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3Com SUPERSTACK 3 3226 manual

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Table of contents for the manual

  • Page 1

    Par t No. DNA1750-0A AA02 Publi shed A pri l 2004 S UPER S TAC K ® 3 S WI TCH 32 26 AND S WITC H 3250 S OF TWARE V ERSIO N 1.02 R ELEASE N OT ES Rel ated Do cu ment atio n Please use t h ese notes i n conjunction with the fol lowing documents: ■ “ SuperStack 3 S witch 3226 a nd Switch 3250 Ge tting Started Guide ” Part number: DUA1750-0AAA01[...]

  • Page 2

    2 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S O FTWAR E V ERSION 1.0 2 R ELEASE N OTES The softwa re is avai lable in two versions : ■ s3201_0 2.bin — Provides no r mal levels of encryption with keys of up to 56 bi ts in length. ■ s3201_0 2s.bin — Provides higher levels of encryption including 168-bit 3DES and 256-bit AES. The Swit c[...]

  • Page 3

    Err or s a nd Omis sions 3 Data is invalid err or with n o exp lanati on. The new firm ware r etur ns an err or describing the field containing the error and then returns to the page allowing the error t o be c orr ected. Comma nd Line I nterfac e The output of the bridge port summary CLI comma nd has been improved : ■ The stpState fiel d has b e[...]

  • Page 4

    4 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S O FTWAR E V ERSION 1.0 2 R ELEASE N OTES RM ON his to ry st atist i cs and W eb por t his tor y sta tistic s A bug in previous software versions prevented statisti c s being generated f o r the fi rst timing interv al. This has now been fixed. In pr evious software versions the 1 hour statistics [...]

  • Page 5

    Updati ng the Swit ch Software 5 See “Access Con trol Lis ts” in the “Points to Note when using the Switch 3226 an d Swit ch 3250” section of thi s document for further det ai ls. 3Co m Networ k Supe rvisor Dis cover y When using 3Com Netwo rk Supervisor with previous versions o f the software, 3Com Network Supervisor was unable to display [...]

  • Page 6

    6 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S O FTWAR E V ERSION 1.0 2 R ELEASE N OTES 11 Sele c t SoftwareUp grade . 12 Enter the IP address of t h e TF TP server connect ed to the Switch . 13 Enter the up grade fi le name. a The messag e will appear , ' Software Upgrade in progress.....' . b The entir e time the u pgrade i s in p[...]

  • Page 7

    Poi nts to Not e whe n usi ng the Swi tch 3226 and S witch 3250 7 3Com recomm ends that you set in dividual ports that ar e to b e members o f an a ggregat ed link t o the same VLAN me m bershi p . Thi s ensur es communicatio n between all VLANs at all time s. T eln et and Hype rT er min a l Acce s sin g the Command Line Interf ac e via T elnet or [...]

  • Page 8

    8 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S O FTWAR E V ERSION 1.0 2 R ELEASE N OTES No more ports may be added to aggregated link. Y o u should check the configuration of the following items on the physical port ■ port security is di sabled on the port. ■ The VLAN membership of the p ort mat ches that of the aggr egated link ■ LACP [...]

  • Page 9

    Poi nts to Not e whe n usi ng the Swi tch 3226 and S witch 3250 9 This message can be caused by one of the follow ing situa tio ns: ■ if there a re more than14 routes whose next hop is not t h e default gateway . 3Com re com mends reco n f iguring the network so that the upli n k from the Switch goes directly to another layer 3 router which is c [...]

  • Page 10

    10 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S O FTWAR E V ERSION 1.0 2 R ELEASE N OTES ■ The ACL whic h is being bound h as mor e rules than can be a ccomm odated by th e hardware. The number rules availa ble depend s on the port type : ■ 10/100 Ports - At least 15 rul es per port ■ 10/100/1000 Ports - Maximum of 2 rules per port. ■[...]

  • Page 11

    Poi nts to Not e whe n usi ng the Swi tch 3226 and S witch 3250 11 minimum sampli ng period o f 10 seco nds a nd a minimum hysteresi s of 20%. SS H Manage ment ■ The SSH serv er in the unit will reject all connection requests unless the unit has a SSH host key . This host key may be generated using the Security > De vice > S SH > Server [...]

  • Page 12

    12 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S O FTWAR E V ERSION 1.0 2 R ELEASE N OTES default gateway setting to be l ost. Y ou s hould always check the IP addr ess an d r oute configuration when restoring the configuration on another unit. IGM P Disabling IGM P when there a re hosts subscribing to mu lticast IP stream s may p revent clie [...]

  • Page 13

    Poi nts to Not e whe n usi ng the Swi tch 3226 and S witch 3250 13 Comb ination Ports ■ The two 10/100/1000 ports are combination ports. When an SFP module is inserted it ha s priority over the 10/100/1000 port of the same number . The corr esponding 10/100/1000 port is disabled. The combination p orts are numbered 25-26 o n the Switch 32 26 and [...]

  • Page 14

    14 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S O FTWAR E V ERSION 1.0 2 R ELEASE N OTES Known Inter o pera b ility Iss ues ■ An in co mpa tibil ity exist s wh en ch ang ing link spe ed from 10 Mbps half duplex to 100 Mbps ha lf duplex. If a uto -negotiation on t he Switch is disabled a nd the link s peed on the Sw itch is changed fr om 10 [...]