6-151 Config uring the Sw itch Class of Servic e (CoS): Managin g Bandwi dth Mor e Effect ively Configurin g the Switc h Supporting CoS wit h an 802 .1Q T agged V LAN Envi ronment Using HP’ s 802.1Q-c ompliant sw itches, you ca n create ei ther a single tag ged VLAN or m ultiple tagg ed VLANs. T o do either , yo u need an 802.1Q-com pliant device[...]

6-152 Config uring the Switch Clas s of Servic e (CoS ): Manag ing Ban dwidth Mo re Eff ectiv ely Configurin g the Switc h Operating an d T roublesh ooting Notes ■ For Devices that Do Not Suppo rt 802.1Q T agged VLANs: For communic ation bet ween thes e devices an d the switc h, connect the device to a switch port c onfigur ed as Untagg ed for th[...]

7-1 Monitor ing and Analyzin g Switch Opera tion 7 Monitoring and Analyzing Switch Operation Overview Y ou c an use the switch c onsole (and, in som e cases, the web bro wser inter- face) to acc ess read-only st atus and count er inform ation to help yo u monitor , anal yze, and troub leshoot sw itch o peration. In partic ular , the web browser int[...]

7-2 Monit oring and Analyzi ng Switc h Op eratio n Stat us and Coun ters S creens Monitor ing and Analyzing Switch Opera tion Status and Counter s Screens This sectio n describe s the statu s and count ers screen s availab le through t he switch console interface and/or the w eb browser interface. Note Y ou c an access all console screens fr om the[...]

7-3 Monit oring an d Analyzi ng Switch Operati on Swit ch Consol e Stat us and Cou nters Menu Monitor ing and Analyzin g Switch Opera tion Switch Consol e Status and Coun ters Menu Select Stat us and Counters from the Main Menu t o display the Status and Counte rs menu: Figur e 7- 1. Th e S tatus and Counte rs M enu Each of the above menu items acc[...]

7-4 Monit oring and Analyzi ng Switc h Op eratio n Web Br owser In terfac e Statu s Infor matio n Monitor ing and Analyzing Switch Opera tion W eb Browser Interface Status Information The “h ome” screen for the we b browser interfac e is the St atus Overvie w scree n, as show n in figur e 7-2. As t he tit le im plies , it p rovid es an over vie[...]

7-5 Monit oring an d Analyzi ng Switch Operati on Web Bro wser Interf ace Stat us In forma tion Monitor ing and Analyzin g Switch Opera tion Genera l System Informa tion T o ac cess this screen from the console Ma in Menu, select: 1. Stat us and Count ers 1. General Sy stem Information Figure 7-3. Example of General Switc h Information This scree n[...]

7-6 Monit oring and Analyzi ng Switc h Op eratio n Web Br owser In terfac e Statu s Infor matio n Monitor ing and Analyzing Switch Opera tion Switch Management Address Informatio n T o access this screen from the Main Menu, select: 1 Sta tus and C ounters 2. Switch Management Addr ess Information Figure 7-4. Example of M anagement Address Informati[...]

7-7 Monit oring an d Analyzi ng Switch Operati on Web Bro wser Interf ace Stat us In forma tion Monitor ing and Analyzin g Switch Opera tion Module Information T o access this screen from the Main Menu, select: 1. Stat us and Count ers 3. Module Infor mation Figure 7-5. Example of the Module Information Screen (Switch 4000M) Displays infor mation o[...]

7-8 Monit oring and Analyzi ng Switc h Op eratio n Port Stat us Monitor ing and Analyzing Switch Opera tion Port St atus The web br owser inte rface and the conso le interfa ce show th e same port status data. Note If Automatic Br oadcast Contr ol (ABC) ha s bee n enabled, all ports where Bc ast Limit (br oadcast limit ) has not alr eady been ma nu[...]

7-9 Monit oring an d Analyzi ng Switch Operati on Port Status Monitor ing and Analyzin g Switch Opera tion Displaying Port Status from the Consol e Interface T o access this screen from the Main Menu, select: 1. Stat us and Count ers 4. Port Statu s Figure 7-7. Example of Port Status on the Console Interface (Switch 4000M)[...]

