SMC Networks SMC6924VF manuale d’uso

Stackable F ast Ether net Switch ◆ 24 100B ASE-FX VF-45 po rts ◆ Optional 10 0B ASE-FX or 1000B ASE-X modul es ◆ Optional stack m odule for linki ng up to fou r units ◆ 8.8 Gbps of agg regate switch bandwid th ◆ Support for redundant po wer unit ◆ Up to fi ve port trunks p er switch ◆ Port mirroring for non-i ntrusi ve analysis ◆ Qo[...]

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6 Hughes Irvine, CA 9261 8 Phone: (9 49) 707-24 00 T igerSwitch 100 Manag ement Guide From SMC’ s T iger line of feature-r ich work group LA N solutions June 2 001 Pub. # F 2.47 150x xx-10x R01[...]

Informati on furnish ed by SMC Networ ks, Inc. (SMC) is believed to be accu rate and r eliable. Ho wever , no re spons ibility i s assumed b y SMC for its us e, no r for any infri nge ment s of paten ts or o ther right s of thi rd part ies wh ich m ay r esult from i ts use . No li cens e is gr anted by imp licatio n or othe rwise un der any paten t[...]

L IMITED W ARRAN TY Limited Wa rranty Limite d W arranty St ateme nt: SMC Networks, Inc. (“SMC”) warrants its pro ducts to be free from defects in workm anship and materi als, under n ormal use and service, for the applicable warranty term. All SMC prod ucts carry a standard 90-day limited war ranty from the d ate of purc hase fr om SM C o r it[...]

L IMITED W ARRAN TY OF ALL OTH ER W ARRANT IES OR COND ITIONS , EXP RESS O R IMPL IED, EIT HER IN F ACT OR BY OPERA TION OF LA W , ST A TUTORY OR OTHER WISE, INCLUDING W ARR ANTIES OR CONDIT IONS OF ME RCHAN T AB ILITY A ND FIT NESS FOR A P AR TICULA R PURPOSE . SMC NEI THER AS SUMES NOR A UTHORIZES ANY OTHER PERSON TO A SSUME FOR IT ANY OTH ER LIA[...]

i T ABLE OF C ONTENTS 1 Switch Management . . . . . . . . . . . . . . . . . . . . . . 1-1 Configu ration Opt ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Requir ed Conn ections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Consol e Port (Out -of-Band) Connect ions . . . . . . . . . . . . 1-2 Remote Manageme[...]

T ABLE OF C ONTENTS ii Displ aying th e Current STA for P orts . . . . . . . . . . 2-39 Using a Mirror P ort for A nalysis . . . . . . . . . . . . . . . . . 2-41 Configu ring Por t Trunks . . . . . . . . . . . . . . . . . . . . . . 2-42 IGMP Mu lticast Filt ering . . . . . . . . . . . . . . . . . . . . . . . 2-45 Configu ring IGMP . . . . . . . . .[...]

T ABLE OF C ONTENTS iii Agent M odule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 Expansio n Slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 IP Confi guration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 SNMP Co nfiguratio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

T ABLE OF C ONTENTS iv Configu ring IGMP . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41 IP Mult icast Re gistrat ion Table . . . . . . . . . . . . . . . . . 3-42 Port Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43 Port Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43 Port Con[...]

T ABLE OF C ONTENTS v Consol e Port to 25-P in DCE Port o n Mode m . . . . . . . . . B-2 Consol e Port to 25-P in DTE P ort on PC . . . . . . . . . . . . . B-3 Glossary Index[...]

T ABLE OF C ONTENTS vi[...]

1-1 C HAPTER 1 S WITCH M ANAGEMENT Configuration Options For ad vanced ma nagement capabili ty, the Tige rSwitch 100 managemen t agent provi des a menu-driv en system configurat ion prog ram. Th is progr am can be acces sed by a dire ct or modem connect ion to the ser ial port on the rear panel (out-of -band), or by a T elnet co nnectio n over the [...]

S WIT CH M ANAGEMENT 1-2 Required Connections Console Port (Out-of-Band) Connections Attach a VT100 compatible terminal or a PC running a terminal emula tion pr ogra m to the se rial po rt on the switch ’ s rear pane l. Use the null- modem cab le prov ided w ith this package, or use a null modem conn ection that com plies wi th the wi ring assign[...]

S WITCH M ANA GEM ENT 1-3 Remote Management via the Console Port Configure th e Switch Site Conn ect the swi tch ’ s DB 9 se rial p ort t o th e modem ’ s seri al port using standa rd cablin g. Fo r most mod ems which us e a 25-pin port, you will have to prov ide an RS -232 cable with a 9-pin co nnector on one end an d a 25-pin conne ctor o n t[...]

S WIT CH M ANAGEMENT 1-4 In-Band Connections Prior to accessin g the Ne twork Manag ement Mod ule via a networ k connect ion, you must f irst conf igure it with a val id IP addr ess, subnet mask, a nd defau lt gate way using an out- of-band connec tion or t he BOOT P protoc ol. After co nfig urin g the swi tch ’ s IP parameters , you can acc ess [...]

