HP (Hewlett-Packard) series 2500 Bedienungsanleitung

hp pr oc urve se ri es 25 00 s w itc hes management and conf igur ation gui de w w w .hp .com/go/pr ocurv e[...]

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HP P roCurve Swit ches 2512 and 2524 Management and Configuration Guide Software Release F.01or Grea ter[...]

Hewlet t-Pa ckard Com pany 8000 Foo thills B oulevar d, m/s 5551 Rosev ille, Calif ornia 95747- 5551 http://ww w.h p.com/g o/procurve © Copyright 20 00 Hew lett-Packard Co mpany All Rights Re served. This docume nt contains i nformation which is protected by copyright. Reproduction, adapta tion, or translation without prior permission is prohibite[...]

iii Pref ace Preface Use of This Guide and Other ProCur ve Switch Documentation This guide de scribes how t o use the comm and lin e interfa ce (CLI), me nu interfac e, and web bro wser int erface for t he HP ProCur ve Swi tches 25 12 and 2524 - herea fter r eferred to ind ividua lly as the “Sw itch 2 512” o r “Sw itch 25 24” and c ollect i[...]

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v Conten ts Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Use of This Guide an d Other Pro Curve Switc h Documentation . . . . . . iii 1: Selecting a Mana gement Interfa ce Chapte r Content s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

vi Conte nts Accessing t he CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Privilege Levels at Logon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Priv[...]

vii Conten ts The Port Utilization and Status Displa ys . . . . . . . . . . . . . . . . . . . . . . . 4-17 Port Utilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 -17 Port Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 The Alert Log . . . . . . . . .[...]

viii Conte nts 6. Optim izing Po rt Usage Th rough Traffic Cont rol and Port Trunking Chapte r Content s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Viewing Por t Status and Conf ig[...]

ix Conten ts Configur ing and Moni toring Po rt Security . . . . . . . . . . . . . . . . . . . . . . 7-9 Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9 Blocking Unauthorized Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10 Trunk Group Exclusion . . . . . . . . . . . [...]

x Conte nts SNMP Manageme nt Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Configur ing for SN MP Access to t he Switch . . . . . . . . . . . . . . . . . . . . 8-4 SNMP Communi ties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6 Menu: Viewing and Configuring SNMP Communit[...]

xi Conten ts Using the Commander To Manage The Stack . . . . . . . . . . . . . . . . . . . 9-19 Using th e Comm ander To Access Member Switches for Configuration Changes and Monitoring Traffic . . . . . . . . . . . . . . 9-26 Conver ting a Comma nder or Member to a Me mber of Another Stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

xii Conte nts VLAN Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-75 Symptoms of Duplicate M AC Addre sses in VLAN Env ironment s 9-76 GVRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-77 General Operation . . . . . . . . . . . .[...]

xiii Conten ts General System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0-5 Menu Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5 CLI Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0-5 Switch Management Address [...]

xiv Conte nts Unusual Networ k Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6 General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6 IGMP-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7 Problems Related to Spanning-Tree Protoc[...]

xv Conten ts Transferri ng Switch Co nfiguratio ns . . . . . . . . . . . . . . . . . . . . . . . . . . A-10 B: MAC Address Management Appendix B Content s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

xvi Conte nts[...]

1-1 Sele cting a Ma nagemen t Interface 1 Selecting a Management Interface Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Understand ing Management Interf aces . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Advantag es of Using the M enu Interface . . . [...]

1-2 Selec ting a Ma nagem ent Int erfa ce Overv iew Sele cting a Ma nagemen t Int erfa ce Overview This chapte r describes the follow ing: ■ Manage ment int erfac es for th e Swit ches 25 12/2 524 ■ Advant ages of using each inte rface Understanding Management Interfaces Manage ment i nter faces enab le yo u to reco nfigure the swit ch and to m[...]

1-3 Sele cting a M anagemen t In ter face Adv antage s of Usi ng th e Me nu I nte rface Sele cting a Ma nagemen t Interface Advantages of Using the Menu Interface Figure 1-1. Example of the Console Inte rface Display ■ Provides quick, easy management access to a menu -driven subse t of switch con figuratio n and pe rformanc e featur es: The men u[...]

1-4 Selec ting a Ma nagem ent Int erfa ce Advant ages o f Us ing t he CLI Sele cting a Ma nagemen t Int erfa ce Advantages of Using the CLI Figure 1-2. Example of The Command Pr ompt ■ Provides a ccess to the compl ete set of the sw itch confi guration, perf or- mance, and di agno stic features. ■ Offers out- of-band acce ss (through the RS-232[...]

1-5 Sele cting a M anagemen t In ter face Advant ages of Using the HP We b Brow ser In terf ace Sele cting a Ma nagemen t Interface Advantages of Using the HP W eb Browser Interface Figure 1-3. Example of the HP We b Browser Interfac e ■ Easy access to the swit ch from anyw here on the network ■ Familia r browse r interf ace --locations of wind[...]

1-6 Selec ting a Ma nagem ent Int erfa ce Advant ages of Us ing H P Top Tool s for Hubs & Swi tches Sele cting a Ma nagemen t Int erfa ce Advantages of Using HP T opT ools for Hubs & Switches Y ou can operate HP T opT ools from a PC on t he network t o monitor tr affic, manage y our hubs and swit ches, and p roactively r ecommend ne twork c[...]

1-7 Sele cting a M anagemen t In ter face Advan tag es of Usin g HP TopT ools for Hub s & Switc hes Sele cting a Ma nagemen t Interface • Notifi es you w hen HP hu bs use “ self-healing ” features t o fix or limit comm on network p roblem s. • Provide s a list of discov ered d evices, wit h device type, connecti vity status, the number [...]

1-8 Selec ting a Ma nagem ent Int erfa ce Advant ages of Us ing H P Top Tool s for Hubs & Swi tches Sele cting a Ma nagemen t Int erfa ce[...]

2-1 Using the Menu Interface 2 Using the Menu Interface Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Starting and Ending a M enu Session . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Main Menu Feat ures . . . . . . . . . . . . . . . . . . . . . . [...]

2-2 Using the Menu In terface Overv iew Usin g the Me nu Int erface Overview This chap ter de scribes the fo llowing features : ■ Overvi ew of the Menu Int erface ( page 4- 1) ■ Starti ng and en ding a Men u session (p age 2-3) ■ The Mai n Menu (page 2 -7) ■ Screen struc ture and navi gati on (pag e 2-9 ) ■ Rebo oting th e swi tch (pa ge [...]

2-3 Using the Me nu In terf ace Start ing an d Ending a Men u Session Using the Menu Interface Menu I nterac tio n with Other I nter face s. ■ A configur ation chan ge made throu gh any sw itch interface overwrites earli er chan ges made th rough any other i nterf ace. ■ The Menu Inter face and the CLI (Command Lin e Interface) both use the swi[...]

2-4 Using the Menu In terface Star ting and Endi ng a Menu Session Usin g the Me nu Int erface How T o Start a Me nu Interface Session In its fac tory defau lt config uration, th e switch co nsole sta rts with the C LI prompt. T o use the menu int erface with Manage r privileg es, go to the Mana ger level pr ompt and ent er the me nu comma nd. 1. U[...]

2-5 Using the Me nu In terf ace Start ing an d Ending a Men u Session Using the Menu Interface Figure 2-1. The Main Menu with Manager P rivileges For a descri ptio n of Ma in Me nu feat ures, s ee “ Main Me nu Feat ures ” on page 2-7. Note T o config ure t he swi tch to sta rt wit h the me nu inte rface inste ad of th e CLI, go to the Manager l[...]

2-6 Using the Menu In terface Star ting and Endi ng a Menu Session Usin g the Me nu Int erface Figure 2-2. An Asterisk Indic ates a Configuration Change Requir ing a Reboot 1. I n the c urre nt sess ion, if you hav e not made con figur atio n chan ges t hat requ ire a s witch reb oot to acti vate , retu rn t o the Ma in menu an d pre ss [0] (zero) [...]

2-7 Using the Me nu In terf ace Main M enu Featur es Using the Menu Interface Main Menu Features Figur e 2- 3. The Mai n Me nu View with Mana ger P riv ilege s The Main Menu g ives you ac cess to these Me nu interfa ce features: ■ Stat us and Counter s: Provides access to display scr eens showing switch inform ation , port st atus and count ers, [...]

2-8 Using the Menu In terface Main Me nu Featu res Usin g the Me nu Int erface ■ Command Li ne (CLI): Select s the Comman d Line Inter face at the sam e level ( Manager o r Operato r) tha t you are ac cessing in the Menu interfac e. (See ch ap ter 3, "U sing t he Co mmand L ine In terfa ce (CLI )".) ■ Rebo ot Swit ch: Perfor ms a &quo[...]

2-9 Using the Me nu In terf ace Scre en Str uctur e and Nav igat ion Using the Menu Interface Screen Structure and Nav igation Menu i nterface screens incl ude the se three elements: ■ Param eter f ields and/o r read -on ly info rmat ion su ch as s tatis tics ■ Navigati on and config uration actions, such a s Save, Edit, and Canc el ■ Help li[...]

2-10 Using the Menu In terface Scre en Str uctur e and Nav igat ion Usin g the Me nu Int erface T able 4-1. How T o Navigate in the Menu Inte rface T as k: Actions: Execu te an act ion from the “ Actions – > ” list at the bot tom of the scre en: Use eit her o f the fo llow ing meth ods: • Use the arrow key s ( [< ] ,or [> ] ) to hi[...]

2-1 1 Using the Me nu In terf ace Scre en Str uctur e and Nav igat ion Using the Menu Interface T o get Help on i ndividu al parame ter descr iptio ns. In most screens there is a Help option in the Actions line. Wh enever any of the items in the Actions line is highlighted, pr ess [H] , and a separa te help screen is displayed . For ex ample: Figur[...]

2-12 Using the Menu In terface Reboot ing the Switch Usin g the Me nu Int erface Rebooting the Switch Reboot ing the swit ch from the menu interf ace ■ T erminates all c urrent session s and perform s a reset o f the operat ing system ■ Activa tes any confi guratio n change s that req uire a r eboot ■ Resets stat istical counters to zero (Not[...]

2-1 3 Using the Me nu In terf ace Reboot ing the S witch Using the Menu Interface Rebooting T o Act ivate Configu ration Changes. C onfigurati on chan ges for most par ameters bec ome effect ive as soon a s you save them. How ever , you mu st rebo ot th e swit ch in or der to implem ent a chan ge in the M aximum VLA Ns to s upp ort p arame ter . (T[...]

2-14 Using the Menu In terface Menu Fe ature s List Usin g the Me nu Int erface Menu Features List Sta tus and Co unte rs • General Sy stem Information • Switch Manageme nt Addre ss Inform ation • Port Stat us • Port Count ers • Address T a ble • Port Addr ess T able • Spanning T ree Info rmation Swi tch C onf igur atio n • System I[...]

2-1 5 Using the Me nu In terf ace Wher e To Go From Here Using the Menu Interface Where T o Go From Here This c hapter provid es an ov ervi ew of t he men u inte rface and how t o use it. The follo wing table indicates w h ere to tu rn for d etailed info rmation on how to use the ind ividual fea tures ava ilable throu gh the me nu inter face. Optio[...]

2-16 Using the Menu In terface Where To Go From Here Usin g the Me nu Int erface[...]

3-1 Us ing th e Comman d Li ne Interface (CLI) 3 Using the Command Line Interface (CLI) Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Accessing the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Using [...]

3-2 Using th e Command Line Interf ace (CLI ) Overv iew Usin g the Command Line Interf ace (CLI) Overview The CLI i s a text -based co mmand inte rface for confi guring and monit oring th e switch. Th e CLI give s you ac cess to the swi tch ’ s full set of commands w hile providing the same password protection t hat is used in the w eb browser in[...]

3-3 Using t he Co mmand Line Inter face (C LI) Usin g the CLI Us ing th e Comman d Li ne Interface (CLI) first usin g write mem ory , all ch ange s mad e si nce t he las t reb oot o r write memo ry (whichever is later) will be lost. For mor e on switch memory and saving config uration cha nges, see append ix C, "Swit ch Memory and Configur ati[...]

3-4 Using th e Command Line Interf ace (CLI ) Using the CLI Usin g the Command Line Interf ace (CLI) Caut ion HP strongly re commend s that yo u configure a Manage r password . If a Man- ager passw ord is not co nfigured, t hen the Mana ger leve l is not password - protec ted, and anyone having in-b and o r out-of -band ac cess to the switch ma y b[...]

3-5 Using t he Co mmand Line Inter face (C LI) Usin g the CLI Us ing th e Comman d Li ne Interface (CLI) Manager Privileges Manag er privi leges give y ou thre e addit ional levels of a ccess: Ma nager , Globa l Configura tion, and Cont ext Confi guration. (See figure .) A " # " charac ter delimits a ny Manage r promp t. For ex ample: HP2[...]

3-6 Using th e Command Line Interf ace (CLI ) Using the CLI Usin g the Command Line Interf ace (CLI) Changin g Interfac es. If yo u change from the CL I to the menu interfac e, or the reverse, yo u will remain at the same priv ilege level. For exa mple, entering the menu com mand from the Operator level of the CLI tak es you t o the Operator p rivi[...]

3-7 Using t he Co mmand Line Inter face (C LI) Usin g the CLI Us ing th e Comman d Li ne Interface (CLI) How T o Move Betw een Levels Movin g Betw een t he CL I and the Menu I nter face. Wh en moving between int erfaces, the switch retains th e current priv ilege level (Ma nager or Opera tor) . That is, if you ar e at th e Opera tor le vel in th e [...]

3-8 Using th e Command Line Interf ace (CLI ) Using the CLI Usin g the Command Line Interf ace (CLI) For example , if you use the CLI to set a Manager pa ssword, and then later use the Se tup scree n (in th e menu i nterfac e) to set a diffe rent Mana ger pa ssword, then the f irst password will be rep laced by the se cond one . Listing Comman ds a[...]

3-9 Using t he Co mmand Line Inter face (C LI) Usin g the CLI Us ing th e Comman d Li ne Interface (CLI) T yping ? at the Manage r level p roduce s this l isting: Figure 3-4. Example of the Manager -Level Command Listing When - - MORE - - appears, there are mo re comm ands in the li sting. T o list the next screenf ull of comma nds, press the Spa c[...]

3-10 Using th e Command Line Interf ace (CLI ) Using the CLI Usin g the Command Line Interf ace (CLI) As mentioned above, if you t ype part of a co mmand word a nd press [T ab] , the CLI com pletes the cur rent word ( if you have typed enough o f the word f or the CLI to distingu ish it from other possib ilities), includ ing hyphena ted exten- sion[...]

3-11 Using t he Co mmand Line Inter face (C LI) Usin g the CLI Us ing th e Comman d Li ne Interface (CLI) Thus, if you w anted to creat e a port trunk group using ports 5 - 8, the abov e conven tions show tha t you could do so using any o f the followin g forms of the trunk command: HP2512(config)# trunk trk1 trunk 5-8 HP2512(config)# trunk trk1 tr[...]

3-12 Using th e Command Line Interf ace (CLI ) Using the CLI Usin g the Command Line Interf ace (CLI) Figure 3-7. Example of Co ntext-Sensitive Command-List Help Displaying He lp for an Indi vidual Command. Y ou can display He lp for any co mmand that is avail able at the cu rren t cont ext le vel by en teri ng enou gh of the co mmand stri ng to id[...]