7-10 Monit oring and Analyzi ng Switc h Op eratio n Por t Cou nte rs Monitor ing and Analyzing Switch Opera tion Port Coun ters The web br owser inte rface and the conso le interfa ce show th e same port counte r data. These scree ns enables you to determine the t raffic patter ns for each por t. Port Counte r features inc lude: ■ Dynamic displa [...]

7-1 1 Monit oring an d Analyzi ng Switch Operati on Port Coun ters Monitor ing and Analyzin g Switch Opera tion Displaying Port Coun ters from the W eb Browser Interface Figur e 7- 8. Ex amp le of Port Coun ters and Detai ls o n th e Web B rowser Int erfa ce 3. T o view details abo ut the traffic on a partic ular port, highlight that port numb er ,[...]

7-12 Monit oring and Analyzi ng Switc h Op eratio n Por t Cou nte rs Monitor ing and Analyzing Switch Opera tion Displaying Port C ounters from the Console Interfa ce T o access this screen from the Main Menu, select: 1. Stat us and Count ers 5. Port Count ers Figure 7-9. Example of Port Co unters on the Co nsole Interface T o view detai ls abo ut [...]

7-1 3 Monit oring an d Analyzi ng Switch Operati on Port Coun ters Monitor ing and Analyzin g Switch Opera tion Figure 7-10. Example of the Disp lay for Sho w details on a Selected Port This screen also in cludes the Rese t action. Refer to the note on page 7 -10.[...]

7-14 Monit oring and Analyzi ng Switc h Op eratio n Address Ta ble Monitor ing and Analyzing Switch Opera tion Address T able T o access the Address T able screen from the Main Menu, select: 1. Stat us and Count ers 6. Addre ss T able Figure 7-11. Example of the Address T able (Switch 4000M) This screen lets you de termine which sw itch port is bei[...]

7-1 5 Monit oring an d Analyzi ng Switch Operati on Port Addres s Tab le Monitor ing and Analyzin g Switch Opera tion Port Addre ss T able This s creen lets yo u det ermine which de vice s are a ttac hed to the se lecte d switch port by listing all of the MA C addresses de tected on that po rt. T o ac cess the port addr ess table: 1. From the M ain[...]

7-16 Monit oring and Analyzi ng Switc h Op eratio n Port Ad dress Tabl e Monitor ing and Analyzing Switch Opera tion Figur e 7-1 3. Ex amp le of a Por t Add ress T able for a Speci fic Po rt Use the S earch action at th e bottom of the screen to determine whether a speci fic devi ce (M AC addre ss) is c onnect ed to the select ed port. In this exam[...]

7-1 7 Monit oring an d Analyzi ng Switch Operati on Spa nning Tr ee (STP ) Inf orma tion Monitor ing and Analyzin g Switch Opera tion Spanning T ree (STP) Information T o ac cess the Spanni ng T ree Information f rom the Main Me nu, select: 1. Stat us and Count ers 8. Span ning T ree Inf orma tion STP must be en abled on t he switch to disp lay the[...]

7-18 Monit oring and Analyzi ng Switc h Op eratio n Span ning T ree ( STP) Info rmati on Monitor ing and Analyzing Switch Opera tion Y ou can use the S how por ts act ion at the bott om of the scr een to displa y port- level info rmation a nd paramete r settings f or each po rt in the swit ch (includ ing port type, cost, pri ority , operating state[...]

7-1 9 Monit oring an d Analyzi ng Switch Operati on IP Mult icast (IGM P) Status Monitor ing and Analyzin g Switch Opera tion IP Multicast (IGMP) Status T o access this screen from the Main Menu, select: 1. Stat us and Count ers 9. Advanc ed Features Status 1. IP Multicast (IGMP) Sta tus Note If multiple VLANs are conf igured on the swit ch, you wi[...]

7-20 Monit oring and Analyzi ng Switc h Op eratio n IP Mul ticast (IGMP) Status Monitor ing and Analyzing Switch Opera tion Y ou c an also disp lay the por t status of th e individu al multica st groups. (Th at is, you can di splay the por ts, port type s, and whethe r the IGMP devices connected t o the switch via the port are hosts, rout ers, or b[...]