2-1 C HAPTER 2 U SING THE S YSTEM C ONFIGURATION P ROGRA M Login Screen Once a d irect conne ction t o the seri al port or a T elnet c onnecti on is estab lished, t he login scree n for the on-b oard config uration program appears as shown be low. If this is yo ur first time to log i nto th e con figurat ion pr ogram, t hen the de fault user name s[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-2 Y ou should de fine a new ad minist rator pas sword, re cord it and put it in a safe plac e. Selec t Console Logi n Configu ration from the Managem ent Setup Menu and enter a new pa ssword f or the admini strato r . Not e that passw ords can co nsist of u p to 11 alphanum eric charac ters and are [...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-3 Main Menu Wit h the s ystem configu ration progr am you c an defi ne sy stem parame ters, manage an d contr ol the switch , the c onnect ed stac k and all its po rts, or moni tor network condi tions . The figur e below of t he Main Me nu and t he foll owing t able brie fly de scribe the selec tions [...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-4 Management Setup Menu Network Configuration Includes IP setup, Ping facility, HTTP (Web agent) setup, Telnet configuration, and MAC address. Serial Port Configuration Sets communication parameters for the se rial port, including management mode, baud rate, console time-out, and screen data refresh[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-5 Extended Bridge Configuration Displays/configures extended bridge capabilities provided by this switch. 802.1P Configuration Configures default port priorities and queue assignments. 802.1Q VLAN Base Information Displays basic VLAN information, such as VLAN version number and maximum VLAN s suppo rt[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-6 System Information Menu Use the System Inf ormation Me nu to dis play a basic descr iption of the s witch , inclu ding contact info rmation, an d hard ware/fi rmware versi ons. Static Multicast Address Table Configuration* Used to manually configure host MAC addresses in the multicast table. Resta[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-7 Displaying System Information Use t he System Informati on scre en to d isplay descri ptive inform ation about th e switch, or for quick s ystem ident ificat ion as shown i n the follo wing figu re and table. System Information ================== System Description : TigerSwitch 100 SMC6 924VF Syste[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-8 Displaying Switch Version Information Use the Switch Info rmation screen t o display hardware/firmware versi on number s for t he main b oard, as wel l as the power st atus. Switch Information : Unit 1 ================== Main Board Hardware Version : V5.0 Firmware Version : V1.2 1 Serial Number : [...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-9 Agent Mo dule Hardware Version Hardware version of the agent module. POST ROM Version Power-On Self-Test version number. Firmware Version Firmware version of the agent module. SNMP Agent Shows that the agent module is ope rating as Master. Parameter Description[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-10 Management Setup Menu After initiall y logg ing onto t he sys tem, adju st the communi cation parameter s for your consol e to ensu re a reli able co nnecti on (Serial Port Configurat ion). Spec ify the IP address es for the swit ch (Network Configur ation / IP Conf iguration ), and then se t the[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-11 Changing the Network Configuration Use the Networ k Confi guration me nu to set the bootup option , confi gure th e switc h ’ s Inte rn et Pr otoc ol (IP ) param eters , ena ble th e on-boar d W eb agen t, or to se t th e numbe r of con curren t T elnet sessio ns allowe d. The sc ree n shown be l[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-12 IP Configuration Use the IP Configurat ion sc reen to set t he boot up option , or confi gure th e switc h ’ s IP parame ters. Th e scree n show n below i s descr ibed in the foll owing tabl e. MAX Number of Allowed Telnet Sessions The maximum number of Telnet sessions allowed to simultaneously[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-13 Default Gateway Gateway used to pass trap messages from the system ’ s agent to the management stati on. Note that the gateway must be defined if the management station is located in a different IP segment. The default value i s null. IP State Specifies whether IP functionality is enabled via man[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-14 IP Connectivity Test (Ping) Use the I P Connect ivity T est to see if anothe r site on the Inte rne t can be rea ched. The scr een shown below is describ ed in the follo wing tabl e. Network Configuration : IP Connectivity Test (Ping ) ================================================== = IP Addre[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-15 HTTP Configuration Use th e HTTP Conf iguratio n screen to enable/ disable t he on-boar d W eb age nt, and to spe cify the TCP port that wi ll provid e HTTP servic e. Th e scre en sh own be low is descr ibe d in the f ollo win g table. Network Configuration : HTTP Configuration ====================[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-16 Configuring the Serial Port Y ou can acces s the o n-board c onfigur ation pr ogram b y attach ing a VT100 compati ble devic e to t he swit ch ’ s serial port . (For more inform ation on co nnecti ng to thi s port, se e “ Req uired Connec tions ” on p age 1-2.) The communic ation par ameter[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-17 Parity None Sets the parity of the RS-232 port. Options : none/odd/even Time-Out 10 min utes If no input is received from the attached device after this interval, the current session is automatically closed. Range : 0 - 100 minutes; where 0 indicates disabled Auto Refresh 5 seconds Sets the interva[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-18 Assigning SNMP Parameters Use the SNMP Co nfigurat ion scree n to disp lay and m odify parame ters for the Simple Networ k Management Pr otocol (SNMP). The s witch in clud es an on- board SNMP agent which mon itors the status of its hardw are, as w ell as the traf fic pa ssing th rough it s ports[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-19 Configuring C ommunity Names The f ollowing figu re and tab le describe how to config ure the communi ty string s author ized for man agement acces s. Up to 5 comm unity nam es may be entere d. Note: The default commun ity st ring is “ publ ic ” with Read/Wri te access. SNMP Configuration : SNM[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-20 Configuring IP Trap Managers The f ollowing figu re and tab le describe how to specif y managemen t stat ions t hat will r eceive authenti cation failure messages or other tr ap messages from the sw itch. Up to 5 trap manager s may be entered. SNMP Configuration : IP Trap Managers ===============[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-21 Console Login Configuration Use th e Management Set up: Cons ole Login Co nfigurat ion to rest rict managem ent acce ss ba sed on s pecifi ed user names and passwo rds, or to s et the invalid p assword thres hold an d time-out . There are on ly two use r types de fined, ADMIN (A dministr ator) and [...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-22 Parameter Default Description Password Threshold 3 Sets the password intrusion threshold which limits the number of failed logon attempts. Range : 0~65535 Lock-out Time 0 The time (in seconds) the management console will be disabled due to an excessive number of failed l ogon attempts. Range : 0~[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-23 Downloading System Software Using TFTP to Download Over the Netw ork Use the TFTP Downlo ad menu to load softwa re upd ates in to the switch. The down load file sho uld be an SMC6924VF binary file from SM C; otherw ise the agent wil l not ac cept it. T he succ ess of the dow nload operat ion depend[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-24 Saving the System Configuration Use the Configu ration Sav e & Restor e menu to save the switc h config uration setti ngs to a file on a TFT P serv er . The fil e can be later d ownload ed to th e swi tch to restor e the switc h ’ s sett ings. The succes s of the operat ion dep ends on the [...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-25 Configurat ion D ownload Download Server IP IP address of a TFTP server. Download Filename The name of the file that contains the swi tch configuration settings you wish to restore. [Process TFTP Download] Issues a request to the TFTP server to dow nload the specified file. Download Status Indi cat[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-26 Configuring the Switch The De vice Co ntrol m enu i s used to contr ol a bro ad rang e of functi ons, including por t configurat ion, Spannin g T ree, port mirror ing, mu lticast filterin g, and Virt ual LANs. E ach o f the se tup scree ns pro vided by t hese co nfigurat ion menu s is des cribed [...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-27 BStorm Control Configuration Allows you to enable/disable broadcast stor m control on a per-port basis and set the packet-per-second threshold. Extended Bridge Configuration Displays/configures extended bridge capabi lities provided by this swi tch. 802.1P Configuration Configures default port prio[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-28 Configuring Port Parameters Use the Por t Configur ation menu s to set or dis play commu nication parame ters f or any port or module in the stack. Port Configuration : Unit 1 Port 1 - 12 ================== Flow Control on all ports : [Enable] [Disable] Port Type Admin Flow Control Speed and Dupl[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-29 Note: VF-45 port s operat e at 1 00 Mbps and supp ort ful l- and half-d uplex mod e. 10 0BASE-F X module ports operat e at 100 Mbp s, fu ll-dupl ex only. 1000BA SE-SX and 1000BA SE-LX po rts are fixed at 10 00 Mbps, but auto- neg otiat e du plex mode and f low cont rol. 1 000 BASE-T ports au to-ne [...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-30 Viewing the Current Port Configuration The Po rt I nformation screen display s the port t ype, status, link state, and flow control in use, as well as the communication speed and dup lex mod e. T o change any of th e port sett ings, u se the Port Confi guration me nu. Port Information : Unit 1 Po[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-31 FlowControl InUse Shows the flow control type in use . Flow control can eliminate frame loss by “ b locking ” traffic from end stations connected directly to th e switch. Back pressure is used for half dupl ex and IEEE 802.3x for full duple x. Note that flow control should not be used if a port[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-32 Using the Spanning Tree Algorithm The S panni ng T ree Alg orit hm ca n be u sed to de te ct an d dis ab le network loop s, and to provide bac kup links be tween switch es, bridges or rou ters. This allows th e switch to interact w ith other bridging device s (that is, an ST A-compliant switch, b[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-33 Parameter Default Des cription Spanning Tree Protocol Enabled Enable this parameter to participate in a S TA compliant network. Priority 3 2,768 Device priority is u sed in selecting the root device, root port, and designated port. Th e device with the highest priority becomes the STA root device. [...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-34 Max (Message) Age 20 The maximum time (in seconds) a device can wait without receiving a configuration message before attempting to reconfigure. All device ports (except for designated ports) should receive configuration messages at regular intervals. Any port that ages out ST A information (prov[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-35 Configuring STA for Ports The fol lowing figure and tab le desc ribe p ort ST A configu ration. Spanning Tree Port Configuration : Unit 1 Port 1 - 12 ================================ Fast forwarding on all ports : [Enable] [Disable] Port Type Priority Cost FastForwarding ---------------------------[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-36 Note: Fas t Forwardi ng enable s end-nod e workst ations and s ervers to overcom e time-o ut problems when the Spanning T ree Algorit hm is im plemente d in a network. T herefore, F ast Forwar ding sh ould onl y be enabled for por ts co nnecte d to an end-n ode de vice. (Path) Cost 100/19/4 This [...