3-13 Using t he Co mmand Line Inter face (C LI) Usin g the CLI Us ing th e Comman d Li ne Interface (CLI) Figure 3-9. Example o f Help f or a S pecific Instan ce of a Comma nd Note that if you try to list the help for an individual co mmand from a privi lege level th at doe s not incl ude that command, the swi tch retur ns an erro r message . For e[...]

3-14 Using th e Command Line Interf ace (CLI ) Using the CLI Usin g the Command Line Interf ace (CLI) Figure 3-10. Context-Sp ecific Command s Affecting Port Conte xt HP2512(eth-5-8)# ? HP2512(eth-5-8)# ? Lists the commands you can use i n the por t or sta tic tr unk context, plus the Manage r , Opera tor , and cont ext comma nds you ca n execut e [...]

3-15 Using t he Co mmand Line Inter face (C LI) Usin g the CLI Us ing th e Comman d Li ne Interface (CLI) VLAN Contex t . Includes VLAN- speci fic comman ds that appl y only to the selected VLAN, plus Manager a nd Operat or comma nds. The pro mpt for thi s mode incl udes the VLA N ID of the selec ted VLAN. F or example , if you had alre ady c onfig[...]

3-16 Using th e Command Line Interf ace (CLI ) CLI Contr ol and Edit ing Usin g the Command Line Interf ace (CLI) CLI Control and Editing Key st rokes Function [Ctrl] [A] Jumps to the fir st char acter of the co mmand line . [Ctrl] [B] or [< ] Moves the curs or back on e chara cter . [Ctrl] [C] T erminat es a ta sk and disp lay s th e comman d p[...]

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

4-2 Using th e HP Web Brows er Interfa ce Overv iew Using the HP Web Browser Interface Overview The HP we b browser i nterfac e built into the swit ch lets y ou easily access the switch from a browser -based PC on your netwo rk. This lets you do the following : ■ Optimize y our net work upt ime b y using th e Alert Log and other dia gnostic tools[...]

4-3 Using the HP Web Brows er Interfa ce Gener al Feat ures Using the HP Web Browser Interface General Features The Se ries 250 0 switch es inclu de these web browser i nterfa ce feat ures: Switch Configu ration: • Ports • VLANs an d Prim ary VLAN • Faul t de tect ion • Port monit oring (mir roring ) • System in formation • Enable/ Disa[...]

4-4 Using th e HP Web Brows er Interfa ce Web Br owser In terf ace Re quire ments Using the HP Web Browser Interface W eb Browser Interface Requirements Y ou can use equip ment me eting the f ollowing requirem ents to a ccess the web brows er int erfac e on yo ur in tran et. T able 4-1. Sy stem Requirements for Accessing the HP Web Browser Interfac[...]

4-5 Using the HP Web Brows er Interfa ce Starti ng an HP Web Browser Inte rface Session with t h e S witch Using the HP Web Browser Interface Starting an HP W eb Browser Interface Session with the Switch Y ou can start a web bro wser session in the following ways: ■ Using a standalon e web bro wser on a netw ork conne ction from a PC or UNIX work[...]

4-6 Using th e HP Web Brows er Interfa ce Star ting an H P Web Br owser I nterfa ce Sess ion with the Swi tch Using the HP Web Browser Interface 2. T ype the IP address (or DNS name) of the switch in the brow ser Locatio n or Add ress field an d press [Enter] . (It is not necessary to include http: // .) switch2512 [En ter] (exa mple of a DN S-type[...]

4-7 Using the HP Web Brows er Interfa ce Starti ng an HP Web Browser Inte rface Session with t h e S witch Using the HP Web Browser Interface 3. T he web brow ser i nterf ace au toma tica lly s tart s with the Statu s Ove rvie w window d isplayed for th e selecte d device, as shown in figur e 4-1. Note If the Registratio n windo w appears, cl ick o[...]

4-8 Using th e HP Web Brows er Interfa ce Tasks for Your Fi rst HP Web Browser I nterface Session Using the HP Web Browser Interface T asks for Y our Firs t HP W eb Browser Interface Session The first ti me you acc ess the web browse r interfac e, there are three tasks that you should pe rform: ■ Revie w the “ First T ime Instal l ” window ?[...]

4-9 Using the HP Web Brows er Interfa ce Task s for You r First H P Web Br owser In terfac e Sessi on Using the HP Web Browser Interface This wind ow is the launc hing point for the ba sic configur ation yo u need to perform t o set web browse r interfa ce passwords to maintain se curity an d Fault Detection polic y , which determines the t ypes of[...]

4-10 Using th e HP Web Brows er Interfa ce Tasks for Your Fi rst HP Web Browser I nterface Session Using the HP Web Browser Interface Figure 4-3. The Device Passwords Window T o set the passwords: 1. Acc ess the Device Pa sswords scree n by one of the follo wing me thods: • If the Alert Lo g incl udes a “ First T ime Install ” ev ent ent ry ,[...]

4-1 1 Using the HP Web Brows er Interfa ce Task s for You r First H P Web Br owser In terfac e Sessi on Using the HP Web Browser Interface Using the Passwords Figur e 4- 4. Exam ple of th e Pas swor d Wi ndow in the Web Bro wser Int erfa ce The manag er and op erator passwords are used to cont rol acce ss to all switc h interfac es. Once set , you [...]

4-12 Using th e HP Web Brows er Interfa ce Tasks for Your Fi rst HP Web Browser I nterface Session Using the HP Web Browser Interface Online Hel p for the HP W eb Browser Interf ace Onl ine H elp is ava ilabl e fo r the web b row ser inter face. Y o u ca n use it b y click ing on the qu estion ma rk button in the upper r ight cor ner of an y of the[...]

4-1 3 Using the HP Web Brows er Interfa ce Suppor t/Mgmt URLs Featur e Using the HP Web Browser Interface Support/Mgmt URLs Feature The Suppor t/Mgmt UR Ls window enables you to cha nge the W orld Wide W eb Universal Re source Lo cator (U RL) for tw o functions: ■ Suppor t URL – a support infor mation site fo r your swi tch ■ Management S erv[...]

4-14 Using th e HP Web Brows er Interfa ce Suppor t/Mg mt UR Ls Feat ure Using the HP Web Browser Interface Support URL This is the site that the switch a ccesses whe n you clic k on the Suppo rt tab on the web br owser int erface. The defaul t URL is: http: //w ww.hp.com /go /pro curv e which is the W o rld W ide W eb site for Hewle tt-Packard ’[...]

4-1 5 Using the HP Web Brows er Interfa ce Suppor t/Mgmt URLs Featur e Using the HP Web Browser Interface ■ If you have W orld Wide W eb acces s from yo ur PC or wor kstation , and do not ha ve HP T opT ools inst alled o n your network, e nter the follow ing URL in the Mana gement Se rver URL field show n in figure 4-7 on pag e 4-15 : http: //w w[...]

4-16 Using th e HP Web Brows er Interfa ce Stat us Repo rtin g Feature s Using the HP Web Browser Interface Status Reporting Features Brows er el ements cover ed in this s ectio n incl ude: ■ The Overvi ew window (be low) ■ Port utilization and status (page ) ■ The Al ert log ( page ) ■ The Sta tus bar (page ) The Overview W indow The Overv[...]

4-1 7 Using the HP Web Brows er Interfa ce Status R eport ing Fe atures Using the HP Web Browser Interface The Port Utilization and Status Displa ys The Port Utili zation and Status displays show an overvi ew of the stat us of the switch and the amount of ne twork activ ity on each p ort. The follo wing figur e shows a sample readi ng of the Port U[...]

4-18 Using th e HP Web Brows er Interfa ce Stat us Repo rtin g Feature s Using the HP Web Browser Interface ■ Maximum Ac tivity Ind icato r: As the bars in the gr aph ar ea ch ange height to refl ect the level of network activi ty on the corresp onding port, they l eave an o utline t o identi fy the ma ximu m activity level that has b een observe[...]

4-1 9 Using the HP Web Brows er Interfa ce Status R eport ing Fe atures Using the HP Web Browser Interface Port Sta tus Figure 4-12. The Port Statu s Indicator s and Lege nd The Port Stat us indicator s show a symbol for e ach port tha t indicates the general st atus of the por t. There ar e four possi ble statuses: ■ Port Conne cted – the por [...]

4-20 Using th e HP Web Brows er Interfa ce Stat us Repo rtin g Feature s Using the HP Web Browser Interface The Alert Log The web brow ser inte rface Alert Log, shown in the lower half of the scre en, shows a list of network occurrences, or alerts , that were d etected by the switch . T ypical alerts are B roadcast Storm , indicating an ex cessive [...]

4-2 1 Using the HP Web Brows er Interfa ce Status R eport ing Fe atures Using the HP Web Browser Interface Alert T ypes The follo wing table lists the t ypes of al erts that can be gener ated. T a ble 4-2. Alert S trings an d Descr iptions Alert Stri ng Alert Descrip tion First T ime Install Importan t insta llation information for your s witch. T [...]

4-22 Using th e HP Web Brows er Interfa ce Stat us Repo rtin g Feature s Using the HP Web Browser Interface Note When troubleshoo ting the sourc es of alerts, it ma y be helpfu l to check the switch ’ s Port Status an d Port C ounter wind ows and th e Event Lo g in the consol e interfa ce. V iewing Detail Views of Al ert Log Entries By double cli[...]

4-2 3 Using the HP Web Brows er Interfa ce Status R eport ing Fe atures Using the HP Web Browser Interface The Status Bar The Stat us Bar is displa yed in the up per lef t corner of the web browser interfa ce screen . Figure 4 -15 shows a n expand ed view o f the stat us bar . Figure 4-15. Example of th e Status Bar The Status ba r consists of f ou[...]

4-24 Using th e HP Web Brows er Interfa ce Stat us Repo rtin g Feature s Using the HP Web Browser Interface ■ Product Name. The produc t name of the sw itch to wh ich you ar e connec ted in the c urrent we b browser interface se ssion. Setting Fault Detection Poli cy One of the po werful fe atures in t he web brow ser inter face is the Fault Dete[...]

4-2 5 Using the HP Web Brows er Interfa ce Status R eport ing Fe atures Using the HP Web Browser Interface ■ High Se nsitivity . This policy dir ects the sw itch to send all ale rts to the Alert Lo g. This setting is m ost effect ive on netw orks that ha ve none or few problems. ■ Medium Sensitivi ty . This policy directs the swi tch to send al[...]

4-26 Using th e HP Web Brows er Interfa ce Stat us Repo rtin g Feature s Using the HP Web Browser Interface[...]

5-1 Configurin g IP Addressing, Inte rf ace A cce ss, and 5 Configuri ng IP Addressing, Interface Access, and System Information Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 IP Configur ation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

5-2 Config uring IP Addressin g, Inte rface Acce ss, and System Information Overv iew Config uring IP Addressing, Interfa ce Access, and Overview This chapter describ es the switch conf iguration features availabl e in the menu interfac e, CLI and w eb browser in terface. For help on how to use these interfa ces, refer to: ■ Chap ter 2 , “ Usin[...]

5-3 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n IP Configu ratio n Configurin g IP Addressing, Inte rf ace A cce ss, and IP Configuration IP Configur ation Featur es IP Ad dress and Subne t Ma sk. Confi guring th e switch wi th an IP address expands your ab ility to manage the switch and use its features. By defa ult, [...]

5-4 Config uring IP Addressin g, Inte rface Acce ss, and System Information IP Confi gurat ion Config uring IP Addressing, Interfa ce Access, and T imep Operati on. Use this op tional par ameter if you want th e switch to get its time inform ation from anothe r device operatin g as a T ime p server . In its default Timep conf igurat ion, the swit c[...]

5-5 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n IP Configu ratio n Configurin g IP Addressing, Inte rf ace A cce ss, and ■ The IP addre ssing used in the sw itch should be com patible with your network. Tha t is, the IP add ress must be unique and the su bnet mask must be appro priate f or the I P networ k. ■ If yo[...]

5-6 Config uring IP Addressin g, Inte rface Acce ss, and System Information IP Confi gurat ion Config uring IP Addressing, Interfa ce Access, and T o Configure IP Ad dressing. 1. F rom th e Main Men u, Sel ect. 2. Switch Con figuration .. . 5. IP Conf igur ation Note If multiple VLANs are conf igured, a screen show ing all VLANs ap pears instead of[...]

5-7 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n IP Configu ratio n Configurin g IP Addressing, Inte rf ace A cce ss, and 6. I f you sel ecte d Manua l , press [T ab] or [v ] , and additional fields w ill be displayed for ente ring t he IP address fo r the T imep serv er . 7. Se lect t he T imeP Poll Interval field if y[...]

5-8 Config uring IP Addressin g, Inte rface Acce ss, and System Information IP Confi gurat ion Config uring IP Addressing, Interfa ce Access, and V iewing the Current IP C o nfigurati on. The fo llowing c ommand displays the IP addres sing f or each V LAN c onfig ured in the sw itch . If onl y the DEF AUL T_ VLAN exists, then its IP conf iguration [...]

5-9 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n IP Configu ratio n Configurin g IP Addressing, Inte rf ace A cce ss, and Conf igur e an IP Addr ess an d Subnet Mask. The following command includes both the IP ad dress and the subnet mask . Y ou must e ither inc lude th e ID of the VL AN for whi ch you are c onfiguri ng[...]

5-10 Config uring IP Addressin g, Inte rface Acce ss, and System Information IP Confi gurat ion Config uring IP Addressing, Interfa ce Access, and In the C LI, you can execute t his comman d only from the glo bal conf igurati on level. The TTL range is 2 - 255 seconds. Configur e the Optio nal T ime p Server . Synta x: [no] ip timep <dhcp | manu[...]

5-11 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n IP Configu ratio n Configurin g IP Addressing, Inte rf ace A cce ss, and T able 5-1. Featur es A vailable With and Without IP Addressing on the Switch DHCP/Bootp Op eration Overview . DHCP/Boot p is used to provi de confi guration da ta from a DH CP or Bootp server to th[...]

5-12 Config uring IP Addressin g, Inte rface Acce ss, and System Information IP Confi gurat ion Config uring IP Addressing, Interfa ce Access, and 1. DHC P/Boot p request s are aut omatic ally broa dcast on t he local ne twork. (The switch sends one type of request to which eithe r a DHCP or Bo otp server c an re spond.) 2. When a DHCP or Bo otp se[...]

5-13 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n IP Configu ratio n Configurin g IP Addressing, Inte rf ace A cce ss, and Bootp O perati on. When a Boo tp server r eceives a r equest it se arches its Bootp da tabase for a re cord ent ry that matc hes the MAC ad dress in the B ootp request from the sw itch. If a m atch [...]

5-14 Config uring IP Addressin g, Inte rface Acce ss, and System Information IP Confi gurat ion Config uring IP Addressing, Interfa ce Access, and Note The above Bootp table entry is a sample that will work f or the Switc hes 2512 and 2524 w hen the ap propri ate addre sses and file na mes are used. Networ k Preparations for Config uring DHCP/Bo ot[...]

5-15 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n IP Configu ratio n Configurin g IP Addressing, Inte rf ace A cce ss, and Globally A ssigned IP Network Addr esses If you intend to conne ct your net work to ot her networ ks that use g lobally admin ister ed IP ad dresse s, Hewl ett-Pa ckar d stron gly rec ommen ds tha t[...]