7-2 1 Monit oring an d Analyzi ng Switch Operati on Automati c Broadca st Control (ABC) Informat ion Monitor ing and Analyzin g Switch Opera tion Automatic Broadcast Control (ABC) Information T o ac cess this screen from the Main Me nu, click on: 1. Stat us and Count ers 9. Advanc ed Features Status 2. Automatic Broadcast Cont rol (ABC) Information[...]

7-22 Monit oring and Analyzi ng Switc h Op eratio n Switc h Mesh I nformation Monitor ing and Analyzing Switch Opera tion Switch Mesh Information T o ac cess this screen from the Main Me nu, click on: 1. Stat us and Count ers 9. Advanc ed Features Status 3. Switch Mesh Inform ation Figure 7-19. Example of Switch Mesh Screen This screen indicates th[...]

7-2 3 Monit oring an d Analyzi ng Switch Operati on VLAN Info rmation Monitor ing and Analyzin g Switch Opera tion VLAN Information T o access this screen from the Main Menu, select: 1. Stat us and Count ers 9. Advanc ed Features Status 4. VLAN Information Figure 7-20. Example of VLAN Information Screen This scree n displays the VLAN i dentificatio[...]

[...]

8-1 Troubl eshooting 8 T roubleshoo ting This chapte r address es perf orman ce-rela ted ne twork pr oblems that ca n be caused by topolog y , sw itch c onfigurat ion, and the effe cts of o ther dev ices or their config urations on swi tch operation. (For switch-specif ic information on hardware problems in dicated by LED behavior , cabling require[...]

8-2 Trou bleshoo ting Troub leshoot ing A pproa ches Troubl eshooting T rou bleshooting App roaches There are six prim ary w ays to dia gnose switch pr oblem s: ■ Check the switch LEDs for in dications of proper switch op eration: • Each swit ch port ha s a Link LED that sh ould light wheneve r an active network dev ice is connec ted to the por[...]

8-3 Troubleshooting Browser or Console Access Problems Troubleshooting Browser or Console Access Problems Cannot access the web browser interface: ■ Access may be disabled by the W eb Agent Enabled parameter in the switch console. Check the setting on this parameter by selecting: 2. Switch Management Access Configuration 4. Console/Serial Link. ?[...]

8-4 Troubleshooting Browser or Console Access Problems Troubleshooting Cannot T elnet into the switch console from a station on the network: ■ T elnet access may be disabled by the Inbound T elnet Enabled parameter in the switch console. See “Configuring the Console/Serial Link from the Switch Console” on page 6-20. ■ The switch may not hav[...]

8-5 Trou bleshoo ting Unus ual Netw ork Ac tivit y Troubl eshooting Unusual Network Activity Network a ctivity that exc eeds accept ed norms oft en indicat es a hardware problem w ith one or more of the network co mponent s, possibly includ ing the switch. Unusual ne twork activity is usually indica ted by the LEDs on t he front of the sw itch or m[...]

8-6 Trou bleshoo ting Unusua l Net work A ctivi ty Troubl eshooting One indicat ion of a duplica te IP address in a DHCP network is th is Event Log message: ip: Invalid ARP source : IP a ddress on IP address where: both instance s of IP address are th e same addre ss, indi cating the IP address that has been duplica ted somewher e on the net work. [...]

8-7 Trou bleshoo ting Unus ual Netw ork Ac tivit y Troubl eshooting IGMP-Related Problems IP Mu lticas t (I GMP) T raf f ic Doe s Not Reach IGMP H osts or a M ulti cast Router Conne cted to a Port. IGM P must be enabl ed on the switch and the affect ed port must be configur ed for “A uto” or “For ward” oper ation. IP Mu ltica st T raffic Fl[...]

8-8 Trou bleshoo ting Unusua l Net work A ctivi ty Troubl eshooting Figur e 8- 1. Co nnect ing a Hub T o Meshed Port s Caus es a T opology Erro r ■ A non-mesh ed switch or port connec ted to a mesh por t Figur e 8-2 . Conn ect ing a Non-M eshed Switc h Port to a Mes hed Po rt Cau ses a T opology Error T o vie w the state, adjacent switch, and pee[...]