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-37 Viewing the Current Spanning Tree Information The Spanni ng T ree Informatio n scre en displays a sum mary of the ST A i nformation for the overall bridge or for a specif ic port . T o make any changes to the param eters for the Spanning Tree, use the Spanni ng T ree Configur ation m enu. Displayin[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-38 Parameter Description Priority Device priority is used in selecting the ro ot device, root port, and designated port. The device with the highest priority becomes the STA root device. Howe ver, i f all de vices have t he sam e prior ity, t he device with the lowest MAC address will then become th[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-39 Displaying the Current STA for Por ts The par amete rs shown in th e foll owin g figur e and tab le ar e for port ST A Information. Spanni ng Tree P ort Inf ormat ion : Unit 1 Por t 1 - 12 ====== ===== ==== ===== ======= === Port Type St atus D esig nated Designa ted Desig nate d Cost Bridge Port -[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-40 Status Disp lays cu rrent state of this port w ithin t he Sp anning Tree: No Link No link has been established on this port. Disabled Port has been disabled by the user or has failed diagnostics. Blocking Port receives STA configuration messages , but does not forward packets. Listening Port wil [...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-41 Using a Mirror Port for Analysis Y ou can mirror tr affic fr om any source port to a target port for real-time analysis. Y ou can then attach a logic analyzer or RMON probe to the tar get p ort and study the tr affic cros sing t he so urce port in a comp letely uno btru sive manne r . When mirror i[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-42 Configuring Port Trunks Port t runks can be used to incre ase th e band width of a ne twork connec tion or to ensure fault recover y. Y ou can confi gure up five trunk co nnectio ns (combinin g 2~4 ports int o a fat pipe) betwee n any two st andalon e SMC6924V F switc hes, or up to 12 for an enti[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-43 Y o u can us e the Port Trunking Conf igura tio n scre en set up port trunks as shown below: Port Trunk ing Con figu ratio n ======= ===== ===== ==== ====== Trunk ID Status Member Li st 1234 -------- - ---- ---- -- ----- ---- ---- ----- -- ---- ------- - ----- ----- -- -------- Unit : - Unit : - Un[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-44 The V F-45 po rts u sed fo r one s ide o f a trunk must a ll be on the same i nternal swi tch ch ip. Th e port g roups pe rmitted inc lude: The 100 BASE- FX fibe r port s used fo r one si de of a tru nk must all be on the s ame modu le. H oweve r , the 1000BA SE-X por ts use d for one side of a t[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-45 IGMP Multicast Filtering Multic asting is us ed to suppor t real-time app licati ons such as video confer enci ng or strea ming audio. A mul ticas t serve r does n ot h ave to es tablish a separa te conn ection with each c lient. It mer ely broad cas ts its se rvi ce to th e n etwor k, an d an y ho[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-46 Configuring IG MP This protocol allows a host t o inform its local s witch/ router t hat it wants to receiv e trans missio ns addre ssed to a spe cific multicast group. Y ou can us e the IG MP Conf iguration scree n to co nfigure mult ica st filt erin g show n be low. Note: The defau lt val ues a[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-47 Configuring Broadcast Storm Control Use t he Broa dcast S torm Contro l Con figurati on scr een to e nable broa dcast storm co ntrol for any p ort on the swit ch, as shown below . Broadcast Storm Control Configuration : Unit 1 Port 1 - 12 ====================================== Broadcast control on [...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-48 Configuring Bridge MIB Extensions The B ridge M IB incl udes ext ensions for managed d evic es that suppor t T raffic Classes an d Vi rtual LA Ns. T o disp lay and c onfigure these extens ions, us e the Extend ed Bridge Confi guration s creen as shown below . Extended Bridge Configuration =======[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-49 Configurable PVID Tagging This switch allows you to override the de fault PVID (Port VLAN ID) assigned to untagge d incoming frames under “ 802.1Q VLAN Por t Configuration ” on page 2-58.) Local VLAN Capable This switch does not sup port multiple local bridges (that is, multiple Spanning Trees)[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-50 Configuring Traffic Classes IEEE 80 2.1p define s up to 8 sepa rate t raffic clas ses. This swit ch supports Quality of Service (QoS) by using two priority queu es, with W eig hted F air Queu ing for each po rt. Y ou can use th e 802 .1P Confi guration m enu to c onfigure the de fault pr iori ty [...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-51 Port Priority Configuration Inbound frames that do no t have an y VLAN tags are t agged with the inpu t port ’ s default VLAN ID (PVID) and th e Default Ingr ess User Pr iority as shown in the fol lowing menu , and th en sorted i nto the ap propriat e prio rity qu eue at t he outp ut port . (Note[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-52 802.1p Port Traffic Class Information This sw itch p ro vides two prio rity leve ls w ith W e ight ed Fair Queuing for port egress. Th is means th at any fram es with a pri ority tag fr om 0~3 ar e sent to the lo w priority que ue “ 0 ” wh ile those from 4 ~7 are se nt to the h igh prio rity [...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-53 Configuring Virtual LANs Y ou can u se the VLAN con figurati on menu to assig n any por t on the s witch t o any of up to 256 LAN g roups. I n conven tion al network s with routers , broa dcast traffi c is spli t up into se parate domains . Switches do not in herentl y support broadcast domains . T[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-54 802.1Q VLAN Current Table Information This scr een sho ws the cu rrent po rt mem bers of each VLAN and whether or not t he port sup ports V LAN ta gging. Ports ass igned to a large VLAN gro up that cro sses sev eral sw itche s shoul d use VLAN tagging. Howe ver , i f you just w ant to c reate a s[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-55 Creati on Time The valu e of s ysUpT ime (S ystem U p Time ) when this VLAN was created. Status Shows how this VLAN was added to the s witch. Dynamic GVRP: Automatically learned via GVRP. Permanent: Added as a static entry. Unit Stack unit. Current Egress Ports Shows the ports which have been added[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-56 802.1Q VLAN Static Table Configuration Use this screen to c reate a new VLA N or mo dify th e se ttings for an exist ing VLA N. Y ou can ad d/del ete port membe rs for a VLAN f rom any unit in the stack as a tagged or untagged memb er . Or you can preven t a port from be ing auto mati cally adde [...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-57 For exampl e, the fo llowin g screen disp lays setti ngs for VLAN 2, which i ncludes tagge d ports 1-6, and forbid den port 8. Notes : 1. T o allow this switch to part icipate in a VLAN gr oup that e xtends be yond this s witch, y ou mus t add th e VLAN ID for the requi red ext ernal gr oups. 2. If[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-58 802.1Q VLAN Port Configuration Use thi s scr een to c onfigur e port-s peci fic sett ings for IEEE 80 2.1Q VLAN feature s. 802.1Q VL AN Port C onfig urati on : Unit 1 Port 1 - 12 ======= ==== ===== ===== ======= === Port PVI D Acce ptabl e Ingr ess GVRP GVRP Fai led G VRP Last Frame Typ e Filter [...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-59 GVRP Status* Enables or disables GVRP for this port. Whe n disabled, any GVRP packets received on this port will be discarded and no GVRP registrations will be propagated from other ports. Note that GVRP must be enabled for the sw itch before this setting can take effect. (See D evice Control Menu [...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-60 Port Security Configuration Use the Port Security Configurati on screen to enable and configure port secu rity for th e swit ch. Por t Securi ty allow s you to co nfigu re each port wit h a list of MAC addresses of dev ices that are auth orized to ac cess th e net work th rough that p ort. Port S[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-61 Mode Port security can be set to three states; Static, Disable, or Learning. When set to Static, the switch w ill drop packets from the port if the source MAC address does not match one of the addresses i n the MAC Address list. If set to Learning, the switch will add the source MAC address of all [...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-62 Monitoring the Switch The N etwork M onitor Menu pr ovides access t o port s tatistic s, RMON statistics, IP multicast addresses, and the static address tabl e. Each of the sc reens p rovided by thes e menus is desc ribed i n the fo llow ing se ctions . Network Monitor Menu ==================== P[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-63 Displaying Port Statistics Port Statistic s display key stat istics from the Ethernet- like MIB for each port . Error st atisti cs on the traf fic pa ssing thr ough eac h port are dis played. This in formation c an be used t o identi fy po tential probl ems wit h the sw itch (suc h as a faulty port[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-64 Multiple Collision Frames* A count of successfully transmitted frame s for which transmission is inhibited by more than one coll ision . SQE Test Errors* A count of times that the SQE TEST ERROR message is generated by the PLS sublayer. Deferre d Transmissions* A count of frames for which the f i[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-65 Displaying RMON Statistics Use the RM ON Sta tist ics scre en to d ispla y key stat isti cs for ea ch port f rom RMON g roup 1. (R MON groups 2, 3 and 9 can only be accessed using SNMP management software such as El iteView.) The fol lowing screen d isplays the ov erall st atist ics on tr affic pas[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-66 Multicast Frames The total number of good frames received that were directed to this multicast address. CRC/Alignment Errors The number of CRC/alignment errors (FCS or alignment errors). Undersize Frames The total number of frames r eceived that were less than 64 octets long (excluding framing bi[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-67 Displaying the Unicast Address Table The A ddress T able con tains t he MAC addresse s and VL AN identi fier ass ociated wit h each po rt (that is, t he sour ce port associat ed with the address and VLAN), sorted by MA C address or VLAN ID. Y ou can search for a specific address, clear the en tire [...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-68 VID The VLAN(s) associated with this address or port. Unit Switch unit in the stack (1~4). Port The port whose address table includes this MAC address. Status Indicates address status as: D: Dynamically learned, or P: Fixed permanently by SNMP network management software. Sorted/Cleared by Select[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-69 Displaying the IP Multicast Registration Table Use the IP Multicast Re gistr ation T able to display all th e multicast groups active on this switch, inclu ding multic ast IP address es and the c orrespon ding VLA N ID. IP Multica st Regi stra tion Tab le ======= ===== ===== ==== ======== == VID Mu[...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-70 Configuring Static Unicast Addresses Use the Static Unicas t Addre ss T able Conf iguration scree n to manually confi gure ho st MAC addresses in the unic ast tab le. Y ou can us e this screen t o associat e a MAC address wit h a speci fic VLAN ID and swit ch port as sh own below. Static Un icast[...]