5-16 Config uring IP Addressin g, Inte rface Acce ss, and System Information Inter face Ac cess: Conso le/Ser ial Li nk, Web, a nd Inbo und Te lnet Config uring IP Addressing, Interfa ce Access, and Interface Access: Console/Serial Link, W eb, and Inbound T elnet Interface Access Features In most ca ses, the defau lt conf iguration is accep table f[...]

5-17 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n Inte rfac e Acce ss: Co nsole /Ser ial Link, We b, and Inbo und Teln et Configurin g IP Addressing, Inte rf ace A cce ss, and Menu: Modifying the Interface Ac cess The menu int erface en ables y ou to modify these pa rameters: ■ Inactivi ty T imeout ■ Inbound T elnet[...]

5-18 Config uring IP Addressin g, Inte rface Acce ss, and System Information Inter face Ac cess: Conso le/Ser ial Li nk, Web, a nd Inbo und Te lnet Config uring IP Addressing, Interfa ce Access, and CLI: Modifying the Interface Access Interface Access Commands Used in This Section Listing t he Current Co nsole/Serial L ink Configura tion. This com-[...]

5-19 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n Inte rfac e Acce ss: Co nsole /Ser ial Link, We b, and Inbo und Teln et Configurin g IP Addressing, Inte rf ace A cce ss, and Recon figure W eb Brow ser Acc ess. In t he d efaul t co nfig urat ion, web browser access is enab led. Synta x: [ no] we b-managem ent T o disab[...]

5-20 Config uring IP Addressin g, Inte rface Acce ss, and System Information Inter face Ac cess: Conso le/Ser ial Li nk, Web, a nd Inbo und Te lnet Config uring IP Addressing, Interfa ce Access, and Figure 5-6. Example of Exe cuting the Console C ommand w ith Multipl e Paramete rs Y ou can also exec ute a series of console c ommands and t hen save [...]

5-21 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n System Info rmatio n Configurin g IP Addressing, Inte rf ace A cce ss, and System Information Sy st em Informa tion Features Config uring system information is option al, but recom mended. System N ame: Usin g a unique na me helps yo u to identif y individual de vices in[...]

5-22 Config uring IP Addressin g, Inte rface Acce ss, and System Information System In formation Config uring IP Addressing, Interfa ce Access, and Daylight T ime Rule: Specifies t he day light sav ings tim e rule to appl y for your location. The default is None . (For mor e on this topic, see appendix D, “ Dayli ght Saving s T ime on HP Pr oCurv[...]

5-23 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n System Info rmatio n Configurin g IP Addressing, Inte rf ace A cce ss, and CLI: V iewing and Con figurin g System Informatio n Sy stem Informat ion Command s Used in Thi s Sectio n Listing th e Curr ent System Inform ation. This command lists the current system informati[...]

5-24 Config uring IP Addressin g, Inte rface Acce ss, and System Information System In formation Config uring IP Addressing, Interfa ce Access, and Figure 5-10. Sy stem Informatio n Listing After Executing the Prece ding Comman ds Recon figure t he Age Int erval f or Learn ed MAC Addresses . This com- mand corre sponds to th e MAC Age I nterval in [...]

5-25 Configurin g IP Address ing, Interf ace Acce ss, and Sys tem Informatio n System Info rmatio n Configurin g IP Addressing, Inte rf ace A cce ss, and Configure the T ime an d Date. The switch uses the ti me command to co n- figure bot h the time of day an d the date. Also, executing ti me without para m- eters li sts the switch ’ s time of da[...]

5-26 Config uring IP Addressin g, Inte rface Acce ss, and System Information System In formation Config uring IP Addressing, Interfa ce Access, and[...]

6-1 Optimizing Port Usage Throug h Traff ic Control and 6 Optimizing Port Usage Through T raffic Contro l and P ort T runking Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Viewing Port Status and Configuring Port Parameters . . . . . . . . . . . . . . . . [...]

6-2 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Overv iew Optimizing Port Usage Throug h Traff ic Control and Overview This chap ter incl udes: ■ Config uring p orts, inclu ding m ode (spe ed an d duplex) , flo w cont rol, and broadca st co ntrol par ameters (p age 6-2 ) ■ Creat ing and modi fyin g a dynami c LACP or st[...]

6-3 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Viewin g Port Status and Co nfiguri n g Port Parame ters Optimizing Port Usage Throug h Traff ic Control and T a ble 6-1. Status and Par ameters for E ach Port T ype Status or Para met er Descriptio n Intr usio n Alert (read -only ) Ye s : The switc h has dete cted an a tt[...]

6-4 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking View ing Po rt S tatus and Con figur ing Port Par ameter s Optimizing Port Usage Throug h Traff ic Control and 100/1000Ba se-T ports: • Auto (de fault ): Sens es spee d and nego tiat es with the por t at the ot her end o f the li nk for po rt opera tion (MDI-X o r MDI). T o [...]

6-5 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Viewin g Port Status and Co nfiguri n g Port Parame ters Optimizing Port Usage Throug h Traff ic Control and Menu: Viewing Port Status and Configuring Port Parameters From th e menu int erface , you can co nfigu re and vi ew al l port par ameter settings an d view all por [...]

6-6 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking View ing Po rt S tatus and Con figur ing Port Par ameter s Optimizing Port Usage Throug h Traff ic Control and Figure 6-12. Example of Port /T ru nk Sett ings with a T runk Group Configur ed 2. Press [E] (for E dit). T he cursor m oves to the Enable d field f or the fi rst por[...]

6-7 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Viewin g Port Status and Co nfiguri n g Port Parame ters Optimizing Port Usage Throug h Traff ic Control and Synta x: show inter faces show inte rfac e con fig The next two fi gures list example s of the output of the abo ve tw o comman ds for the sam e port co nfigura tio[...]

6-8 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking View ing Po rt S tatus and Con figur ing Port Par ameter s Optimizing Port Usage Throug h Traff ic Control and Using the CLI T o Configure Ports. Y ou can c onfigur e one or more o f t he following po rt parameters. F or details on each op tion, see T able 6-1 on page 6-3. Syn[...]

6-9 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Viewin g Port Status and Co nfiguri n g Port Parame ters Optimizing Port Usage Throug h Traff ic Control and W eb: V iewing Port Status and Configuri ng Port Parameters In the w eb brow ser inter face: 1. Cli ck on the Con figuration tab. 2. C lick on [Port Configuration] [...]

6-10 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and Port T runking Port Status an d Con figur ation Feat ure s Port trunkin g allows you to assign up to f our ph ysical links to on e logical lin k (trunk) that fu nctions as a single, highe r -spee d link prov [...]

6-11 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Port Tr unking Optimizing Port Usage Throug h Traff ic Control and Port Conne ctions and Co nfiguration: All port trunk links must be point- to-point co nnections be tween the sw itch 251 2 or 2524 and a nother switc h, router , serve r , or w orkst ation con figu red for[...]

6-12 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and Fault T olerance : If a link in a po rt trunk fails, the switch redistri butes traffic or iginally de stined for tha t link to t he remaini ng links in t he trunk. The trunk rema ins operab le as long a s the[...]

6-13 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Port Tr unking Optimizing Port Usage Throug h Traff ic Control and T able 6-4. T run k Confi guration P rotocol s Prot ocol T runki ng Op tions LACP (802.3a d) Provide s dynamic a nd stati c LACP trun king opt ions. • Dynamic LA CP — Use th e switch-n egoti ated dyn a[...]

6-14 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and T a ble 6-5. Gener al Opera ting Ru les for P ort T runks Media: All por ts on both ends o f a trun k group mu st ha ve the same medi a type and mo de (s peed a nd dup lex). The sw itch blocks a ny tr unked l[...]

6-15 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Port Tr unking Optimizing Port Usage Throug h Traff ic Control and Span ning T ree Proto col (ST P): ST P op erate s as a globa l s ettin g on the swi tch ( one instan ce o f STP per sw itch ). Ho wever , you can adj ust ST P pa ramet ers on a pe r -por t basi s. A s tati[...]

6-16 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and Menu: V i ewing and Configur ing a Static T runk G roup Importa nt Config ure port tru nking before you conn ect the t runked lin ks to another switch, routing switch, or server . Otherwise, a b roadcast stor[...]

6-17 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Port Tr unking Optimizing Port Usage Throug h Traff ic Control and switch a utomaticall y adjust s Broadcast Limit setti ngs to be the sam e for all ports in a trunk.) T o verify th ese settings, see “ Viewi ng Port Stat us and Co nfig urin g Port Pa ramete rs ” on pa[...]

6-18 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and 8. Co nnect the trunked ports on th e switch to the corr espondi ng ports on the oppo site device . If you prev iously disabled an y of the trunked ports on the switch, en able the m now . (See “ V iewing P[...]

6-19 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Port Tr unking Optimizing Port Usage Throug h Traff ic Control and The show trunk command in this exam ple does not incl ude a por t list. As a result, the listin g shows sta tic trunk group inf ormation for a ll switch por ts. Figure 6-7. Example o f a Sh ow T runk Listi[...]

6-20 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and bandwid th for the tru nk. In the nex t example, po rts 1 thro ugh 5 hav e been configure d for the sa me LACP trunk . Notice that one of the links shows Standby st atus, while the remaining four links are ?[...]

6-21 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Port Tr unking Optimizing Port Usage Throug h Traff ic Control and Y ou can configure trunk g roup types as fo llows: Note The following e xamples sh ow how to create d ifferent t ypes of t runk gr oups. Howeve r , the Switch es 251 2 and 2 524 al low only one tru nk gr o[...]

6-22 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and Enabling a Dynamic LACP T runk Group. In th e defaul t port config u ra- tion, all ports on the switch are set to L ACP passive. However , to enable the switch to autom atically f orm a trunk g roup that is d[...]

6-23 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Port Tr unking Optimizing Port Usage Throug h Traff ic Control and Removing Po rts from a Dynamic LACP T runk Group. T o re move a por t from dyna mic LAC P trunk o peration, y ou must t urn off L ACP on the port . (On a port in an o peratin g, dynam ic LA CP trunk, y ou [...]

6-24 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and T runk Group Operation Using LACP The switc h can a utomati cally configu re a dy namic LA CP trunk group or you can man ually co nfigure a static L ACP tr unk group . The met hods for displaying Note LACP re[...]

6-25 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Port Tr unking Optimizing Port Usage Throug h Traff ic Control and Default Port Operation In the defa ult conf iguration, a ll ports are co nfigured f or passive LACP . How- ever , if LACP is not conf igured , the port will not try t o detect a t runk conf ig- uration and[...]

6-26 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and LACP Notes and Restriction s Changin g T runking Methods. The switch supp orts one trunk gr oup. Thus, a port belongin g to an LACP dyn amic t runk (D yn1) cannot b e con figure d as a membe r of a st atic t [...]

6-27 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Port Tr unking Optimizing Port Usage Throug h Traff ic Control and Half-Duplex and/or Di fferent Port Speed s Not All owed in LACP T runks. The po rts on both side s of a trun k must be config ured for the same speed and for full-du plex (FDx) . In most c ases,HP recommen[...]

6-28 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and ■ Dependin g on the capa bilities of the device on the other end o f the trunk, negoti ate the f orward ing mecha nism on t he trunk to the no n-protocol option. ■ When auto -negotiat ed to the SA/DA for [...]

6-29 Optimizing P o rt Usag e Thro ugh Tra ffic Con trol a nd Port Tru nkin g Port Tr unking Optimizing Port Usage Throug h Traff ic Control and and sends t raffic from the same sourc e address to a differe nt destination address t hrough a d ifferent link , depending on the rota tion of pat h assign - ments among the links in the trunk. Likew ise,[...]

6-30 Optimizi ng Port Usag e Thr ough T raffic Control and Port Tr unking Port Tr unki ng Optimizing Port Usage Throug h Traff ic Control and[...]

7-1 Using Passwords, Port Securi ty, an d Auth orized IP 7 Using Passwords, Port Security , and Authorized IP Managers T o Protect Against Unauthorized Access Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3 Using Password Security . . . . . . . . . . . . . . . .[...]

7-2 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Chap ter Co ntent s Using Passwords, Port Security, and Autho rized IP Defining Authorized Management Stations . . . . . . . . . . . . . . . . . . . . . 7 -31 Overview of IP Mask Opera tion . . . . . . . . . . . . . . . . . . . . . . [...]

7-3 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Overvi ew Using Passwords, Port Securi ty, an d Auth orized IP Overview ■ Manag er and Oper ator passw ord s (page 7-4) : Cont rol ac cess a nd privil eges for th e co mmand line a nd me nu int erfac es (t hrou gh ei ther t he cons[...]

7-4 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Using Pa ssword Securit y Using Passwords, Port Security, and Autho rized IP Using Password Security Passwor d Fe atures Console a ccess incl udes both t he menu in terfac e and the CLI. The re are t wo levels of co nsole access: Ma n[...]

7-5 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Using Pa ssword Secu rity Using Passwords, Port Securi ty, an d Auth orized IP If you set a Mana ger passwor d, you may a lso want to con figure the Inactivity T ime para meter (see page 5- 16). T his causes the cons ole ses sio n to[...]

7-6 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Using Pa ssword Securit y Using Passwords, Port Security, and Autho rized IP Figure 7-1. The Set Password Screen 2. T o set a new password: a. Select Set Manager Password or Set O perator Password . Y ou will then be prompte d with En[...]

7-7 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Using Pa ssword Secu rity Using Passwords, Port Securi ty, an d Auth orized IP T o Recov er fr om a Lost Ma na ger Pa sswo rd: If y ou canno t start a c on- sole session at the manager level because of a lost Manager passwor d, you c[...]

7-8 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Using Pa ssword Securit y Using Passwords, Port Security, and Autho rized IP W e b: Configuring User Names and Passwords In the web brow ser interfa ce you can ente r both user name s and passwords. Because user names do not apply in [...]

7-9 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP Configuring an d Monitoring Po rt Security Using Port Security , you can configure each sw itch port with a unique list of the M AC a[...]

7-10 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Confi gurin g and Mo nito ring P ort Se curit y Using Passwords, Port Security, and Autho rized IP ■ Intrusi on Log entr ies in eit her the me nu interfa ce, CLI, or web browser inter face For any por t, you can configu re the f ol[...]

7-11 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP Figure 7-3. Example of How Port Secur ity Control s Access Note Broadcast and Multica st traff ic is not “ unau thorized ” traf [...]

7-12 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Confi gurin g and Mo nito ring P ort Se curit y Using Passwords, Port Security, and Autho rized IP b. Which dev ices (MA C addre sses) are author ized on each po rt (up t o 8 per port )? c. For e ach port, w hat securit y actions do [...]

7-13 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP CLI: Port Security Command Options and Operation Port Sec urity Command s Used in T his Sectio n This section describe s the CLI por[...]

7-14 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Confi gurin g and Mo nito ring P ort Se curit y Using Passwords, Port Security, and Autho rized IP T abl e 7-1. Port Secu rity Para meters Para met er Descriptio n Port Lis t <[eth ern et] po rt-l ist > Ide ntifi es the por t o[...]

7-15 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP Device Limit address- limit <intege r> When L earn Mode is se t to Static , specifi es how many author ized de vices (M AC add[...]