8-9 Trou bleshoo ting Unus ual Netw ork Ac tivit y Troubl eshooting STP- Related Probl ems Caut ion If you e nable STP , it is rec ommende d that y ou leav e the re mainder of the STP paramet er settings at their default v alues until yo u have had a n opportun ity to evalua te STP perf ormanc e in your networ k. Becau se incorre ct STP settings ca[...]

8-10 Trou bleshoo ting Unusua l Net work A ctivi ty Troubl eshooting STP Blocks a Li nk in a VLAN Even Though There Ar e No Redundan t Links in that VLAN. In 802.1Q -compliant switches such as th e Switch 4000M and Switch 2424M, STP blocks re dundant p hysical lin ks even if th ey are in separate VLANs. A solution is to use only one, multiple-VLA N[...]

8-1 1 Trou bleshoo ting Unus ual Netw ork Ac tivit y Troubl eshooting Figure 8-4. Example of Correct VLAN Port Assignments on a Link 1. If VLAN_1 is conf igured as “Un tagged” on port 3 on switc h “X”, then it must also be co nfigured a s “Untagged” on port 7 on switch “Y”. 2. Simila rly , if VLA N_2 is config ured as “T agged on [...]

8-12 Trou bleshoo ting Using t he Even t Log To Id ent ify Probl em Sou rces Troubl eshooting Using the Event Log T o Identify Problem Sources The Event Log records op erating events as single-line entries listed in c hrono- logical order , and serves as a tool fo r isolating prob lems. Each Event Log entry is co mposed of fiv e fiel ds: Severity i[...]

8-1 3 Trou bleshoo ting Using the Eve nt Log To Identi fy Problem Sour ces Troubl eshooting T able 8-1. Event Log S y stem Modules Entering and Navigating in th e Event Log Displ ay . From t he M ain Menu, select Ev ent Log . Figure 8-2. Example of an Event Log Display Modu le Even t Description Mo dule Ev ent Descr iption abc Automat ic Br oadcas [...]

8-14 Trou bleshoo ting Using t he Even t Log To Id ent ify Probl em Sou rces Troubl eshooting T o display vario us portion s of the Event L og, ei ther pr eceding or follow ing the curren tly visible por tion, use eith er the act ions listed at th e bottom of the display ( Next page , Prev page , or End ), or the k eys de scribe d in the follo wing[...]

8-1 5 Trou bleshoo ting Using the Eve nt Log To Identi fy Problem Sour ces Troubl eshooting T o Change the Severity Lev el of Event Log Messages In its de fault setting, t he Event Log di splays all event levels. If you wa nt to change th e severity level for wh ich events will be displ ayed in the Event Log, chan ge th e set ting for th e Displaye[...]

8-16 Trou bleshoo ting Using t he Even t Log To Id ent ify Probl em Sou rces Troubl eshooting Figure 8-3. The Console/Se rial Link Conf iguration Scre en (Default V al ues) 2. Press [E] (for E dit ). The cu rsor m oves to the Baud Rate field. 3. Mo ve the curs or to the Displayed E vents fiel d. 4. Use the Space ba r to select the severi ty level y[...]

8-1 7 Trou bleshoo ting Diag nostic s Troubl eshooting Diagnostics The switch’ s diagnost ic tools includ e the followin g: Ping and Link T e sts The Ping te st and the Link test ar e point-to-p oint tests betwee n your switc h and anot her IEEE 80 2.3-compl iant devic e on your ne twork. Thes e tests can tell you wheth er the switch is commun ic[...]

8-18 Trou bleshoo ting Diagno stics Troubl eshooting Execu ting Ping or Lin k T ests f rom the W eb Bro wser In terface Figure 8-4. Link and Ping T est Screen on the Web Browser Interfac e Successes indicates the number o f Ping or Link packet s that successfully compl eted th e most recent test . Failures indic ates the nu mber of Ping or Link pac[...]

8-1 9 Trou bleshoo ting Diag nostic s Troubl eshooting Executin g Ping or Link T est s from the Swit ch Console (T o canc el a Pi ng or Li nk test that i s in pro gress, press [Ctrl] [C] .) 1. From the M ain Menu, selec t: 5. Diagnostics . . . 1. Link T est or 2. Ping T est Figure 8-5. Examples of Link T est and Ping T est Screens with VLANs Config[...]