U SING THE S YSTEM C ONFIGURATION P ROG R A M 2-71 Status The status for an entry can be set to: Permanent This entry is currently in use and will remain so after the next reset of the switch. DeleteOnReset T his entry is currently in use and will remain so until the next reset. Invalid Removes the corresponding entry. DeleteO nTimeO ut This entry [...]

U SING THE S YSTE M C ONFIGURATION P RO G R A M 2-72 Resetting the Sy stem Use the Re start comman d unde r the Ma in Men u to reset th e managem ent agent . The reset scre en include s opti ons as shown in the f ollowing figu re and tab le. Logging Off the System Use the E xit com mand und er the Mai n Menu to exit the config uration progr am and [...]

3-1 C HAPTER 3 W EB -B ASED M ANAGEMENT Web-Based Configuration and Monitoring As wel l as the m enu-dri ven sys tem confi guration p rogra m, the agent m odule prov ides an embe dded HTTP W eb agent. This age nt can be acc essed by any comput er on the network us ing a sta ndard W eb browser (Internet Explore r 4.0 or ab ove, o r Netscap e Navigat[...]

W EB -B ASED M ANAGEMENT 3-2 Navigating the Web Browser Interface T o access t he W eb- browser in terface you mus t fi rst en ter a us er name and passwo rd. The default user name is “ admin, ” wi th no password. The admin istrato r has Read/W rite access to all config uration parameter s and stati s tics. Home Page When yo ur W eb br owser co[...]

W EB -B ASED M ANA GEM ENT 3-3 If this is your first time to acce ss the ma nagemen t agent, you should define a new Administ rator passwor d, reco rd it and put it in a safe place. From the Main Menu, select Secu rity and enter a new password for the Administrator . Note that passwords can consist of up t o 11 alphan umeric c haracters and are not[...]

W EB -B ASED M ANAGEMENT 3-4 Panel Display The W eb agent displays an image o f the switch ’ s ports, sho wing port li nks and ac tivity . Clickin g on the image of a port di splays stati stics and configur ation info rmation for the port . Clickin g on the image of the seria l port (label ed “ Mgmt ” ) dis plays the C onsole Confi guration s[...]

W EB -B ASED M ANA GEM ENT 3-5 Console Configuration If yo u are havi ng difficul ties m aking a n out-of- band con sole connec tion t o the s eri al port o n the ag ent mo dule, yo u can display or m odify the cu rrent setti ngs for the s erial port throug h th e W eb agent. Click on the s erial po rt icon in th e switch i mage t o displ ay or con[...]