7-16 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Confi gurin g and Mo nito ring P ort Se curit y Using Passwords, Port Security, and Autho rized IP CLI: Displaying Current Port S ecurity Settings The CLI uses the same co mmand t o provide t wo type s of port security listings: ■ [...]

7-17 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP Figure 7-5. Example of the Port Security Config uration Display for a Single Port The follow ing comm and ex ample show s the opt io[...]

7-18 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Confi gurin g and Mo nito ring P ort Se curit y Using Passwords, Port Security, and Autho rized IP Specifyin g Autho rized Devic es and Intr usion R esponses. This exam- ple conf igures port 1 to automa tically ac cept the fir st dev[...]

7-19 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP W ith the above c onfigur ation fo r port 1, the foll owing co mmand add s the 0c009 0-45 6456 MAC addr ess a s the s econd author i[...]

7-20 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Confi gurin g and Mo nito ring P ort Se curit y Using Passwords, Port Security, and Autho rized IP T o a d d a seco nd autho rized device to port 1, execu te a po rt-securi ty com mand for for port 1 that raises the address lim it to[...]

7-21 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP For examp le, suppose por t 1 is configu red as shown be low and you w ant to remove 0 c0090-1 23456 from the A uthori zed Addre ss [...]

7-22 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Confi gurin g and Mo nito ring P ort Se curit y Using Passwords, Port Security, and Autho rized IP T o access the web -based Help provided for the switch, click on [?] in the web browser screen. Reading Intrusi on Alerts and Resettin[...]

7-23 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP The Int rusion Log l ists the 20 most recently de tected se curity vi olation attempts, r egardle ss of whether th e alert f lags fo[...]

7-24 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Confi gurin g and Mo nito ring P ort Se curit y Using Passwords, Port Security, and Autho rized IP Menu: Checking for Intrusio ns, Listing Intrusion Alerts, and Resetting Alert Flags The menu interface indicates p er -port intrusi on[...]

7-25 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP The ab ove examp le show s two intru sions for port 3 and o ne intru sion for port 1. In this case, on ly the most rece nt intrus io[...]

7-26 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Confi gurin g and Mo nito ring P ort Se curit y Using Passwords, Port Security, and Autho rized IP Synta x: show int erfac e List Intrus ion Alert stat us. show int rusion -log List Intru sion Log cont ent. clear intru sion- log Clea[...]

7-27 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP 20 intrusi on records, and deletes intru sion records onl y when the log beco mes full and ne w intrusions are subsequently added.) [...]

7-28 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Confi gurin g and Mo nito ring P ort Se curit y Using Passwords, Port Security, and Autho rized IP Figure 7-12. Example of Log Listing With and Without Detected Security Violation From the M enu Int erface: In the M ain Menu, c lick [...]

7-29 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Confi guring and Mon itor ing Po rt Sec urit y Using Passwords, Port Securi ty, an d Auth orized IP Proxy W eb Serv ers. If you are us ing t he sw itch ’ s web brow ser inter face throug h a switch por t configur ed for Stat ic po[...]

7-30 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Using I P Auth orized Manage rs Using Passwords, Port Security, and Autho rized IP Using IP Authorized Managers Authoriz ed IP Manager Fe atures This fe ature en ables yo u to en hance se curity on the switch by using IP addresses to[...]

7-31 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Usin g IP Aut horiz ed Ma nage rs Using Passwords, Port Securi ty, an d Auth orized IP Access Levels For ea ch aut horized m anager addre ss, you can config ure either o f these access levels: ■ Manag er: Enables full acc ess to a[...]

7-32 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Using I P Auth orized Manage rs Using Passwords, Port Security, and Autho rized IP Overview of IP Mask Operation The defau lt IP Mask is 255.25 5.255.255 an d allows switch acce ss only to a station having an IP address that is id en[...]

7-33 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Usin g IP Aut horiz ed Ma nage rs Using Passwords, Port Securi ty, an d Auth orized IP Menu: V i ewing and Configur ing IP Authorized Managers From the c onsole Main Menu, select : 2. Switch Con figuratio n . . . 7. IP Au thoriz ed [...]

7-34 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Using I P Auth orized Manage rs Using Passwords, Port Security, and Autho rized IP Editing o r Deleting an Aut horized Manag er Entry . Go to the IP Ma nag- ers List scree n (figure 7-1 3), highlight the desired e ntry , and press [E[...]

7-35 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Usin g IP Aut horiz ed Ma nage rs Using Passwords, Port Securi ty, an d Auth orized IP Configuring IP A uthorized Managers for the Switch Synta x: ip au thor ized -ma nag ers <ip ad dre ss> [mask <mask-bits> ] <operat[...]

7-36 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Using I P Auth orized Manage rs Using Passwords, Port Security, and Autho rized IP The fol lowing co mmand r eplaces th e exist ing ma sk and access level for IP addre ss 10. 28.2 27.1 01 w ith 255.0.0.0 an d manager (the de faults) [...]

7-37 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Usin g IP Aut horiz ed Ma nage rs Using Passwords, Port Securi ty, an d Auth orized IP T able 7-2. Analy sis of IP Mask for Single-Station Entr ies Configuring Multipl e Stations Per Authorized Manager IP Entry The mask determi nes [...]

7-38 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Using I P Auth orized Manage rs Using Passwords, Port Security, and Autho rized IP T able 7-3. Analy sis of IP Mask for Multiple-Statio n Entries Figure 7-16. Example of Ho w the Bitmap in the IP Mask Defin es Authorized Manag er Add[...]

7-39 Usin g Pass word s, Port Se curit y, an d Autho riz ed IP Man agers To Prote ct Ag ainst U naut hori zed Ac cess Usin g IP Aut horiz ed Ma nage rs Using Passwords, Port Securi ty, an d Auth orized IP Additi onal Examples fo r Authoriz ing Mult iple Stat ions Operating an d T roublesh ooting Notes ■ Networ k Security Precauti ons: Y ou can en[...]

7-40 Using Pass words, Port Secu rity , an d Au thori zed I P Man ager s To Prote ct Agains t Una uth orized Acce ss Using I P Auth orized Manage rs Using Passwords, Port Security, and Autho rized IP[...]

8-1 Monit oring a nd Ma naging the Swit ch 8 Configuri ng for Network Management Applications Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 SNMP Management Feat ures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Configuring [...]

8-2 Config uring fo r Network M anagement Applica tions Overv iew Monit oring a nd Ma naging the Switc h Overview Y ou can manage the switch via SNMP fro m a networ k manageme nt station . For this purp ose, HP recommen ds HP T opT ools for Hubs & Switche s — an easy-to-in stall and use ne twork man agement app lication that runs on y our W i[...]

8-3 Confi guri ng for Net work Ma nagem ent App licat ions SNMP Ma nagement Featur es Monit oring a nd Ma naging the Swit ch SNMP Management Features SNMP ma nagemen t features on the switch incl ude: ■ SNMP version 2c over IP ■ Securit y via co nfigurat ion of SNMP communit ies ■ Event re porting via SNMP • Ve r s i o n 1 t r a p s • RMO[...]

8-4 Config uring fo r Network M anagement Applica tions Config uring fo r SNMP Ac cess to the Switch Monit oring a nd Ma naging the Switc h • HP Entit y MIB ( entity .mib) The swi tch SNMP agent al so uses ce rtain variab les that are incl uded i n a Hewlett -Packard propri etary MIB file y ou can add t o the S NMP dat abase in your ne twork mana[...]

8-5 Confi guri ng for Net work Ma nagem ent App licat ions Conf igur ing fo r SNMP Access to the Sw itch Monit oring a nd Ma naging the Swit ch Caut ion Deletin g the comm unity nam ed “ public ” disable s many network mana gement functions (suc h as auto-discov ery, traffic monitoring, SN MP trap gener ation, and thre shold setting ). If secur[...]

8-6 Config uring fo r Network M anagement Applica tions SNMP Communities Monit oring a nd Ma naging the Switc h SNMP Communities SNMP Com muni ty Feat ures Use SNMP communities to restrict access to the switch by SNMP management stations by adding, edit ing, or dele ting SNMP communitie s. Y ou can config ure up to fiv e SNMP commu nitie s, each w [...]

8-7 Confi guri ng for Net work Ma nagem ent App licat ions SNMP Communities Monit oring a nd Ma naging the Swit ch Figur e 8-1. The SN MP Commu niti es Scree n (Defau lt Values) 2. Press [A] (for Add ) to display the followin g screen: Figure 8-2. The SNMP Add or Edit Sc reen Need Help? If you nee d informati on on the optio ns in each field, pr es[...]

8-8 Config uring fo r Network M anagement Applica tions SNMP Communities Monit oring a nd Ma naging the Switc h CLI: V iewing and Con figur ing Commun ity Names Community Name Commands U s ed in T his Section Listing Current Co mmunity Names and V alues Listing Co mmunity Names. This command lists the data forcur rently con- figu red SNM P commu ni[...]

8-9 Confi guri ng for Net work Ma nagem ent App licat ions SNMP Communities Monit oring a nd Ma naging the Swit ch HP2512# show snmp-server public Configuring Identity In formation This com mand en ables you to ente r conta ct-person and loc ation d ata to h elp identify the switc h. Synta x: snmp-server [con tact <c onta ct -str> ] [location[...]

8-10 Config uring fo r Network M anagement Applica tions Trap Re ceiv ers and A uthent ica tion Tr aps Monit oring a nd Ma naging the Switc h T rap Receivers and Authentication T raps T rap Features A trap receiver is a manage ment s tatio n des ignat ed by th e sw itch to rece ive SNMP traps sent from the switch . An authentica tion trap is a spec[...]

8-11 Confi guri ng for Net work Ma nagem ent App licat ions Trap Re ceive rs and Au thent icati on Trap s Monit oring a nd Ma naging the Swit ch CLI: Configur ing and Displaying T rap Receivers T rap Re ceiver Comman ds Used in This Sec tion Using the CLI T o List Current SNMP T rap Receivers This comman d lists the cu rrently configured trap recei[...]

8-12 Config uring fo r Network M anagement Applica tions Trap Re ceiv ers and A uthent ica tion Tr aps Monit oring a nd Ma naging the Switc h Configurin g T rap Receivers This command speci fies trap receivers by community membership , manage- ment s tation IP ad dress, and t he type of Even t Log m essa ges t o send t o the trap receiv er . Note I[...]

8-13 Confi guri ng for Net work Ma nagem ent App licat ions Advan ced Ma nagem ent: RM ON and H P Exte nded RMON Su pport Monit oring a nd Ma naging the Swit ch Advanced Management: RMON and HP Extended RMON Supp ort The switch suppor ts RMON (Remote Monitorin g) and HP Extende d RMON on all conn ected networ k segment s. This allows fo r troublesh[...]

8-14 Config uring fo r Network M anagement Applica tions Advan ced M anageme nt: RMON and HP Exte nded R MON Suppo rt Monit oring a nd Ma naging the Switc h[...]

9-1 Configuring Advanced Features 9 Configuring Advanc ed Features Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4 HP ProCurv e Stack Manage ment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9- 5 Which Devices Support Stacking? . . . . . . . . . .[...]

9-2 Config uring Ad vance d Feat ures Chap ter Co ntent s Confi guring Adva nced Features Transmission Interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9- 47 Stacking Operation with Multiple VLANs Configured . . . . . . . . . . . 9- 4 7 Web: Viewing and Configuring Stacking . . . . . . . . . . . . . . . . . . . .[...]

9-3 Conf iguring A dvanced F eatur es Chap ter Co ntent s Configuring Advanced Features Multime dia Traffic Co ntrol wi th IP Mult icast (I GMP) . . . . . . . . . 9- 91 IGMP Operating Feat ures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9- 9 2 CLI: Configuring and Displaying IGMP . . . . . . . . . . . . . . . . . . . . . [...]

9-4 Config uring Ad vance d Feat ures Overv iew Confi guring Adva nced Features Overview This chapt er describe s the follow ing featur es and h ow to conf igure the m with the switch ’ s built-i n interfac es: ■ HP ProCurv e Stack Manage ment (Page 9- 5): Use your network t o stac k swit ches w ithou t the need for any s pec ializ ed ca bling [...]

9-5 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features HP ProCurve Stack Management Stac king Featu res HP ProCur ve Sta ck Mana gement ( terme d stacking ) enabl es you to us e a single IP addr ess an d standar d netw ork ca bling t o manag e a gro up of u p to 1 6 tot al switch es in the same IP subnet [...]

9-6 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features ■ Simplify ma nagement of small workgr oups or wirin g closets while scaling y our networ k to handl e incr eased ba ndwidth demand. ■ Elimina te any sp ecializ ed cables for stack ing con nectivit y and remove the distanc e barrie rs that typi[...]

9-7 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Components of HP ProCurve Stack Management T a ble 9-1. Stacki ng Definiti ons Figure 9-1. Illustration of a Sw itch Moving from Candid ate to Member General Stacking Operation After yo u config ure one swit ch to oper ate as the Command er of a stac [...]

9-8 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Figure 9-2. Example of Stacking with One Commander Controlling Access to Wiring C loset S witches Interfac e Options. Y ou ca n configur e stacking through the switch ’ s menu interfac e, CLI, or the web browser int erface. For informa tion on ho[...]

9-9 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features ■ Ther e is no li mit on the nu mber of s tacks in t he sam e I P subnet (broadc ast domain), how ever a switch can belong to only on e stack. ■ If multiple V LANs are conf igured, stacki ng uses on ly the primary VLAN on any switch. In the fac to[...]

9-10 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Note In the default sta ck configu ration, t he Candidat e Aut o Join parame ter is enab led, b ut th e Comm ander Auto Gra b paramete r is disabl ed. This prevents Candida tes from auto matically joini ng a stack prem aturely or join ing the wron[...]

9-11 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Overview of Configur ing and Bringin g Up a Stack This process assumes that: ■ All sw itc hes y ou w ant t o in clude in a st ack are c onnec ted t o th e s ame subnet ( broadcast domain ). ■ If VLANs are en abled on the switches you want to incl[...]

9-12 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features T a ble 9-3. Stac king Con figuratio n Guide The easiest way to a utomatically create a stac k is to: 1. Configure a switch as a Commander . 2. Configure I P addressing and a stack name on the Commander . 3. Set the Commander ’ s Auto Grab param[...]

9-13 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features General Steps for Creati ng a Sta ck This section describe s the general sta ck creation pr ocess. For the detailed config uration proc esses, see pa ges 9-15 thro ugh 9- 39 for the menu interf ace and page s 9-32 t hrough 9-4 4 for th e CLI. 1. Dete[...]

9-14 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features 3. For automatically or manually pulling Candidate switches into a stack, you can leave such sw itches in their def ault stacki ng configuratio n. If you need to access Candidate switches through your network before they join the stack, ass ign IP[...]

9-15 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Using the Menu Interface T o V iew Stac k Status And Configure Stacki ng Using the Menu Interface T o View and Configur e a Commander Switch 1. Configure an I P address and subnet mask on the Commander switch. (See “ IP Confi guration ” on page 5[...]

9-16 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Figure 9-6. The Default Stac k Configurati on Screen 4. Move the cursor to the Stack State field by pressing [E] (for E dit ). Then use the Space bar to select the C ommander option. 5. Press the downarrow key to display the Commander configu rati[...]