8-20 Trou bleshoo ting Diagno stics Troubl eshooting The co nsole displays t he result of each test . For exampl e, if a Li nk test succeeds, you will see Linktest Command Successful. If the Link test fails, you will se e Linktest Command T imed out. If a Pi ng test s uccee ds, you w ill s ee a me ssage i ndicati ng th e targ et IP ad dress is “a[...]

8-2 1 Trou bleshoo ting Diag nostic s Troubl eshooting The Configuration Fil e The complet e switch configura tion is cont ained in a file tha t you can bro wse from ei ther t he web brow ser int erface o r the swit ch consol e. It may be usefu l in some troublesh ooting scenar ios to view t he switch co nfiguratio n. Browsin g the Configur ation F[...]

8-22 Trou bleshoo ting Diagno stics Troubl eshooting Browsin g the Configur ation File fr om the Sw itch Console T o displ ay the conf iguratio n file that is currently sav ed: 1. From the M ain Menu, selec t: 5. Diagnostics 3. Browse Configuratio n File Figur e 8- 7. Exam ple of th e Br owse C onf igura tion Disp lay 2. Whe n -- M ORE -- appears i[...]

8-2 3 Trou bleshoo ting Diag nostic s Troubl eshooting Using the Command Prompt These co mmands are primaril y for the expert u ser and for diagno stics pur- poses. Sel ecting Command Promp t from the Diag nostics Menu pr esents a comm and prompt from which you can e nter the f ollowing command s: T o get a defini tion of these co mmand s and th ei[...]

8-24 Trou bleshoo ting Restor ing the Fa ctory D efault C onfig uration Troubl eshooting 3. T ype in the co mmand yo u want t o execute and press [En ter] . For exa mple, to set the time to 9:55 a .m. you would execute the fo llowing comman d: DEFAUL T_CONFIG: time 9:55 [En ter] How T o Exit fr om the c ommand prompt : Ty p e exit and press [Enter][...]

A-1 File Transfe rs A File T ransfers Overview Y ou c an download new switch sof tware (ope rating system —OS) and uploa d or downloa d switch conf iguration files. These featur es are usef ul for acquirin g periodic switch softwar e upgrad es and for storing or retr ieving a swit ch config uration. This appendi x includes the following info rmat[...]

A-2 File T ransfer s Downl oading an Opera ting System (OS) File Transfer s Using TF TP T o Download the OS File This proced ure assume s that: ■ An OS file for the switch has been stored on a TF TP server accessible to the switch. (The OS file is typically available from HP’ s electroni c ser- vices—se e the support and warrant y booklet shi[...]

A-3 File T ransfers Downlo ading an Operating System (OS) File Transfe rs 2. Press [E] (for E dit ). 3. Ensure th at the Method field is se t to TF TP (the default). 4. In the TF TP Server fie ld, type in the IP a ddress of the TF TP se rver in w hich the OS file has be en stored. 5. If th e VLAN fie ld appear s, use the Spac e bar to select the VL[...]

A-4 File T ransfer s Downl oading an Opera ting System (OS) File Transfer s Using the SN MP-Based HP Down load Manager Included with your switch is th e HP T opT ools for Hu bs & Switches CD ROM (availabl e Fall 1998 ). The HP Dow nload Manag er is include d with HP T opT ools and enab les you to ini tiate a firmwar e (OS) download over the net[...]

A-5 File T ransfers Downlo ading an Operating System (OS) File Transfe rs Using Xm odem to D ownloa d the OS File This proced ure assume s that: ■ The switc h is connecte d via the C onsole R S-232 port on a PC opera ting as a term inal. (Refer to the Inst allation Guide you receiv ed with th e switch for info rmation on c onnecting a PC as a ter[...]

A-6 File T ransfer s Trou bleshoo ting TFT P Down loads File Transfer s T r oubleshooti ng TF TP Down loads If a TF TP download fails, the Download OS scree n indicates the failure . Figure A-3. Example of Message for Download Failure T o f i nd more inform ation on t he cause of a downloa d failure, ex amine the messages in the switch’ s Event L[...]