W EB -B ASED M ANAGEMENT 3-6 Time-Out 10 minutes If no input is received from the attached device after this interval, the current session is automatically closed. Range : 0 - 100 minutes; 0: disabled Data bits 8 bits Sets the data bits of the RS-232 p ort. Options : 7, 8 Stop bits 1 bit Sets the stop bits of the RS-232 port. Options : 1, 2 Parity [...]

W EB -B ASED M ANA GEM ENT 3-7 Main Menu Using the on-board W eb agen t, y ou can define syst em par ameters , manage and co ntrol th e switch, th e connect ed stack and all its ports, or monitor n etwork c onditio ns. The f ollowing table b riefly descri bes the sele ctions available from th is program . Menu Description System Provide s basic sys[...]

W EB -B ASED M ANAGEMENT 3-8 System Information Use t he System Informati on scre en to d isplay descri ptive inform ation about th e switch, or for quick s ystem ident ificat ion as shown i n the follo wing figu re and table. Parameter Description System Name* Name assigned to the switch system. IP Address IP address of the agent you are managing.[...]

W EB -B ASED M ANA GEM ENT 3-9 Switch Information Use the Swi tch Infor mat ion scre en to displ ay hardw are/fir mware versi on number s for t he main b oard, as wel l as the power status and module s plugg ed into the syst em. Main Board Parameter Description Serial Number Serial n umber of the main board. Number of Ports Number of ports (includi[...]

W EB -B ASED M ANAGEMENT 3-10 Agent Module Expansion Slot Parameter Description Hardware Version Hardware version of the agent module. POST ROM Version Agent m odule ’ s Power-On Self-Test version. Firmware Version Agent module ’ s firmw are ve rsion. Role Shows that the agent module is operating as Master. Parameter Description Expansion Slot [...]

W EB -B ASED M ANA GEM ENT 3-11 IP Configuration Use the IP Configurat ion sc reen to set t he boot up option , confi gur e the IP ad dre ss for the on-bo ard m anag ement a gent , or set t he numb er or co ncurrent T elnet s essions al lowed. The sc reen shown b elow is descri bed in t he fol lowing ta ble. Parameter Default Description IP State U[...]

W EB -B ASED M ANAGEMENT 3-12 IP Address 10.1.0.1 IP address of the switch you are managing. The switch supports SNMP over UDP/IP transport protocol. In this environment, all systems on the Internet, such as network interconnection devices and any PC accessing the on-board agent (or running EliteView) are assigned an IP address. Valid IP addresses [...]

W EB -B ASED M ANA GEM ENT 3-13 SNMP Configuration Use the SNMP Co nfigurat ion scree n to disp lay and m odify parame ters for the Simple Networ k Management Pr otocol (SNMP). The stack should in cludes an SNMP agent module which monito rs the stat us o f its hardwar e, as well as the t raffic pa ssing th rough its ports. A computer at tached t o [...]

W EB -B ASED M ANAGEMENT 3-14 Trap Managers The f ollowing figu re and tab le describe how to specif y managemen t stat ions t hat will r eceive authenti cation failure messages or other tr ap messages from the sw itch. Up to 5 trap manager s may be entered. Parameter Description Trap Manager Capabi lity Up to 5 trap managers may be used. Trap Mana[...]

W EB -B ASED M ANA GEM ENT 3-15 Security Configuration Use the Se curity C onfigu ration sc reen to restrict manag ement access b ased on a sp ecifi ed pass word. T he A dministrat or ha s writ e acces s for p aramete rs gov erning th e SNMP ag ent. Y ou sh ould therefore assign a password to the Administrator as soon as possibl e, and store it in [...]

W EB -B ASED M ANAGEMENT 3-16 Firmware Up grade Opt ions Y ou can upgrade syst em firmware via a W eb browser , a TFTP server , or a direc t conn ection to the cons ole port . Web Upload Management Use the W eb Upl oad Managemen t menu t o load so ftware updates into t he swit ch. Th e upload file sho uld be an SMC692 4VF bin ary file fro m SMC; ot[...]

W EB -B ASED M ANA GEM ENT 3-17 TFTP Download Management Use the TFTP Download Man agement men u to lo ad software upda tes into th e switch. The downlo ad file shoul d be an SMC6924V F binary file from SMC; oth erwise th e agent will not accept it. The succes s of the download operati on de pends o n the accessib ility of the TFTP se rver and th e[...]

W EB -B ASED M ANAGEMENT 3-18 Configuration Save and Restore Use the Configure s creen to save the swit ch co nfigurat ion set tings to a file on a TFTP se rver . The file can be later download ed to the switch to resto re the switch ’ s settin gs. Th e succe ss of the operati on depend s on the acces sibilit y of the TFT P server and the quality[...]

W EB -B ASED M ANA GEM ENT 3-19 Configuration Download Management Use the Config uration D ownload Manageme nt to res tore s witch confi gurat ion settings from a file on a TFTP seve r . Para mete rs shown o n this screen are indi cated in the fol lowing f igure and table. Parameter Description Server IP Address IP address of the TFTP server. File [...]

W EB -B ASED M ANAGEMENT 3-20 Address Table Configuration The Addr ess T able contai ns the un icast M AC addresses and VLA N identifi er assoc iated wi th each p ort (that i s, the source port), so rted by MA C addr ess or VLAN. Y ou can also cl ear the entire addr ess table, or inf ormation assoc iated with a specific address; or set the aging t [...]

W EB -B ASED M ANA GEM ENT 3-21 Spanning Tree Algorithm (STA) The Sp anning T ree Algor ithm can be used to d etect and disable networ k loops, and to provide backup links between s witche s, bridges or route rs. This allows the switc h to inter act with other bridg ing device s (that is, ST A-compliant s witch, bridge or route r) in your networ k [...]

W EB -B ASED M ANAGEMENT 3-22 Spanning Tree The p arameter s sho wn in th e fol lowing f igure and ta ble desc ribe the curr ent bridg e ST A Infor mation . Parameter Description Spanning Tree State Shows if the switch is enabled to participate in an STA-compliant network. Bridge ID A unique identifier for this bridge, consisting of bridge priority[...]

W EB -B ASED M ANA GEM ENT 3-23 Ports The par amete rs shown in th e foll owin g figur e and tab le ar e for port ST A Information. Parameter Description Port Status Displays the current state of this port within the spanning tree: No Link No link has been established on this port. Disabled Port has been disabled by the user or has failed diagnosti[...]

W EB -B ASED M ANAGEMENT 3-24 The rules defining port status are: • A port on a network segment with no oth er STA compliant bridging device is always forwar ding. • If two ports of a switch are connected to the same segment and there is no other STA device attached to this segment, the port with the smaller ID forwards packets and the other is[...]

W EB -B ASED M ANA GEM ENT 3-25 Spanning Tree Configuration The fo llowin g figur es and table s desc ribe Bri dge ST A config uration. Switch When the Switch Becomes Root Parameter Default Des cription Usage Enabled Enable this parameter to participate in an STA compliant network. Priority 3 2,768 Device priority is used in selecting the root devi[...]

W EB -B ASED M ANAGEMENT 3-26 Max (Message) Age 20 The maxi mum time (in seconds) a device can wait without receiving a configuration message before attempting to reconfigure. All devi ce ports (except for designated ports) should receive configuration messages at regular intervals. Any port that ages out STA information (provided in the last confi[...]