9-17 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features • No (the default) pre vents automatic joining of Candida tes that have the ir Auto Join set to Ye s . • Ye s enables the Co mmander to automatical ly take a Can didate into the stack as a Member if the Candidate has Auto J oin set to Ye s ( the [...]

9-18 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features T able 9-4.Candidate Config uration Options in the Menu Inter face Using the Me nu T o “ Push ” a S witch Into a St ack, M odify the Switch ’ s Configura tion, or Disable Stacking on the Switch. U se T eln et or the web browser in terface to[...]

9-19 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features 4. Do one of the foll owing: • T o disabl e stacki ng on the Ca ndidat e, use the Space bar to select the Disabled o ption, then go to step 5. Note: Using t he menu inte rface to disa ble stacking on a Candida te remo ves th e Can didat e from a ll[...]

9-20 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Using the Co mmander ’ s M enu T o Manually Add a Candid ate to a Stack . In t he defaul t configurat ion, you must manually add stack Me mbers from the Candidate pool. Re asons for a switch remaining a Cand idate instea d of beco ming a Membe r[...]

9-21 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Figure 9-10. Example of Candidat e List in Stack Management Screen 3. Either accept the displayed switch numb er or enter another availa ble number . (The range is 0 - 15, with 0 reserved for the Commander .) 4. Use the downarrow key to move th e cur[...]

9-22 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Figure 9-11. Example of Stac k Managem ent Screen Aft er New Member Adde d Using the Command er ’ s M enu T o Move a Memb er F rom On e Stack to Anot her . Where two or more stacks exist in th e same subnet (broadcast doma in), you can easi ly m[...]

9-23 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Y ou will then see the Stackin g Status (All) sc reen: Figure 9-12. Example of How the Sta cking Status (All) Scre en Helps Y ou Fin d Member MAC Addresses 3. In the Stacking Status (All) screen, find the Member switch that you want to move and note [...]

9-24 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features 8. Do one of the foll owing: • If the sta ck contain ing the Memb er you ar e moving has a Manage r password, pr ess the dow narro w key to sele ct the C andidat e Password field, then t ype the pa ssword. • If the sta ck contain ing the Me mb[...]

9-25 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features 4. St ack Ma nageme nt Y ou will then see the Stack Ma nagemen t screen: Figure 9-13. Example of Stac k Managem ent Screen wit h Stack Me mbers Listed 2. Use the downarrow key to select the Member yo u want to remove from the stack. Figure 9-14. Exam[...]

9-26 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Using the Commander T o Access Member Switches for Configuration Changes and Monitor ing T raffic After a Candidate be comes a stack M ember , you can use t hat stack ’ s Commande r to access the Memb er ’ s console interf ace for the same con[...]

9-27 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Figur e 9-1 7. The eX ecu te Comm and Di spla y s the Con sol e Main Menu for t he Select ed St ack Me mber 2. Y o u can now make co nfigurati on changes and/ or view status data for the selected Member in the same way that you would if you were dire[...]

9-28 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features 3. Press [B] (for B ack ) to return to the Sta cking Me nu. 4. T o displ ay Stack Co nfigura tion men u for the switch you ar e movi ng, sele ct 3. Stack Conf iguratio n 5. Press [E] (for E dit ) to select the Stack St ate para meter . 6. U se t h[...]

9-29 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Using Any Stacke d Switc h T o V iew the St atus for All Sw itche s with Stacking Enabled. This procedure displays the gen eral status of all switch es in the IP sub net ( broad cast domain ) th at hav e stacki ng en able d. 1. Go to the console Main[...]

9-30 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Figure 9-19. Example of the Co mmander ’ s Stacking Status Screen V iewing Member St atus. This proc edure di splays the Member ’ s stacking informa tion plus th e Comman der ’ s status, IP address, and MAC address. T o d isplay t h e stat u[...]

9-31 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Figure 9-20. Example of a Member ’ s Stacking St atus Scree n V iewi ng Candid ate Statu s. This procedure displ ays the C andidate ’ s stackin g configur ation. T o d isplay t h e status for a Candid ate: 1. Use T el net (if the Candidate has a [...]

9-32 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Using the CLI T o V iew Stack St atus and Confi gure Stacking The CL I enab les you t o do all of the sta cking task s available throug h the menu interfa ce.) T able 9-6 . CLI Comma nds for Co nfigu ring Sta ckin g on a Switc h CLI C ommand Opera[...]

9-33 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features [no] stac k memb er <switch- num> mac-ad dress <ma c-add r> [passw ord <p assword -str> ] Comma nder : Adds a Candi date t o stack memb ership . “ No ” form removes a Member from stac k membersh ip. T o easily determi ne the MA [...]

9-34 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Using the CLI T o View Stack Status Y ou can list the stack st atus for an in dividual swit ch and fo r other swit ches that h ave been d iscovered in the sa me subnet . Synta x: show stack [cand idates | view | all] V iewing the Stat us of an Ind[...]

9-35 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features V iewing the S tatus o f all St ack-Ena bled Swi tches D iscovered in t he IP Subne t. The next example list s all the stack- configu red switch es discov ered in the IP sub ne t. Bec ause t he Sw itch 2524 on whi ch the show stack all comm and w as [...]

9-36 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Using the CLI T o Configure a Commander Sw itch Y ou can config ure any sta cking-ena bled swit ch to b e a Com mander as long a s the intend ed stac k name does not alread y exist on t he broad cast domain . (When you con figu re a Comman der , y[...]

9-37 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Figure 9-26. Example of the Co mmander ’ s Show Stack Screen with Only the Comma nde r Disc over ed Using a Member ’ s CLI to Convert the Me mber to the C ommander of a New Stack. This pr oced ure requir es that you fi rst remo ve the Member from[...]

9-38 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Figure 9-27. Example of Usin g a Member ’ s C LI T o Convert the Membe r to the Comman der of a New St ack Adding to a S tack or Moving Switches Between Stacks Y ou can add switc hes to a stack by adding disco vered Cand idates or by moving swit[...]

9-39 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Using the Co mmander ’ s CLI T o M anually A dd a Can didate to th e Stack . T o manually a dd a candidate, yo u will use: ■ A switch num ber ( SN ) to assign to th e new member . Me mber SNs range from 1 to 15. T o see which SNs are alre ady ass[...]

9-40 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features For exa mple, if th e HP 800 0M in th e abov e listi ng did not have a Manag er password and you wanted to make it a st ack Member with an SN of 2 , you would exe cute the followin g comma nd: HP2512(config)# stack member 2 mac-address 0060b0-dfla[...]

9-41 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features ■ The Ca ndidate ’ s Auto Join is set to Ye s ( and you do n ot want to enab le Auto Grab on the C ommande r) or the Candidat e ’ s Auto Join is set to No . ■ Either yo u know the MAC address o f the Commander fo r the stack into which yo u w[...]

9-42 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Synta x: stack memb er < swit ch-nu mber > m ac-ad dres s < mac- addr > [p assword < password -str >] In the dest ination Commander , use show stack all to find th e MAC addr ess of the Mem ber you want to pull into the destinati[...]

9-43 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Synta x: no stack name <st ack na me> stack join <mac-address> If you don ’ t know the MAC addr ess of the dest inatio n Command er , yo u can use show st ack all to id ent ify it. For ex ample, suppos e you hav e a Sw itch 25 12 oper a[...]

9-44 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features Synta x: [n o] stack memb er < switch-num > ma c-address < mac-addr > Use show stack view to li st the stack Membe rs. For example, suppose tha t you wante d to use the C omman der to remove the “ North S ea ” Member fro m the foll[...]

9-45 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Y ou would then execute this c ommand in the “ North Sea ” switch ’ s CLI to remo ve the s wit ch fr om the s tack: North Sea(config)# no stack join 0030c1-7fec40 Using the CLI T o Access Mem ber Switches for Con figuration Changes and T r affi[...]

9-46 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features SNMP Community Operation i n a Stack Comm u nit y Memb ersh ip In the defa ult stacking co nfigurat ion, when a Candid ate joins a stac k, it auto matica lly be come s a Memb er of any SNMP commun ity to w hich t he Command er belong s, even thoug[...]

9-47 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features Note th at in the a bove example ( figur e 9-37) you cann ot use th e publ ic communit y throu gh the Comma nder to access any o f the Member sw itches. For examp le, you can u se the public co mmunit y to access the MIB i n switches 1 and 3 by usin [...]

9-48 Config uring Ad vance d Feat ures HP ProC urve Sta ck Mana gement Confi guring Adva nced Features ■ Stacki ng uses only the pri mary V LAN o n each s witch i n a st ack. ■ The p rimar y VLA N can be ta gged or unta gged as ne eded in th e stacking pat h from switch to swit ch. ■ The same VLAN ID (VID) must be assign ed to the primary VLA[...]

9-49 Conf iguring A dvanced F eatur es HP ProCu rve Stack Manage ment Configuring Advanced Features 3. C lick on [Apply Changes] to save a ny confi guratio n change s for the indi vidual switch. 4. If the sw itch i s a Comm ander , use the [Stack Closeup] and [Stack Man age ment] button s for vi ewing and usi ng st ack fe atures . T o access the we[...]

9-50 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features Port-Based V irtual LANs (Static VLANs) VLAN Fe ature s A VLAN is a group of ports designa ted by the switch as belonging to the same broadca st domain . (That is, all por ts carrying traffic for a part icular subn et address would nor[...]

9-51 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features saved by not allowing packets t o flood o ut all port s. An external r outer is requir ed to enabl e separa te VLANs o n a switch to communic ate with ea ch other . For exa mpl e, refer ring t o fig ure 9- 39, if po rts 1 t hroug h 4 belong[...]

9-52 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features Figur e 9-40 . Examp le of Ov erla ppin g VLAN s Usin g the Sam e Serv er Similarly , using 8 02.1Q-compli ant switches , you can conne ct multiple VLA Ns through a sin gle switch-to-switch li nk. Figur e 9-41 . Exampl e of Conn ectin [...]

9-53 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features Figur e 9-42 . Examp le of T agg ed and Untagg ed VL AN T echno logy in the Sa me Netwo rk For more informa tion on VLANs, re fer to : ■ “ Overview of Using VLANs ” (pag e 9- 53) ■ “ Menu : Config urin g VLAN P arame ters ( page 9[...]

9-54 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features DHCP or Bootp on different VLANs do n ot result i n conflict ing config uration valu es fo r th e swit ch. The primary V L AN i s t h e V L A N t he s w i tc h u s e s t o r u n and m anag e the se fe atures and data. In the facto ry-d[...]

9-55 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features Figure 9-43. Comparing P er -Port VLAN Op tions With an d Without GVRP T able 9-7. Pe r -Po rt VLAN C onfiguratio n Options Examp le of Per -Port VLAN Config uration with GV RP Disable d (the d efault) Exam ple of Pe r -Por t VLAN Configu r[...]

9-56 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features Gene ral Steps for U sing VL ANs 1. Plan your VLA N strategy a nd create a map of the logical top ology that will result fro m configur ing VLA Ns. Include consider ation for the inte raction between V LANs and other f eatures such as [...]

9-57 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features Menu: Configuring VLAN Parameters In the fact ory defau lt state, VLA N support is en abled . Also, all ports on the switch belong to the defaul t VLAN (DEF A UL T_VLA N) and are in t he same broadcas t/multica st domain . (The default VLAN[...]

9-58 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features ■ T o se lect an other p rimary VLAN , selec t the Primary VLAN fie ld and use the space bar to select f rom the e xisting optio ns. ■ T o enable o r disable dyna mic VLANs, sele ct the GVRP Ena bled field and use the S pace bar to[...]

9-59 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features Adding or Editing VLAN Names Use this proc edure t o add a n ew VLAN or to edit the name of an exist ing VLAN . 1. F rom th e Mai n Men u se lect : 2. Switch Config uration 8. VLAN Menu . . . 2. VLAN Names If multip le VLAN s are not yet co[...]

9-60 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features Figure 9-47. Example of VLAN Names Screen with a New VLAN Added 6. Repe at steps 2 thr ough 5 to add more VLANs. Rememb er tha t you c an add VLANs un til you r each t he numb er spe cified in the Maximum VLANs to supp ort field on the[...]

9-61 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features Figure 9-48. Example of VLAN Port Assignment Screen 2. T o ch ange a port ’ s VLAN assignment(s): a. Press [E] (for E dit ). b. Use the arrow k eys t o sel ect a VLAN assi gnme nt you w ant to chan ge. c. P ress the Sp ace b ar to make yo[...]

9-62 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features Figure 9-49. Example of VLAN Assignments for Specific Ports For info rmat ion on VL AN tag s ( “ Untagged ” and “ T agg ed ” ), refer to “ VLAN T aggi ng Inform ation ” on pa ge 9- 69. d. If you are fi nished assigning port[...]

9-63 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features VLAN Comman ds Used in this Section Displaying the Switch ’ s VLAN Configura tion. The next comman d lists the V LANs cu rrently ru nning in the sw itch, with VID , VLAN name, and VLAN status. Dynamic VLANs appear only if the switch is ru[...]

9-64 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features Displaying t he Configurati on for a Parti cular VLAN . Th is comma nd uses the VID to identify and di splay the da ta for a specif ic static or dyna mic VLAN. Synta x: show vlan < vlan-id > Figure 9-51. Example of “ Show V LAN[...]

9-65 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features Changing t he Number of VLANs Allo wed on the S witch. By default, the sw itch allow s a maxi mum of 8 VLA Ns. Y ou ca n spec ify an y valu e from 1 to 30. (If GVR P is en abled , this s ettin g incl udes an y dyna mic VLA Ns on t he switch[...]

9-66 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features Creatin g a New St atic VLA N Changin g the VL AN Context Level. W ith this comman d, enter ing a new VID crea tes a new static VL AN. Entering the VI D or nam e of a n existi ng static VLAN places y ou in t he conte xt lev el for that[...]

9-67 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features Converting a Dynamic V LAN to a Static V LAN. If GVRP is runnin g on the switc h and a port dynamica lly joins a V LAN, you ca n use the ne xt command t o conv ert the d ynami c VLAN to a static VLAN. (For GVRP and dynamic VLA N operati on,[...]

9-68 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features operati on. Note that Auto is the default per -port setting fo r a stati c VLAN if GVRP is runin g on the switch . (For infor mation on dyna mic VLAN and GVRP op erat ion, see “ GVR P ” on page 9-77 .) For examp le, suppose you hav[...]

9-69 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features T o configure static VLAN po rt parameters, y ou will need to use the menu interfac e (availa ble by T elnet from t he web brow ser interf ace) or the C LI. 1. Cli ck on the Conf igura tion tab. 2. C lick on [VLAN Configuration] . 3. C lick[...]

9-70 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features Figure 9-54. Exa mple of T a gged a nd Untagged VLAN Port Assi gnments ■ In switch X: • VLANs assi gned t o ports X1 - X6 can all be u ntagged b ecause t h ere i s only one V LAN assignme nt per port. Re d VLAN traf fic will go out[...]

9-71 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features Note Each 802.1Q-complia nt VLAN must ha ve its own uniqu e VID number, a nd that VLAN must be given the same VID in every device in w hich it is configured. That is, if th e Red VLAN has a VID of 10 in switch X, then 10 must also be use d [...]