A-7 File T ransfers Troub leshoo ting TFTP Downlo ads File Transfe rs ■ For a Unix TF TP server , the file permissions f or the OS file do not allow the fil e to be copied. ■ Anothe r console session (thr ough eithe r a dire ct connec tion to a term inal device or throug h T el net) was al ready ru nning when you started the session in whi ch t[...]

A-8 File T ransfer s Tran sferring Switch Configurat ions File Transfer s T ransferring Switch Configur ations Y ou can use the follo wing comma nds to transfe r Switch 4000M and S witch 2424M co nfigurati ons betwee n the switch and a PC or Unix wor kstation. Using Get and Put T o T ransfer a Configuration Between the Switch and a Networ ked PC or[...]

A-9 File T ransfers Tran sferri ng Swit ch Configu ration s File Transfe rs 2. At the command p rompt, execut e the follow ing comman ds: T o uplo ad a config uration to a file on a PC or Un ix workstat ion: put IP_address CONFIG remote_file T o do wnload a configura tion from a file on a PC or Unix wo rkstation: get IP_address CONFIG remote_file w[...]

A-10 File T ransfer s Tran sferring Switch Configurat ions File Transfer s 3. At the command p rompt, execut e one of the following c ommands: T o uplo ad a config uration to a file on a PC or Un ix workstat ion: xput con fig remote_file [pc/unix] T o do wnload a configura tion from a file on a PC or Unix wo rkstation: xget con fig remote_file [pc/[...]

B-1 MAC Address Ma nagement B MAC Address Management Overview The switch assigns MAC addresses in these areas: ■ For managemen t func tions: • One Base MAC a ddress assigned to the switch • Additional M AC address(es) c orrespond ing to any VLANs yo u configure in the switch ■ For intern al switch oper ations: One M AC address pe r port MAC[...]

B-2 MAC Ad dress Mana gement Determin ing the M AC Addresse s MAC Address Ma nagement The Base and VLAN MAC Ad dresses These ad dresses appear in the Manage ment Address In formation scr een. Also, the Base M AC addre ss appears on a labe l on the front of t he switch. Note The Base MAC address is used by the first (defaul t) VLAN in th e switch. T[...]

B-3 MAC Ad dress M anageme nt Dete rminin g th e MAC Addr esses MAC Address Ma nagement Switch Port MAC Addresses The M AC ad dress a ssi gned to each s witc h port is used inter nal ly by su ch featu res as Flow Co ntrol a nd the Spanni ng T ree P rotoc ol. De termini ng the MAC address assignments for individu al ports can sometimes be useful whe[...]

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Index – 1 Index Index Numerics 802.1p priority (Co S) defi niti on … 6 -13 1 802.1q VLAN in mesh … 6-9 1 802.1Q V LAN stan dard … 6-3, 6-39 use wit h CoS, defini tio n … 6-13 1 802.2 … 6-114 802.3u auto neg otiatio n standa rd … 6-30 A A.09 .70 rout er rele ase … 6-6 9 ABC … 6-106 AppleT alk pa ckets forwarde d … 6-117 broa dcas[...]

2 – In dex Index Auto Gateway … 6-115 Auto Gateway paramete r … 8-6 auto po r t settin g … 6-98 auto-disc overy … 5-4 automa tic broadcas t control See ABC auto matic ga teway co nfigurati on … 6 -115 auto- negot iat ion … 6 -30 B bandw idth displayin g utilization … 3-16 effe ct of CoS … 6-130 bandw idth savings, w ith ABC … 6-[...]

Inde x – 3 Index IP … 2-2, 6 -4 IP ad dress, manua lly … 2-2 mesh … 6-8 4 network mo nitoring … 6-34 port … 6 -30 port security … 6-11 9 port trunk … 6-71 rest orin g fact ory de faul ts … 8-2 4 serial lin k … 6- 19 SNMP … 2 -1, 5-3, 6-14 spanning tre e … 6-39 span ning t ree pr otoco l … 6-4 2 subnet mask … 2-2 switc h [...]