W EB -B ASED M ANA GEM ENT 3-27 STA Port Configuration The follo wing figur e and tabl e descri be ST A config uratio n for ports or modul es. Parameter Default Description Fast Forwarding Mode (All Ports) Enabled See “ Fast Forward ” in this table. Priority 128 Defines the priority for the use of a port in the ST A algorithm. If the path cost [...]

W EB -B ASED M ANAGEMENT 3-28 Path Cost 100/19/4 This parameter is used by the STA algorithm to determine the best path between devices. Therefore, lower values should be assigned to ports attached to faster media, and higher value s assigned to ports with slower media. The default and recommended range is: Standard Ethernet: 100 (50~600) Fast Ethe[...]

W EB -B ASED M ANA GEM ENT 3-29 Configuring Bridge MIB Extensions The B ridge M IB incl udes ext ensions for managed d evic es that suppor t T raffic Classes an d Vi rtual LA Ns. T o disp lay and c onfigure these extensio ns, us e the B ridge Ex tension screen as shown below : Bridge Capability Parameter Description Extended Multicast Filte ring Se[...]

W EB -B ASED M ANAGEMENT 3-30 Bridge Settings Parameter Description Traffic Classes* Multiple traffic c lasses are supported by this switch as indicated under Bridge Capabilities. How ever, you can disable this function by setting this p arameter to False. GMRP* GARP Multicast Registration Protocol (GMRP) allows network devices to register endstati[...]

W EB -B ASED M ANA GEM ENT 3-31 Priority IEEE 80 2.1p define s up to 8 sepa rate t raffic clas ses. This swit ch supports Quality of Service (QoS) by using two priority queu es, with W eig hted F air Queui ng for each por t. Y ou can u se the Priori ty Menu to con figure t he de fault priori ty for each port , or to disp lay the mappi ng for the tr[...]

W EB -B ASED M ANAGEMENT 3-32 Port Traffic Class Information This swit ch prov ides two prio rity lev els with weigh ted fair queuin g for port egress. This means that an y frames with a default or user priori ty from 0~ 3 are se nt to the low pr iority queue “ 0 ” whi le those from 4 ~7 are se nt to the h igh prio rity queue “ 1 ” as shown[...]

W EB -B ASED M ANA GEM ENT 3-33 Configuring Virtual LANs Y ou can u se the VLAN con figurati on menu to assig n any por t on the s witch t o any of up to 256 LAN g roups. I n conven tion al network s with routers , broa dcast traffi c is spli t up into se parate domains . Switches do not in herentl y support broadcast domains . This can lead to bro[...]

W EB -B ASED M ANAGEMENT 3-34 VLAN Current Table This scr een sho ws the cu rrent po rt mem bers of each VLAN and whether or not t he port sup ports V LAN ta gging. Ports ass igned to a large VLAN gro up that cro sses sev eral sw itche s shoul d use VLAN tagging. Howe ver , i f you just w ant to c reate a sm all port-b ased VLAN for one o r two swi[...]

W EB -B ASED M ANA GEM ENT 3-35 VLAN Static List Use t his sc reen t o create or remove V LAN gro ups. Egress Ports Shows the ports which have been added to the displayed VLAN group. Untagged Ports Shows the untagged VLAN port members. Parameter Description Current Lists all the current VLAN groups created for this system. Up to 256 VLAN groups can[...]

W EB -B ASED M ANAGEMENT 3-36 VLAN Static Table Use t his sc reen t o modify the se ttin gs for an exis ting V LAN. Y ou can add/ delete port me mbers for a VLA N from any unit i n the stack. (Note tha t VLAN1 i s fixed as an unt agged VL AN contain ing all por ts in the st ack, and cann ot be m odified v ia this s creen.) Use the followi ng men u [...]

W EB -B ASED M ANA GEM ENT 3-37 Use the menu s hown belo w to preve nt a por t from b eing dynamic ally ad ded to the d ispla yed VLA N grou p thro ugh G VRP . Use the me nu show n bel ow to assign ports to t he specif ied VL AN group as an IEEE 8 02.1Q t agged or untagge d port. A ssign ports as tagge d if they are con nected to 802. 1Q VLAN c omp[...]

W EB -B ASED M ANAGEMENT 3-38 VLAN Static Membership by Port Use the sc reen sh own be low to assign VL AN groups to the selec ted por t. T o perform detaile d port c onfigur ation fo r a specif ic VLAN, us e the VLAN Stati c T able (page 3-36 ). Parameter Description Port Number Port num ber on the switch selected from the upper display panel. Add[...]

W EB -B ASED M ANA GEM ENT 3-39 VLAN Port Configuration Use thi s scr een to c onfigur e port-s peci fic sett ings for IEEE 80 2.1Q VLAN feature s. Parameter Description PVID The VLAN ID assigned to untagged frame s received on this port. Use the PVID to assign ports to the same untagged VLAN. Acceptable Frame Type This s witc h a ccepts “ All ?[...]

W EB -B ASED M ANAGEMENT 3-40 IGMP Multicast F iltering Multic asting i s used to suppor t real-time app licati ons such as video confer enci ng or strea ming audio. A mul ticas t serve r does n ot h ave to es tablish a separa te conn ection with each c lient. It mer ely broad cas ts its se rvi ce to th e n etwor k, an d an y hosts wh ich wa nt to [...]

W EB -B ASED M ANA GEM ENT 3-41 Configuring IGMP This protocol allows a host t o inform its local s witch/ router t hat it wants to receiv e trans missio ns addre ssed to a spe cific multicast address group. Use the IGMP C onfigur ation sc reen to s et key parame ters for mult icast filter ing as shown below. Note: The defau lt val ues are indic at[...]

W EB -B ASED M ANAGEMENT 3-42 IP Multicast Registration Table Use the IP Multicast Re gistr ation T able to display all th e multicast groups active on this switch, inclu ding multic ast IP address es and the c orrespon ding VLA N ID. Parameter Description VLAN ID VLAN ID assigned to this multicast group. Multicast IP Address IP address for specifi[...]

W EB -B ASED M ANA GEM ENT 3-43 Port Menus Port Information The Po rt I nformation screen display s the p ort s tatus, link st ate, t he communi cation speed an d duplex mode, as well as the fl ow contr ol in us e. T o chang e any of the p ort se ttings , use the Por t Confi guration me nu. The paramet ers are s hown in t he fol lowing figu re and [...]

W EB -B ASED M ANAGEMENT 3-44 Port Configuration Use the Port Config uration menu t o config ure any p ort on the switch. Parameter Default Description Flow Control Mode (on all ports) Disab led See “ Flow Control Status ” in this ta ble. Admin Status Enable Allows you to disable a port due to abnormal behavior, and then re-enable it after the [...]

W EB -B ASED M ANA GEM ENT 3-45 Note: VF-45 port s operat e at 1 00 Mbps and supp ort ful l- and half-d uplex mod e. 10 0BASE-F X module ports operat e at 100 Mbp s, fu ll-dupl ex only. 1000BA SE-SX and 1000BA SE-LX po rts are fixed at 10 00 Mbps, but auto- neg otiat e du plex mode and f low cont rol. 1 000 BASE-T ports au to-ne gotia te spe ed (10[...]