9-72 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features Figure 9-56. Example of Networked 802.1Q-Compliant D evices with Multip le VLANs on Some Ports The VLANs assigne d to ports X3, X4, Y2, Y3, and Y4 ca n all be unta gged because th ere is only one VLAN a ssigned per p ort. Port X 1 has [...]

9-73 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features To s u m m a r i z e : Effect of VLANs on Other Switch Fe atures Spanning T ree Protocol Operation with VLANs Becau se th e Serie s 2500 swi tches follo w the 802 .1Q VLA N rec ommen dati on to use single-i nstance spannin g tree, STP o per[...]

9-74 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features VLAN MAC Ad dresses The switch has one unique MAC ad dress for each of its VLAN inte rfaces. Y ou can send an 802. 2 test packet to this MAC address to verify conne ctivity to the switch. Likewise , you can a ssign an IP addr ess to th[...]

9-75 Conf iguring A dvanced F eatur es Port-Based Vi rtual LANs (Stati c VLANs) Configuring Advanced Features VLAN Restricti ons ■ A port must be a membe r of at least on e VLAN. In the factory de fault config uration, all po rts are a ssigned to the defaul t VLAN (DEF AUL T_ VLAN; VI D = 1). ■ A port ca n be a ssign ed to se veral V LANs , but[...]

9-76 Config uring Ad vance d Feat ures Port -Based Virt ual LAN s (Stat ic V LANs) Confi guring Adva nced Features 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 Ro uter 44 0 (forme rly R oute[...]

9-77 Conf iguring A dvanced F eatur es GVRP Configuring Advanced Features GVRP GVRP — GARP VLAN Reg istration P rotocol — is an app lication o f the Ge neric Attr ibut e Re gistr atio n Pr otoc ol — GARP . GVRP is defined in the IEEE 802 .1Q stand ard, an d GA RP is de fined i n the IE EE 80 2.1P stan dard. Note T o un derstan d and use GVRP [...]

9-78 Config uring Ad vance d Feat ures GVRP Confi guring Adva nced Features Note There must be one common V LAN (tha t is, one co mmon VID) conne cting all of the GVRP-a ware dev ices in the netw ork to carry GVRP packet s. HP recom- mends the defaul t VLAN (DEF AUL T_VLAN; VID = 1), which is automa tically enable d and conf igured as untag ged on [...]

9-79 Conf iguring A dvanced F eatur es GVRP Configuring Advanced Features Note that if a static VLAN is con figured on at lea st one port of a switch, and that port has est ablished a lin k with a nother device, th en al l other port s of that switch will send adv ertisements f or that VLAN. For exam ple, i n the foll owing figure, T ag ged VLAN po[...]

9-80 Config uring Ad vance d Feat ures GVRP Confi guring Adva nced Features ■ If the switch alr eady has a static VLAN assi gnment with the sam e VID as in the adve rtise ment , and the po rt is co nfigu red t o Auto for that VLAN, then the port will dynamica lly join the VLAN a nd begin mov ing that VLAN ’ s tra ffic. (F or more de tail on Aut[...]

9-81 Conf iguring A dvanced F eatur es GVRP Configuring Advanced Features T able 9-8. Options for Handling “ Unknown VLAN ” Advertisements: The CLI show gvrp command and the menu interf ace VLA N Support scre en show a swi tch ’ s curren t GVRP con figuratio n, including the Unknown VLAN settings. Figure 9-59. Example of GVRP Unknown VLAN Se [...]

9-82 Config uring Ad vance d Feat ures GVRP Confi guring Adva nced Features Per -Port Opti ons for Dynamic VLAN Advert ising and Joining Initiating Advertisements. A s des cribe d in the prec eding section , to enable dynamic join s, GVRP must be enabl ed and a port must be conf igured to Learn (the de fault). How ever , to send advert isements in [...]

9-83 Conf iguring A dvanced F eatur es GVRP Configuring Advanced Features As th e abo ve tab le indi cat es, w hen yo u en able GVRP , a p ort th at ha s a T agged or Untagged st atic VLAN ha s the option for bo th gene rating ad vertiseme nts and dynamic ally joining oth er VLANs. Note In table 9-9, abov e, the Unknow n VLAN para meters are config[...]

9-84 Config uring Ad vance d Feat ures GVRP Confi guring Adva nced Features Planning for G VRP Oper ation These step s outlin e the proce dure for set ting up dyna mic VLA Ns for a seg- ment. 1. D eterm ine th e VLA N topo logy y ou want for ea ch se gmen t (broa dca st domai n) on your ne twork . 2. Deter mine the VL ANs that mu st be static and t[...]

9-85 Conf iguring A dvanced F eatur es GVRP Configuring Advanced Features 2. Switch Con figuratio n . . . 8. VLAN Menu . . . 1. VLAN Suppor t Figure 9-60. The VLAN Suppor t Screen (De fault C onfiguration) 2. Do the followin g to enable GVRP and disp lay the Un known V LAN fields: a. Press [E] (for E dit ). b. Use [v ] to move the cursor to the GVR[...]

9-86 Config uring Ad vance d Feat ures GVRP Confi guring Adva nced Features CLI: Vi ewing and Con figuring GVRP GVRP Comman ds Used in This Se ction Displaying the Switch ’ s Current GVRP Configur ation. This command shows whether GVRP is disabled, a long with the c urrent sett ings for the maximum nu mber of VLANs a nd the curren t Prima ry VLAN[...]

9-87 Conf iguring A dvanced F eatur es GVRP Configuring Advanced Features Enabling an d Disabling GVRP on th e Switch. This comman d enabl es GVRP on th e swit ch. Synta x: gvrp This exam ple ena bles GVRP: HP2512(config)# gvrp This example disa bles GVRP op eratio n on the switch: HP2512(config)# no gvrp Enabling and Disabling GVRP On Individual P[...]

9-88 Config uring Ad vance d Feat ures GVRP Confi guring Adva nced Features Displaying th e Static and Dyna mic VLANs Activ e on the Switch. The show vlans command lists all VLANs present in the switch. Synta x: show vlan s For example, in t he following i llustration , switch “ A ” has one static V LAN (the default VLA N), with GVR P enabled a[...]

9-89 Conf iguring A dvanced F eatur es GVRP Configuring Advanced Features Converting a Dynamic V LAN to a Static V LAN. If a port on the switch has joined a dy namic VLAN , you can use the followi ng command to c onvert that dy namic VLAN to a st atic V LAN: Synta x: stat ic < dynamic - vlan-id > For ex ample, to conver t dynam ic VLAN 33 3 ([...]

9-90 Config uring Ad vance d Feat ures GVRP Confi guring Adva nced Features ■ By recei ving a dverti sements fr om othe r device s runnin g GVRP , the switch learns o f static VLANs o n those other d evice s and dyn amic ally (a utomat- icall y) cre at es tagg ed VL ANs on the li nks t o the a dver tis ing de vice s. Similarly , the swit ch adver[...]

9-91 Conf iguring A dvanced F eatur es Multime dia Traffi c Control wi th IP Multica st (IGMP) Configuring Advanced Features Multimedia T raffic Control with IP Multicast (IGMP) IGMP Feat ures In a n etwork wher e IP mu lticast tr affic i s transmi tted for various multimed ia applica tions, you ca n use the sw itch to re duce un necessary bandwidt[...]

9-92 Config uring Ad vance d Feat ures Multime dia Traffic Contro l with IP Multica st (IGMP) Confi guring Adva nced Features Enab ling IG MP all ow s the po rts to dete ct IGMP que ries an d repor t pac kets and mana ge IP multicast traffic t hrough the sw itch. If no oth er querier i s detected, the switch will t hen also function as the querier [...]

9-93 Conf iguring A dvanced F eatur es Multime dia Traffi c Control wi th IP Multica st (IGMP) Configuring Advanced Features • Bloc ked: Causes the switch to drop all IGMP transmissions received from a specific port and to block all ou tgoing IP Mult icast p ackets f or that por t. This has the effe ct of preven ting IGMP traff ic from movin g th[...]

9-94 Config uring Ad vance d Feat ures Multime dia Traffic Contro l with IP Multica st (IGMP) Confi guring Adva nced Features V iewing t he Current IGMP Configur ation. This c om ma nd l ist s th e IGM P config uration for all VLANs conf igured on the switc h or for a spe cific VLAN. Synta x: show i p igmp c onfig IGMP co nfigurat ion for all VLANs[...]

9-95 Conf iguring A dvanced F eatur es Multime dia Traffi c Control wi th IP Multica st (IGMP) Configuring Advanced Features Figure 9-66. Example Listing of IGMP Configura tion for A Specific VLAN Enabling or Disabling IGMP on a VLAN. Y ou can en able IGM P on a VLAN, along w ith the last -saved o r default IGMP configur ation (w hichever was most [...]

9-96 Config uring Ad vance d Feat ures Multime dia Traffic Contro l with IP Multica st (IGMP) Confi guring Adva nced Features Configuring Per -Port IGMP Packet Control. Use t his co mmand in the VLAN con text to speci fy how each po rt should hand le IGMP t raffic. Synta x: vlan < vid > ip igm p [auto < port-lis t > | bl ocked < port[...]

9-97 Conf iguring A dvanced F eatur es Multime dia Traffi c Control wi th IP Multica st (IGMP) Configuring Advanced Features HP2512> show ip igmp config Show c ommand to display results of above high-prior ity commands. Configur ing the Que rier Functio n. The defa ult quer ier funct ion is “ enabl ed ” . This comma nd disabl es or re-ena bl[...]

9-98 Config uring Ad vance d Feat ures Multime dia Traffic Contro l with IP Multica st (IGMP) Confi guring Adva nced Features a switch is configured to supp ort IGMP wit h the quer ier featur e enabl ed.) A se t of hosts, routers, and/or switches that send or receive multicast data streams to or from the sam e source(s) is termed a multica st group[...]

9-99 Conf iguring A dvanced F eatur es Multime dia Traffi c Control wi th IP Multica st (IGMP) Configuring Advanced Features ■ Switch 1 ignores IGMP t raffic and do es not d istinguish between IP mult i- cast group members and no n-member s. Thus, it is sending larg e amounts of unwant ed multica st traffic ou t the ports to P Cs 2 and 3. ■ Swi[...]

9-10 0 Config uring Ad vance d Feat ures Multime dia Traffic Contro l with IP Multica st (IGMP) Confi guring Adva nced Features IGMP is configur ed on swit ches 3 an d 4. Eith er of thes e switch es ca n operat e as querier b ecause a mul ticast rout er is not prese nt on the ne twork. (If an IGMP switch does not detect a qu erier , it automaticall[...]

9-10 1 Conf iguring A dvanced F eatur es Multime dia Traffi c Control wi th IP Multica st (IGMP) Configuring Advanced Features Note: IP Mult ica st Filt ers. IP multica st addresse s occur in the range fro m 224. 0.0.0 t hroug h 239. 255.2 55.2 55 (whi ch cor respon ds to the E therne t mult i- cast addr ess range of 01005e-00 0000 thr ough 01005e-[...]

9-10 2 Config uring Ad vance d Feat ures Span ning T ree P roto col (STP) Confi guring Adva nced Features Spanning T ree Protocol (STP) STP Fe atu res The switch use s the IEEE 80 2.1D Spann ing T ree Prot ocol (ST P), when enab led, to en sure that o nly one pa th at a time is act ive bet ween a ny two node s on the netwo rk. In networks w here th[...]

9-10 3 Conf iguring A dvanced F eatur es Span ning Tr ee Prot ocol (S TP) Configuring Advanced Features STP Fast M ode for Overcomi ng Server Ac cess Failu res. If an end nod e is config ured to aut omatically access a ser ver , the dur atio n of the STP st artup sequence can result in a “ server a ccess failure ” . On po rts wher e this is a p[...]

9-10 4 Config uring Ad vance d Feat ures Span ning T ree P roto col (STP) Confi guring Adva nced Features ) Figure 9-69. Example of th e STP Conf igurati on Screen 4. If the r emaining S TP parameter se ttings are adequate f o r your network, go to ste p 8. 5. U se [T ab] or the arrow key s to se lect th e next paramet er you want to change , then [...]

9-10 5 Conf iguring A dvanced F eatur es Span ning Tr ee Prot ocol (S TP) Configuring Advanced Features CLI: Confi guring STP STP Co mmands Use d in This Sectio n V iewing the Cu rrent STP Configurati on. Re gardless of whe ther STP is disabled (the de fault), thi s command l ists the sw itch ’ s fu ll ST P conf igurat ion, including general se t[...]

9-10 6 Config uring Ad vance d Feat ures Span ning T ree P roto col (STP) Confi guring Adva nced Features Enabling or Disabling STP . Ena bling S TP i mplements the sp anning -tree protocol f or all physica l ports on the sw itch, rega rdless of w hether multip le VLANs are configur ed. Disabli ng STP remov es protec tion a gainst re dundant loops [...]

9-10 7 Conf iguring A dvanced F eatur es Span ning Tr ee Prot ocol (S TP) Configuring Advanced Features Y ou can also incl ude one or more of the STP pe r -port parameters in this comm and. S ee “ Reconfiguring Per -Port STP Operatio n on the Switch ” on page 9-10 7. Synta x: spanning -tree priority <0 - 65355> maximum-age <6 - 40 seco[...]

9-10 8 Config uring Ad vance d Feat ures Span ning T ree P roto col (STP) Confi guring Adva nced Features For exam ple, th e foll owing en ables STP (if it is not alread y enable d) and configure s ports 5 an d 6 to a path cost of 15 , a priori ty of 100 , a nd fast mod e: HP2512(config)# spanning-tree ethernet 5-6 path-cost 15 priority 100 mode fa[...]

9-10 9 Conf iguring A dvanced F eatur es Span ning Tr ee Prot ocol (S TP) Configuring Advanced Features Figur e 9- 71. E xamp le o f Re dunda nt Pa ths B etw een T wo Node s STP Fa st Mode For standa rd STP op eration , when a netw ork conne ction is esta blished on a device that is ru nning STP , the por t used for the conn ection goe s throu gh a[...]

9-11 0 Config uring Ad vance d Feat ures Span ning T ree P roto col (STP) Confi guring Adva nced Features Caut ion The Fast Mode con figuratio n should be used on ly on switch port s connecte d to end nod es. Chan ging the Mo de to Fast o n ports conn ected to hubs, switch es, or routers ma y cause loop s in your netw ork that STP may no t be able [...]

9-11 1 Conf iguring A dvanced F eatur es Span ning Tr ee Prot ocol (S TP) Configuring Advanced Features Figure 9-72. Example of Using a T runked Link wit h STP and VLANs For more infor mation, refer to “ Spanning T ree Prot ocol Operat ion with VLANs ” on page 9-73. Problem: STP enabled with 2 separate (non-t runked) links blocks a VLAN link. S[...]

9-11 2 Config uring Ad vance d Feat ures Span ning T ree P roto col (STP) Confi guring Adva nced Features[...]

10-1 Moni tori ng an d A nalyzi ng Switch Opera tion 10 Monitoring and Analyzing Switch Operation Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2 Status and Counters Da ta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3 Menu[...]

10- 2 Monit oring and An alyzin g Sw itch Oper atio n Overv iew Monitor ing and Anal yzing Switch Opera tion Overview The Serie s 2500 switches have se veral built-in t ools for monitorin g, analyz ing, and trou bleshoo ting switch an d netwo rk opera tion: ■ Status : Includ es opt ions for display ing gene ral switch in form ation, man - agement[...]