4 – In dex Index E eavesdr op pre ventio n port se curity conf igura tion … 6- 119 edge s wit ch … 6-92 ending a console session … 4-3 event log … 4-3, 4- 5, 6-1 7, 8-12 , 8-14 caus es of eras ure … 8-1 4 navig ation … 8-13 seve rity lev el … 6- 20, 8-12 use dur ing troubles hooting … 8-12 exiting from comm and prom pt … 4-14, 8[...]

Inde x – 5 Index in switch mesh domai n … 6-91 IP ad dress re quired … 6 -95 IP multi cast ad dress ra nge … 6-49 , 6-104 leave g roup … 6- 100 maxim um address count … 6-104 multi cast gro up … 6- 100, 6- 103 multimedia … 6-95 not wo rking … 8- 7 opera tion … 6-100 port s tates … 6 -98 querie r setting, changin g … 6-10 5 q[...]

6 – In dex Index M MAC add ress … 6-1 0, 7-5, B -1 dupl icate … 6- 68 – 6-6 9, 8-9, 8- 11 learne d … 7-14 port … 7-15, B-1 – B-2 switch … B-1 VLAN … 6-6 7, B-1 Main me nu, consol e … 4-4 mana ged dev ice … 2- 1 mana gement acce ss config urati on from consol e … 4-4 interfac es descri bed … 1-1 serv er URL … 3-12 – 3-1[...]

Inde x – 7 Index traffic overlo ad … 6-34 VLAN m onitoring p arameter … 6-38 Netw ork Mo nitor ing Po rt scr een … 6 -34 netw ork sl ow … 8- 5 notes on using VLANs … 6-54 NSQ repl y, proxy … 6-10 8 NSQ re quest … 6-114 NSQ statistics … 7-21 O online h elp … 3-10 online h elp location … 3-13 opera ting note s authorized IP m an[...]

8 – In dex Index resetting the aler t flag … 6-128 securi ty viol ations in br owser ale rt log … 6-12 5 port trunk … 6-70 config urat ion … 6- 71 FEC … 6 -79 interoperation … 6-72 limit … 6-70 media ty pe … 6-71 meshed swi tch … 6-94 network ma nagement … 6-71 SA/DA … 6- 77 SA-trunk … 6-78 span ning t ree pr otoco l … 6[...]

Inde x – 9 Index securi ty violat ions noti ces of … 6-125 resetting … 6-128 securit y, in-band … 6-46 Sel f Te st LE D behavi or du ring f actor y def ault re set … 8- 24 send authentic ation traps … 6-18 Serial L ink Configu ration scree n … 6-19 serial num ber … 7-5 server DHCP/Bootp … 6-6 effect of ABC on server access … 8-6[...]

10 – Inde x Index Syst em Name parame ter … 6- 29 T Tab ba r, web brow ser interfac e … 3-15 tagg ed VLAN See VL AN Telnet … 4-2 Telnet, pr oblem … 8-4 terminal type … 6-19 terminal , ANSI … A-9 terminal , VT-100 … A -9 TFTP downlo ad … A-1 – A-2 OS down load … A-2 server … A-8 threshold setting … 5 -4 time c ommand, h ow [...]

Index – 11 Index 802.1Q … 6- 44 ABC … 6-108 – 6- 109, 6- 113 address … 5-1 Bootp … 6-10 Bootp or DHCP … 6- 9 confi gur ing Bo otp … 6- 10 defau lt … 2- 2 DEFAULT_VLAN … 2 -2, 6-54, 6-56 deleting … 6-68 devic e not seen … 8- 10 effe ct on span ning tr ee … 6-66 event log entrie s … 8 -12 IGMP co nfig urati on … 6-98 IP [...]

12 – Inde x Index secur ity tab … 3-25 showin g securi ty viol ations … 6-125 standa lone … 3-3 Stat us b ar … 3-15 status b ar … 3-26 status in dicators … 3- 26 status o vervi ew screen … 3-5 status t ab … 3- 23 support tab … 3-26 system requi rement s … 3-2 – 3-3 trouble shooting acces s problems … 8-3 URL de fault … 3[...]

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Printed in Singapore 9/99 Manual Part Number 5969-2320 T echnical information in this document is subject to change without notice. ©Copyright Hewlett-Packard Company 1999. All rights reserved. Reproduction, adaptation, or translation without prior written permission is prohibited except as allowed under the copyright laws. *5969-2320*[...]