W EB -B ASED M ANAGEMENT 3-46 Port Broadcast Storm Protect Configuration Use the Port B roadcas t Storm Pro tect Con figur ation s creen to conf igure broad cast st orm control fo r any port on th e switch . Parameter Default Description Broadcast Storm Protect Mode Enabled Allows you to enable/disable broadcast storm control for all ports on the s[...]

W EB -B ASED M ANA GEM ENT 3-47 Port Security Configuration Use the Port Secur ity C onfi gurat ion scree n to en able and c onfi gure port secu rity for th e swit ch. Por t Securi ty allow s you to co nfigu re each port wit h a list of MAC addresses of dev ices that are auth orized to ac cess th e net work th rough that p ort. Parameter Descriptio[...]

W EB -B ASED M ANAGEMENT 3-48 Using a Port Mirr or for Analysis Y ou can mirror tr affic from an y source port to a target port for real-time analysis. Y ou can then attach a logic analyzer or RMON probe to the tar get p ort and study the tr affic cros sing t he so urce port in a comp letely uno btru sive manne r . When mirror ing po rt tra ffic, n[...]

W EB -B ASED M ANA GEM ENT 3-49 Port Trunk Configuration Port t runks can be used to incre ase th e band width of a ne twork connec tion or to ensure fault recover y. Y ou can confi gure up five trunk co nnectio ns (combinin g 2~4 ports int o a fat pipe) betwee n any two st andalon e SMC6924V F switc hes, or up to 12 for an enti re stack . Howe ver[...]

W EB -B ASED M ANAGEMENT 3-50 Use the Port T runki ng Config uration s creen t o set up port t runks as show n bel ow: Parameter Description Trunk A unique identifier for this trunk. You can configure up to five trunks per switch. Status Enables or disables the displayed trunk. Member Li st Y ou can create up to 1 2 trunks for the entire stack by s[...]

W EB -B ASED M ANA GEM ENT 3-51 The V F-45 po rts u sed fo r one s ide o f a trunk must a ll be on the same i nternal swi tch ch ip. The p ort gro ups permitt ed inclu de: The 10 0BASE-F X SC-type fiber ports used for one si de of a trunk must all be on the sa me module. However , the 100 0BASE-X por ts used for one side of a trunk m ay be on any s[...]

W EB -B ASED M ANAGEMENT 3-52 Port Statistics Use the P o rt Stat istics m enu to dis play Et herlik e or RMON st atisti cs for any port on th e switc h. The s tatis tics d ispla yed are i ndicated in the f ollowing figu re and tab le. Etherlike Statistics Etherlike Statisti cs display key stat istics fro m the Ethernet-like MIB for each po rt. Err[...]

W EB -B ASED M ANA GEM ENT 3-53 Note: Stat istics are autom atically refres hed ever y 60 se cond s. Deferre d Transmissions* A count of frames for which the first transm ission attempt on a particular interface is delayed be cause the medium was busy. Late Collisions The number of times that a collision is detected later than 512 bit-times into th[...]

W EB -B ASED M ANAGEMENT 3-54 RMON Statistics RMON Statistics display key s tatistics for each port or media modul e from RM ON gr oup 1. ( RMON gro ups 2, 3 and 9 c an only b e a c c e s s e d u s i n g S N M P m a n a g e m e n t s o f t w a r e s u c h a s E l i t e V i e w . ) The fo llow ing scr een disp lays ov eral l stat istics on tra ffic [...]

W EB -B ASED M ANA GEM ENT 3-55 Undersize Frames The total number of frames received that were less than 64 octets long (excluding framing bits, but including FCS octets) and were otherwise w ell form ed. Oversize Frames The total num ber of frames receiv ed that were longer than 1518 octets (excluding framing bits, but including FCS octets) and we[...]

W EB -B ASED M ANAGEMENT 3-56 Note: Statistics are automatically refreshed every 60 seconds. 512-1 023 Byt e Frames The total number of packets (includin g bad packets) received and transmitted that were between 512 and 1023 octets in length inclusive (excluding f raming bits but including FCS octets). 1024- 1518 By te Frames The total number of pa[...]

4-1 C HAPTER 4 A DVANCED T OPICS This T igerSw itch 10 0 supp orts Laye r 2 swit chin g and ot her advanced features , which are desc ribed i n this chapter . Layer 2 Switching When a frame enters a port, its destinatio n MAC address is chec ked in th e addr ess da taba se to s ee whic h port le ads to this destin ati on. If th e des tinat ion addr[...]

A DVANCED T OPICS 4-2 Spanning Tree Algorithm The Spanni ng T ree Algorithm (t hat is, t he ST A configuratio n algori thm as outl ined i n IEEE 80 2.1D) can be used to detect and disable network loo ps, an d to provide link backu p. Th is allow s the switch to inte ract with othe r bridgi ng de vices (i nclu ding ST A-com pliant switch es, bridg e[...]

A DVANCED T OPICS 4-3 The foll owing figure gi ves an il lustratio n of how th e Spanning T ree Algorith m assigns br idging de vice po rts. Virtual LANs Switche s do not i nherent ly suppor t broadc ast dom ains, whic h can lead to b roadcast storms in lar ge networks t hat handle a lot of IPX or NetB eui traffic. In co nventio nal networks with r[...]

A DVANCED T OPICS 4-4 VLANs p rovide greater networ k efficien cy b y reduci ng broad cast traffic, but also al low you to make netw ork change s withou t havin g to up date IP addres ses o r IP su bnets. VLANs inherent ly provi de a high leve l of ne twork se curit y, sinc e traffic m ust p ass throu gh a Layer 3 switch or a ro uter t o reach a di[...]

A DVANCED T OPICS 4-5 Port- based VLA Ns are tied t o specifi c po rts. The switc h ’ s forw ardin g decisi on is ba sed on the de stin atio n MAC ad dre ss and its ass ociated p ort. Therefor e, to m ake valid forwarding and flood ing dec isions , the switch learns th e relati onship of t he MAC addres s to its r elated port — and thus to the [...]

A DVANCED T OPICS 4-6 Connecting VLAN Groups The switc h support s intra-V LAN commun icati on using wir e-s peed switching. How ever , if you have devices in separ ate V LANs th at must communicate, and it is not practical to include these devices in a co mmon VLA N, then t he VLAN s can be c onnected via a Layer 3 swit ch (su ch as th e SMC6 724 [...]

A DVANCED T OPICS 4-7 nodes join or leave multic ast gr oups. A switch or rou ter can then easily determine wh ich ports co ntain group m embers and send data out t o those p orts only. T his proc edure is c alled multicas t filter ing. The p urpose of multicas t filter ing is to opti mize a s witche d netwo rk ’ s performanc e, so mul ticast pac[...]