10-3 Monit oring an d Anal yzing Swi tch Oper ation Status an d Counter s Data Moni tori ng an d A nalyzi ng Switch Opera tion Status and Counter s Data This sectio n describe s the statu s and co unters scre ens avai lable thr ough the switch con sole interfac e and/or t he web browse r interfa ce. Note Y ou can access all console screen s from th[...]

10- 4 Monit oring and An alyzin g Sw itch Oper atio n Stat us and Co unter s Data Monitor ing and Anal yzing Switch Opera tion Menu Access T o Status and Counters Beginni ng at the Ma in Menu, displ ay the Sta tus and Co unters menu by select- ing: 1. Stat us and C ounters Figure 10-1. The Status and Counters Menu Each of the a bove menu it ems acc[...]

10-5 Monit oring an d Anal yzing Swi tch Oper ation Status an d Counter s Data Moni tori ng an d A nalyzi ng Switch Opera tion Genera l System Inf ormation Menu Access From the c onsole Main Menu, select : 1. Stat us and C ounters 1. General Sy stem Information Figur e 10 -2. Exa mple of G ener al Sw itch Inf ormat ion This scree n dynami cally ind[...]

10- 6 Monit oring and An alyzin g Sw itch Oper atio n Stat us and Co unter s Data Monitor ing and Anal yzing Switch Opera tion Switch Management Address Informatio n Menu Access Fro m the Mai n Me nu, se lect: 1 St atus and Counte rs . . . 2. Switch Manage ment Address Information Figure 10-3. Example of Managemen t Address Info rmation wit h VLANs[...]

10-7 Monit oring an d Anal yzing Swi tch Oper ation Status an d Counter s Data Moni tori ng an d A nalyzi ng Switch Opera tion Port Status The web br owser inte rface and the conso le interf ace show t he same p ort status data. Menu: Displaying Port Status Fro m the Mai n Me nu, se lect: 1. St atus an d Counter s . . .3. Port S tatus Figur e 10-4 [...]

10- 8 Monit oring and An alyzin g Sw itch Oper atio n Stat us and Co unter s Data Monitor ing and Anal yzing Switch Opera tion V iewing Port and T runk Group Statisti cs These feat ures enabl e you to determ ine the traf fic pattern s for each port since the last re boot or reset of the switch. Y ou can d isplay: ■ A genera l report of traf fic o[...]

10-9 Monit oring an d Anal yzing Swi tch Oper ation Status an d Counter s Data Moni tori ng an d A nalyzi ng Switch Opera tion Menu Access to Port and T ru nk Statistics T o acce ss this screen from the Main Menu, select: 1. Stat us and C ounter s . . . 4. Port Count ers Figur e 10 -5. Exa mple of Po rt C oun ters on t he M enu I nter face T o view[...]

10- 10 Monit oring and An alyzin g Sw itch Oper atio n Stat us and Co unter s Data Monitor ing and Anal yzing Switch Opera tion CLI Access T o Port and T runk Grou p Statistics T o Display the Port Counter Su mmary Report. This comma nd pro vides an over view of por t activ ity for all p orts on the sw itch. Synta x: show statistics T o Display a D[...]

10- 11 Monit oring an d Anal yzing Swi tch Oper ation Status an d Counter s Data Moni tori ng an d A nalyzi ng Switch Opera tion Vi ewing the Switch ’ s MAC Addr ess T ables These fe atures hel p you to view: ■ The MAC addresses that t he switch has learned from network devices attache d to the sw itch ■ The port on which ea ch MAC a ddress w[...]

10- 12 Monit oring and An alyzin g Sw itch Oper atio n Stat us and Co unter s Data Monitor ing and Anal yzing Switch Opera tion Menu Access to the MAC Addr ess Views and Searches Switch-L evel MA C-Addre ss V iewing and Search ing. This featur e lets you determi ne whic h switch p ort is being used to co mmunica te with a sp ecific device on the ne[...]

10- 13 Monit oring an d Anal yzing Swi tch Oper ation Status an d Counter s Data Moni tori ng an d A nalyzi ng Switch Opera tion 2. T ype the MAC address y ou want to loca te and press [Enter] . The address and port nu mber are high lighted if found . If the switch does not find the address, i t leaves the MA C address li sting emp ty . Figur e 10-[...]

10- 14 Monit oring and An alyzin g Sw itch Oper atio n Stat us and Co unter s Data Monitor ing and Anal yzing Switch Opera tion Enter MAC address: _ 2. T ype the MA C address you w ant to locate and press [Ent er] . The address is highlig hted if f ound. If t he switch do es not fi nd the addr ess, it lea ves the MAC address listing empty . CLI Acc[...]

10- 15 Monit oring an d Anal yzing Swi tch Oper ation Status an d Counter s Data Moni tori ng an d A nalyzi ng Switch Opera tion Spanning T ree Protocol (STP) Informati on Menu Access to STP Data Fro m the Mai n Me nu, se lect: 1. Stat us and C ounter s . . . 7. Span ning T ree Infor mati on STP must be en abled on the switch to disp lay the follow[...]

10- 16 Monit oring and An alyzin g Sw itch Oper atio n Stat us and Co unter s Data Monitor ing and Anal yzing Switch Opera tion Figure 10-11.Exam ple of STP Port Information CLI Access to STP Data This option lists the STP config uratio n, root data, and per -port da ta (cost, priorit y , stat e, and desi gnated b ridge). Synta x: show spann ing-tr[...]

10- 17 Monit oring an d Anal yzing Swi tch Oper ation Status an d Counter s Data Moni tori ng an d A nalyzi ng Switch Opera tion Internet Group Ma nagement Protocol (IGMP) Status The switch use s the CLI to display the followin g IGMP status on a per -VLAN basis: For exam ple, su ppose t hat show ip igmp listed an IGMP gr oup address of 224.0. 1.22[...]

10- 18 Monit oring and An alyzin g Sw itch Oper atio n Stat us and Co unter s Data Monitor ing and Anal yzing Switch Opera tion VLAN Information The switch uses the CLI to disp lay the fol lowing VLAN status: For examp le, suppose that your switch ha s the follow ing VLANs: Ports VLAN VID 1 - 12 DEFA UL T_ VLAN 1 1, 2 V LAN-33 33 3, 4 V LAN-44 44 T[...]

10- 19 Monit oring an d Anal yzing Swi tch Oper ation Status an d Counter s Data Moni tori ng an d A nalyzi ng Switch Opera tion Listing th e VLAN ID ( VID) and S tatus fo r Speci fic Ports. Figure 10-14. Example of VLAN Listing for Spec ific Ports Listing Indiv idual VL AN St atus. Because ports 1 and 2 are not m embers o f VLAN-44 , it does no t [...]

10- 20 Monit oring and An alyzin g Sw itch Oper atio n Stat us and Co unter s Data Monitor ing and Anal yzing Switch Opera tion W e b Browser Interface Stat us Information The “ home ” screen for th e web browse r inte rfa ce is t he Stat us Ov ervi ew screen, as shown be low . As the title implie s, it provides an overview of the status of the[...]

10- 21 Monit oring an d Anal yzing Swi tch Oper ation Port M onitor ing F eatu res Moni tori ng an d A nalyzi ng Switch Opera tion Port Monitoring Features Port Mo nitor ing Fea tures Y ou can design ate a po rt for m onitoring traffic of one or more oth er ports o r of a si ngle VLA N conf igured o n the s witch. Th e switch monito rs the n etwork[...]

10- 22 Monit oring and An alyzin g Sw itch Oper atio n Port Monit oring Fea tures Monitor ing and Anal yzing Switch Opera tion Menu: Configuring Port Monitoring This proced ure descr ibes conf iguring t he switch for monitoring when mon i- toring is disabled . (If monitoring has alre ady been enabled, t he screens will appear differently t han show[...]

10- 23 Monit oring an d Anal yzing Swi tch Oper ation Port M onitor ing F eatu res Moni tori ng an d A nalyzi ng Switch Opera tion Figure 10-17. How T o Select a Monitoring Port 5. Use the Space ba r to select the port to use f or monitori ng, then pre ss the downarrow key to select th e Monitor parameter . (The defau lt settin g is Ports , whi ch [...]

10- 24 Monit oring and An alyzin g Sw itch Oper atio n Port Monit oring Fea tures Monitor ing and Anal yzing Switch Opera tion iv . Press [Ente r] , then p ress [S] (for Save ) to sa ve your chan ges and exit fro m the sc reen. Figure 10-18. Example of Sele cting a VLAN to Monitor 7. Return to the Main Menu. CLI: Configuring Port Monitor ing Port M[...]

10- 25 Monit oring an d Anal yzing Swi tch Oper ation Port M onitor ing F eatu res Moni tori ng an d A nalyzi ng Switch Opera tion Figure 10-19.Exa mple of Monitored Port Listing Configuring the Monitor Port. This comma nd assigns or r emoves a mon- itoring port, and m ust be ex ecuted f rom the g lobal con figu ration lev el. Remov - ing the m oni[...]

10- 26 Monit oring and An alyzin g Sw itch Oper atio n Port Monit oring Fea tures Monitor ing and Anal yzing Switch Opera tion Figure 10-21.Exa mples of Removing Ports and VLANs as M onitoring Sources W eb: Confi guring Port Monitor ing T o enab le port mon itori ng: 1. Cli ck on the Con figuration tab. 2. C lick on [Mon itor Por t] . 3. Do either [...]

11-1 Troubl eshooting 11 T rou bleshoo ting Chapter Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2 Troub lesho otin g Approa ches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-3 Browse r or Cons ole Acce ss Problem s . . . . . . . . . . . . . .[...]

11- 2 Trou blesh ooting Overv iew Troubl eshooti ng Overview This chapt er ad dress es pe rfor man ce-rel ated netwo rk proble ms th at ca n be caused by top ology , switch config uration , and t he effect s of o ther dev ices or their config uration s on switch operatio n. (For switch-spe cific inform ation on hardware problems in dicated by LED b[...]

11-3 Trou blesh ooting Troub lesho oting Approa ches Troubl eshooting T roubl eshooting App roaches Use th ese appr oaches t o diagnose switch p roblem s: ■ Check the switch LEDs for in dicatio ns of proper sw itch operat ion: • Each swit ch por t has a Li nk LED th at should light w henever a n acti ve network dev ice is connec ted to the por [...]

11- 4 Trou blesh ooting Brows er or Cons ole Ac cess Prob lems Troubl eshooti ng Browser or Console Access Problems Cannot a ccess the we b browser interfa ce: ■ Access ma y be disabled by the W eb A gent Enabl ed parameter in the swi tch console. Ch eck the setting on t his paramet er by selectin g: 2. Switch Con figuratio n . . . 1. Sy stem Inf[...]

11-5 Trou blesh ooting Brow ser or Cons ole A ccess Pr oblems Troubl eshooting Cannot T elnet into the switch console from a stati on on the network : ■ T elnet ac cess may be dis abled by the Inbou nd T e lnet Enabl ed parameter in the System Informa tion scre en of the men u inter face: 2. Switch Config uration 1. Sy stem Information ■ The sw[...]

11- 6 Trou blesh ooting Unusua l Netw ork Acti vity Troubl eshooti ng Unusual Network Activity Netwo rk activity that exceeds acc epted n orms may i ndicat e a hard ware problem w ith one or more of the networ k compo nents, possibly inc luding th e switch. Unusual ne twork activit y is usually indic ated by the LEDs on the front of the sw itch or [...]

11-7 Trou blesh ooting Unus ual Net work Activi ty Troubl eshooting IP addresses that will exp ire after a limited duration. One solut ion is to config ure “ reservati ons ” in the DHCP server for specific IP addresses to be assigned to devices having specific MAC addresses. F or more information, refer to the do cumentation for the DHCP se rve[...]

11- 8 Trou blesh ooting Unusua l Netw ork Acti vity Troubl eshooti ng Problems Relat ed to Sp anning-T ree Protocol (STP) Caut ion If you e nable ST P , it is reco mmende d that you le ave th e remaind er of the STP paramet er settings at th eir defaul t values unt il you have had an opp ortunity to eval uate STP pe rforma nce in your ne twork. Be [...]

11-9 Trou blesh ooting Unus ual Net work Activi ty Troubl eshooting VLAN-Related Prob lems Monitor Po rt. When using the monitor port in a multiple VLAN en viron- ment, it can be useful to know how broadc ast, multic ast, and unic ast traffic is tagg ed. The followi ng tabl e descr ibes th e taggin g to ex pect. None of the devi ces a ssigned to on[...]

11- 10 Trou blesh ooting Unusua l Netw ork Acti vity Troubl eshooti ng 1. If VLA N_1 (VID=1) is c onfigured as “ Untagg ed ” on port 3 on switc h “ X ” , then it mus t als o be c onfig ured as “ U ntagge d ” on port 7 on switch “ Y ” . Make sure tha t the VLAN ID (VID) is the same on bo th switches. 2. Simila rly , if VLAN_2 (VID=2)[...]

11- 11 Trou blesh ooting Using the Event Log To Identify Problem So urces Troubl eshooting Using the Event Log T o Identify Problem Sources The Event Log records op erating even ts as single-l ine entries listed in chrono - logical order , and serv es as a tool for isola ting proble ms. Each Event Log entry is co mpos ed o f fi ve f ields : Severit[...]

11- 12 Trou blesh ooting Using t he Even t Log T o Iden tify P roble m Sour ces Troubl eshooti ng T able 11-1. Event Log Sy stem Modules Menu: Entering and Navigating in the Event Log Fro m the Mai n Me nu, se lect Event Lo g . Figure 11-2. Example of an Event Log Display Modu le Event De scription Modu le Event Descri ption addrMg r Addr ess tab l[...]

11- 13 Trou blesh ooting Using the Event Log To Identify Problem So urces Troubl eshooting The log status line at the bo ttom of th e display id entifies where in the sequen ce of event messag es the display is curr ently posi tioned. T o displa y va rious p ortio ns of the E vent L og, eith er pr ecedin g or f ollow ing t he curren tly visible por[...]

11- 14 Trou blesh ooting Diagno stic Tools Troubl eshooti ng Diagnostic T o ols Diagno stic Feature s Ping and Link T est s The Ping te st and the Link test are point-t o-point tests be tween your sw itch and anot her IEEE 80 2.3-compl iant d evice on yo ur network . These te sts can tel l you wheth er the s wit ch is commun icatin g properl y wi t[...]

11- 15 Trou blesh ooting Diagno sti c Tools Troubl eshooting W eb: Execu ting Ping or Link T ests Figure 11-12.Link an d Ping T est Screen on the W eb Browser Interface Successes indi cates the number of Ping or Link pa ckets th at successful ly compl eted th e mo st rece nt te st. Failures indica tes the number of Ping or Link packe ts that were u[...]

11- 16 Trou blesh ooting Diagno stic Tools Troubl eshooti ng Numb er of Pac kets t o Send is the n umber of tim es you w ant the sw itch to attempt to test a con nection. T imeout i n Secon ds is th e num ber of se co nds t o al low per a tte mpt t o te st a connect ion befor e determ ining th at the cu rrent atte m pt has fai led. T o halt a Link [...]

11- 17 Trou blesh ooting Diagno sti c Tools Troubl eshooting Link T ests. Y ou can issue single or m ultiple link tests with varying repit itions and time out perio ds. The default s are: ■ Repetit ions: 1 ( 1 - 9 999) ■ T imeout: 5 seconds ( 1 - 256 seconds) Synta x: link < mac-addr ess > [repetiti ons <1 - 999>] [timeout <1 - 2[...]

11- 18 Trou blesh ooting Diagno stic Tools Troubl eshooti ng Displaying th e Configuratio n File The complet e switch config uration is co ntained in a file that you c an browse from ei ther the w eb browser i nterface o r the CLI . It may b e useful in some troubles hooting scenar ios to view t he switch conf iguration . CLI: Vi ewing the Configur[...]

11- 19 Trou blesh ooting Diagno sti c Tools Troubl eshooting CLI Administ rative and T roubleshooting Comman ds These comm ands pr ovide inform atio n or perform a ctions tha t you may fi nd helpful in tr oubleshoot ing oper ating pr oblems with t he switch. Note For more on the CLI, ref er to chap ter 3, "Using the Com mand Line Referenc e (C[...]

11- 20 Trou blesh ooting Restor ing t he Fa ctory- Defa ult C onfig ura tion Troubl eshooti ng Restoring the Factory-Default Configuration As part of your troublesh ooting pr ocess, it may bec ome necessa ry to return the switch configur ation to th e factory d efault setti ngs. This pr ocess momen- tarily inte rrupts the swi tch operat ion, clea r[...]

A-1 Transfe rring an Operat ing System or Start up A T ransferring an Operating System or Startup Configurat ion F ile Append ix Con tents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 Downloading an Operating System (OS) . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

A-2 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Overv iew Transfer ring an Opera ting System or Sta rtup Overview Y ou can downlo ad new switc h software (o perating system — OS ) and upload or downloa d switch conf iguration files. These features are use ful for acqu iring periodic switch softw are upgr ades and f or st[...]

A-3 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Downlo ading an O perating Syste m (OS) Transfe rring an Operat ing System or Start up Using TF TP T o Downl oad the OS File from a Serve r This proced ure assu mes that: ■ An OS file for the switch has been stored on a TF TP server accessible to the switch. (The OS file is[...]

A-4 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Downl oading an Operatin g System (OS) Transfer ring an Opera ting System or Sta rtup Menu: TF TP Download from a S erver 1. In th e console Mai n Menu, selec t Downlo ad OS to d ispl ay this scr een: Figure A-15. Exam ple of the Down load OS Scree n (Default V alues) 2. Pres[...]

A-5 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Downlo ading an O perating Syste m (OS) Transfe rring an Operat ing System or Start up A “ pr ogress ” bar i ndicates t he prog ress of the dow nload . When the e ntire operating system has be en rece ived, all act ivity on the sw itch ha lts and you will see V a lidating[...]

A-6 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Downl oading an Operatin g System (OS) Transfer ring an Opera ting System or Sta rtup Using the SN MP-Based Softw are Update Utility HP T opT ools for Hubs & Switches includes a softw are update util ity for updatin g on HP P roCurv e switch p roducts such as the Ser ies [...]

A-7 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Downlo ading an O perating Syste m (OS) Transfe rring an Operat ing System or Start up CLI: Switch-T o-Switch Dow nload Syntax: copy tftp flash <ip-addr> flash For examp le, to downloa d an OS file fr om a Switch 2512 with an IP ad dress of 10.2 8.227.103: Figur e 8- 17[...]

A-8 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Downl oading an Operatin g System (OS) Transfer ring an Opera ting System or Sta rtup The downloa d can take seve ral minutes, dep ending on the ba ud rate used for the t ransfer . 6. When the do wnload finishes, th e switch automatically reboots itself and begins runni ng th[...]

A-9 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Troub lesh ooting TFTP Down load s Transfe rring an Operat ing System or Start up T roubl eshooti ng TF TP Down loads If a TF TP download fails, the Downloa d OS screen indicat es the failure. Figure A-18. Example of Me ssage for Downloa d Failure T o find more inf ormatio n [...]

A-10 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Tran sferr ing S witch Configu ratio ns Transfer ring an Opera ting System or Sta rtup ■ Anothe r console session (thr ough eit her a di rect c onnect ion to a t ermina l device or throug h T elnet) was al read y runnin g when you st arted th e session in whi ch the downlo[...]

A-11 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Tran sferri ng Sw itch Confi gurati ons Transfe rring an Operat ing System or Start up TF TP: Co pying a Conf iguratio n to a Remote H ost. Synta x: copy star tup-confi g tftp < ip-addr > < remote-file > This comma nd copies th e switch ’ s startup co nfigura t[...]

A-12 Transf errin g an Op erating Syst em or Sta rtup C onfig uration File Tran sferr ing S witch Configu ratio ns Transfer ring an Opera ting System or Sta rtup Xmodem: Co pyin g a Confi guratio n from a Se riall y Conne cted PC or Unix W orkstation. T o use this method, the switc h must be connec ted via the ser ial por t to a PC or Unix w orksta[...]

B-1 MAC Addr ess Managem ent B MAC Address Management Appendix B Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 Determining MAC Addresse s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2 Menu: Vi ewing the Switch ’ s MAC A ddresses . .[...]

B-2 MAC Ad dress Ma nage ment Determin ing MAC Addre sses MAC Address Man agement Determining MAC Addresses MAC A ddres s Viewin g Meth ods Use the menu inte rface to vie w the switch ’ s base MAC addr ess and th e MAC address a ssigned to any no n-defa ult VLAN you have configure d on the switch. Note The swi tch ’ s base MAC addr ess is used [...]

B-3 MAC Ad dress M anag ement Determin ing MAC Add resses MAC Addr ess Managem ent Menu: V i ewing the Switc h ’ s MAC Ad dresses The Management Address I nformation screen lists the MAC addresses for: ■ Base switch (default VLA N; VID = 1) ■ Any add ition al VLANs configur ed on the switch . Also, the Base MA C address appe ars on a label on[...]

B-4 MAC Ad dress Ma nage ment Determin ing MAC Addre sses MAC Address Man agement CLI: Vi ewin g the Por t and VLAN MAC Addr esses The M AC ad dress assi gned to e ach sw itc h port is used int erna lly by s uch featu res a s Flow Con trol and t he Sp anni ng T ree P rot ocol. De termi ning t he MAC add ress assign ments for in dividu al ports c an[...]

C-1 Switch M emory and Conf igurat ion C Switch Memory and Conf iguration Append ix Con tents Appen dix Co ntents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2 Overview o f Configurat ion F[...]

C-2 Switc h Memory an d Con figurat ion Overv iew Switch Me mory and Configura tion Overview This appendi x describe s the follow ing: ■ How switc h memo ry man ages con figura tion changes ■ How t he CLI impl emen ts con figur atio n chan ges ■ How the menu interf aceand web br owser i nterf ace imp lement c onfig ura- tion ch anges Overview[...]

C-3 Switc h Memor y and Conf igur ation Overvie w of C onfigurati on Fil e Ma nagemen t Switch M emory and Conf igurat ion Rebooting the switch re places the cur rent running-c onfig file with a new running-con fig file that is an exa ct copy of the current startu p-config fil e. Note Any of the following actions re boots the switc h: • Executi n[...]

C-4 Switc h Memory an d Con figurat ion Using the CL I To Im pleme nt Conf iguration Change s Switch Me mory and Configura tion Storin g and Retr ie ving Con f igurati on Files. Y o u can stor e or retrie ve a backup c opy of the sta rtup-con fig file on a nother dev ice. For mor e informa- tion, see appe ndix A, "T ransferr ing an Oper ating [...]

C-5 Switc h Memor y and Conf igur ation Using the CL I To Im pleme nt Conf igura tio n Change s Switch M emory and Conf igurat ion Synta x: write memory For examp le, the def ault po rt mode settin g is aut o . Suppose that your ne twork uses Cat 3 wiri ng and y ou wan t to c onnect t he switch to anot her au tosen sing device capable of 100 Mbps o[...]

C-6 Switc h Memory an d Con figurat ion Using the CL I To Im pleme nt Conf iguration Change s Switch Me mory and Configura tion The above prom pt means t hat one or more parame ter settings in the running- config file diffe r from thei r counte rparts in the start up-confi g file and y ou need to choose whic h config file to ret ain and which to di[...]

C-7 Switc h Memor y and Conf igur ation Using the Men u and Web B rows er Int erfac es To Im plemen t Conf igura tion Ch ange s Switch M emory and Conf igurat ion Synta x: erase startup-config For ex ample: Press [Y] to rep lace the c urren t configur ation w ith the f actory de fault config- uration and reboot the switch. Press [N] to retain t h e[...]

C-8 Switc h Memory an d Con figurat ion Using t he Men u and We b Browse r Inte rface s To Imp lemen t Con figur ation Change s Switch Me mory and Configura tion Using S ave and C ancel in the Menu Interface For any c o nfig uration screen in the me nu inter face, the Save command: 1. Implem ents the ch anges in t h e runnin g-confi g file 2. Save [...]

C-9 Switc h Memor y and Conf igur ation Using the Men u and Web B rows er Int erfac es To Im plemen t Conf igura tion Ch ange s Switch M emory and Conf igurat ion Rebooting from the Menu Interface ■ T e rminate s the cur rent sessio n and pe rfor ms a rese t of the operat ing system ■ Activa tes any confi guratio n change s that req uire a r eb[...]

C-10 Switc h Memory an d Con figurat ion Using t he Men u and We b Browse r Inte rface s To Imp lemen t Con figur ation Change s Switch Me mory and Configura tion If confi gurat ion ch ange s requ iring a reboo t have be en made , th e switch displ ays an asteri sk ( * ) ne xt to the menu item in wh ich the cha nge has been made. For ex ample , if [...]

D-1 Daylight Savings Time on HP ProCur ve Switch es D Daylight Savings T ime on HP Pro Curve Switches This information a pplies to the followin g HP ProCurve switches: HP Pro Curve switch es pro vide a way to autom atical ly ad just t h e sy stem cloc k for Da yligh t Savi ngs Time (DST) chan ges. For the f oll owing s witche s, H P ProCur ve Sw it[...]

D-2 Dayligh t Sav ings Tim e on H P Pr oCurve Switc hes Daylight Savings Time on HP ProCur ve Switch es Middle Eu rope an d Portugal : • Begin DST a t 2am the f irst Su nday on or af ter Marc h 25th. • End DST a t 2am the first Sunday on or after Septemb er 24th. Southern He misphere: • Begin DST a t 2am the f irst Sunda y on or aft er Octob [...]

D-3 Dayli ght S avings Ti me on H P Pr oCurv e Sw itche s Daylight Savings Time on HP ProCur ve Switch es Before conf iguring a "User defined" Daylig ht T im e Rule, it is import ant to understand how the switch treats th e entries. The switch knows whi ch dates are S unday s, and uses a n algo rithm to det ermin e on wh ich date to chang[...]

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Inde x – 1 Index Numerics 802.1Q V LAN sta ndard … 9- 102 802.3u auto neg otiati on stan dard … 6-3 A A.09 .70 ro uter releas e … 9-76 access mana ger … 8-6 oper ator … 8-6 access le vels, authorize d IP mana gers … 7-31 Actions lin e … 2-9 – 2-1 1 location on scr een … 2-9 active pa th … 9-10 2 addres s authorized for port se[...]

2 – Index Index See CLI commu nities, SN MP … 8-7 configu ration … 2- 7, 9-10 8 Bootp … 5-13 conso le … 5-16 copyin g … A-10 downl oad … A-2 facto ry defaul t … 5-2, 9-5 7, 9- 62, 9-1 03, C- 6 IP … 5-3 network mo nitoring … 10-21 perm anent … C-5 perm anent ch ange defined … C-3 port … 6-1 port security … 7-11 port trun [...]

Inde x – 3 Index spanning tre e … 9-109 fault detection … 4-9 fault detection policy … 4-9, 4-24 fault detection policy, setting … 4-24 fault detec tion window … 4-24 fault-toleran ce … 6-12 FEC benefits … 6-27 filters effect of IGMP … 9-101 IGMP override … 9-101 maximu m a llowed … 9-101 firmware version … 10- 5 flash me mo[...]

4 – Index Index confi gur e per VL AN … 9-92 effect on fi lters … 9-101 exampl e … 9-98 – 9-1 00 filter override … 9-101 high -priori ty forw arding … 9-92 host n ot re ceivi ng … 11- 7 IP ad dress requ ired … 9-92 IP multic ast add ress range … 9-101 leave g roup … 9- 98 maxi mum addr ess coun t … 9-101 mult icas t grou p ?[...]

Inde x – 5 Index M MAC address … 5-1 3, 10-5 , B-1 duplica te … 9-75 – 9-7 6, 11-8 , 11- 10 lear ned … 10-1 1 – 10-12 port … B-1, B-3 switch … B- 1 VLAN … 9-74, B- 1 mana gement interfac es descri bed … 1-2 server URL … 4-13 – 4-14 server U RL default … 4-15 man ager ac cess … 8-6 manag er passw ord … 4-9, 4-11 , 7-4, [...]

6 – Index Index Address Tab le screen … 9-76 auto nego tiation … 6-4 auto, IGMP … 9-9 2 auto-n egot iat ion … 6-3 block ed by STP op era tion … 9- 108 blocke d, IGMP … 9-92 CLI acce ss … 6-6 cont ext leve l … 6-8 cost See spanning tree p rotocol. counter s … 10-8 counter s, reset … 10-8 fibe r-op tic … 6-4 forwarding, IGMP ?[...]

Inde x – 7 Index R reboo t … 2-8, 2- 10, 2 -12 , 9-83 reboot, a ctions c ausing … C- 3 reco nfigure … 2-10 redunda nt path … 9-102, 9-10 8 spanning tre e … 9-103 report See IGMP reset … 2-12, C-9 Reset button rest orin g fact ory de faul t conf igurat ion … 11 -20 reset port counters … 10-8 resetting the switc h factory default re[...]

8 – Index Index serv er acce ss fail ure … 9-103 subnet … 9-98 subnet addres s … 9-50 subnet mask … 5-5, 5-7 See al so IP Sun wor kstatio n … 9-75 support changi ng defa ult URL … 4- 14 URL … 4-13 URL W indo w … 4-13 switch consol e See co nsol e switch setup men u … 2-8 switch-to- s witch downlo ad … A-6 syste m configura tio[...]

Inde x – 9 Index user n ame cleare d … 7-7 user na me, us ing for br owser o r console access … 4 -9, 4- 11 usin g th e pas swo rds … 4- 11 utilizat ion, po rt … 4-17 V value, inconsistent … 7- 19 versio n, OS … A-5 – A-6, A-8 VID See VL AN virtual stackin g transmission interval range … 9-18 – 9-19 VLAN … 5-4, 9-50 , 9- 73 ?[...]

10 – I ndex Index help vi a TopTools … 4-1 4 main sc reen … 4-16 manage ment ser ver URL … 4-14 onli ne he lp … 4-14 online h elp loca tion spe cifying … 4- 14 online h elp, i noperable … 4-14 overvi ew … 4-16 Overv iew window … 4-1 6 passw ord los t … 4-11 password, settin g … 4-10 port sta tus … 4-19 port utiliz ation … [...]