A DVANCED T OPICS 4-8 Based on the g roup mem bersh ip informatio n learned f rom IGMP , a router /swi tch can deter m ine w hic h (i f any ) m ultica st t raf fic n eeds to be forwarded to each of its ports. At Layer 3, multicast routers use th is inf orm atio n, al ong wit h a mu ltic ast rout ing pr otoc ol su ch as DVMRP , to support IP mul tic[...]

A DVANCED T OPICS 4-9 Port Trunks Ports can be co mbined int o an aggregate link to incre ase the band width of a netw ork co nnecti on or ensure fault re cov ery. Y ou can gr oup por ts int o trunks that cons ist of two, th ree or four po rts, creati ng an aggregate bandwi dth up to 8 Gb ps wh en grou ping multip le G igabit p orts. Besid es balan[...]

A DVANCED T OPICS 4-10 event manage r , log manag er , MIB br owser , RMON analysis t ools, and devi ce ma nagement modules. SMC also p rovides opti onal plug- in device man ageme nt modules f or HP OpenVi ew. Remote Monitoring Remote Moni toring (RMON ) p rovid es a co st-ef fect ive wa y to monit or lar ge netwo rks by p lacing embedde d or ext e[...]

A DVANCED T OPICS 4-11 stor ms, or ot her unus ual e ven ts. Histor ica l inf or mat ion ca n al so be used t o pred ict net work gr owth a nd plan f or ex pansion before your n etwork b ecomes too overload ed. Alarms : Can be se t to test d ata over any speci fied time inte rval, and can monito r absolu te or chan ging v alues (su ch as a statisti[...]

A DVANCED T OPICS 4-12[...]

A-1 A PPENDIX A T ROUBLESHOOTING Troubleshooting Chart Troubleshooting Chart Symptom Action Cannot connect using Telnet, Web browser, or SNMP software • Be sure to have configured the agent with a valid IP address, subnet mask and default gateway. • Check that you have a valid network connection to the switch and that the port you are using has[...]

T R OUBLESHOOTI NG A-2 Upgrading Firm ware via t he Serial Port Y ou can upgr ade syst em firmware by co nnectin g your c omputer t o the serial port o n the switch, and using a consol e interface package that sup ports the XModem p rotocol. (See “ Required Connec tions ” on p age 1-2.) 1. Restar t the syst em by usi ng the Res tart System comm[...]

T R OU BLE SHOOT ING A-3 3. Change your baud rat e to 115200 bps, and press Enter to enable dow nload mode. From the terminal em ulation program, selec t the f ile yo u want to downlo ad, set the prot ocol t o XModem, and t hen initiali ze downloadi ng. Notes: 1. If yo u use Win dows HyperTer minal, di sconnect and recon nect to enable the new baud[...]

T R OUBLESHOOTI NG A-4[...]

B-1 A PPENDIX B P IN A SSIGNME NTS Console Port Pin Assignments The DB -9 serial port on the s witch ’ s rear pane l is us ed to connect to the switch for ou t-of-b and cons ole confi guratio n. The o n-board menu-d riven c onfig uration progra m can b e acces sed from a ter min al, a PC runn ing a ter mi nal em ula tion pr ogra m, or fr om a rem[...]

P IN A SSIGNM ENTS B-2 DB-9 Port Pin Assignments Console Port to 9-Pin COM Port on PC Console Port to 25-Pin DCE Port on Modem EIA Circuit CCITT Signal Descr ipt ion Switc h’s DB9 DTE Pin # PC DB9 DTE Pin # Modem DB25 DCE Pin # Signal Direction DTE-DCE CF 109 DCD (Data Carrier Detected) 1 1 8 <------ BB 104 RxD (Receiv ed Data) 2 2 3 <-----[...]

P IN A SSIGNME NTS B-3 Console Port to 25-Pin DTE Port on PC Switch’s 9-Pin Seria l Port Null Mode m PC ’s 2 5-Pi n DTE Po rt 1 DCD 8 DCD 2 RXD 3 TXD 3 TXD 2 RXD 4 DTR 20 DTR 5 SGND 7 SG ND 6 DSR 6 DSR 7 RTS 4 RTS 8 CTS 5 CTS 9 RI 22 RI 11 23 32 48 52 0 67 74 95 20 6[...]

P IN A SSIGNM ENTS B-4[...]

Glossary-1 G LOSSARY Bandwidth Utilization The perc entage of pac kets re ceived o ver time as com pared to over all b andw idth . BOOTP Boot protocol used t o load t he oper ating sys tem for d evices conne cted to the net wor k. GARP VLAN Registration Protocol (GVRP) Defines a way for switches to exchange VLAN infor mation in order to regi ster n[...]

Glossary-2 IEEE 802.1D Specifi es a gen eral meth od for the oper ation of MAC br idges, inclu ding th e Span nin g T re e Prot ocol. IEEE 802.1Q VLAN T agging defi nes Ethernet frame tags which carry VLAN information. It al lows switches to assi gn end-stations to different virtua l LANs , and de fines a stand ard way fo r VLANs to commun icate ac[...]

Glossary-3 Port Trunk Defines network li nk aggregat ion and tr unking st andards whic h specify how to c reate a s ingle high-spee d logical link that combines severa l lower -spee d physical links. Remote Monitoring (RMON) RMON prov ides com prehens ive netwo rk monito ring cap abilit ies. It elimin ates th e polli ng requi red i n standard SNMP [...]

Glossary-4 Trivial File Transfer Protocol (TF TP) A TCP /IP prot ocol com monly us ed for software d ownload s. Virtual LAN (VLAN) A V irtual LAN is a collec tion of netwo rk nodes that share t he same collis ion domain regardle ss of their physic al location or connec tion point i n the networ k. A VLAN se rves as a logi cal workg roup with no phy[...]

Index-1 Numerics 802.1p p ort p riorit y 3- 31 , 4-8 802.1Q VLANs 2-53 , 3-33 , 4-3 802.3x flow control 2-29 , 3-45 A analyzer port configuration 2-41 , 3-48 B baud rate configuration 2-16 , 3-5 BOOTP enabling 2-13 , 3-1 1 for IP configuration 1-4 BPDU 4-2 Bridge Protocol Data Units See BPDU bridge STA information 2-37 , 3-21 Broadcast Storm Contro[...]

I NDEX Index-2 snooping 4-7 in-band connections 1-4 Internet Group Management Protocol See IGMP IP configuration 2-12 , 3-11 L Layer 2 switching 4-1 link aggregation 2-42 , 3-4 9 , 4-9 login configuration 2-21 , 3-15 console interface 2-1 M MAC address of system 2-12 MAC address table, displaying 2-67 , 3-20 management options 1-1 software, SNMP 4-[...]

I NDEX Index-3 STA 4-2 configuration 2-32 , 3-21 , 3-25 statistics port 2-63 , 3-5 2 RMON 2-6 5 , 3-54 switch configuration 2-26 switching, Layer 2 4-1 system information 2-6 , 3-8 T tagged ports 4- 4 VLANs 4-5 TFTP downloads 2-23 , 3-1 7 time-out, console 2-17 , 3-6 traffic classes configuration 2-50 , 3-31 , 4-8 trap managers, configuring 2-20 , [...]

I NDEX Index-4[...]

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