3Com 10002211 manual Regional Sales Office Telephone Number 3Com Corporation

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E-4APPENDIX E: TECHNICAL SUPPORT

Support from 3Com If you are unable to receive support from your network supplier, technical support contracts are available from 3Com.

Contact your local 3Com sales ofﬁce to ﬁnd your authorized service provider using one of these numbers:

Regional Sales Office	Telephone Number

3Com Corporation
P.O. Box 58145	800 NET 3Com
5400 Bayfront Plaza
Santa Clara, California
95052-8145
U.S.A.
3Com Asia Limited
Australia	61 2 9937 5000 (Sydney)
Hong Kong	61 3 9866 8022 (Melbourne)
Hong Kong	852 2501 1111
India	91 11 644 3974
Indonesia	62 21 572 2088
Japan	81 6 536 3303 (Osaka)
Korea	81 3 3345 7251 (Tokyo)
Korea	82 2 3455 6300
Malaysia	60 3 732 7910
New Zealand	64 9 366 9138
Philippines	632 892 4476
P.R. of China	8610 68492568 (Beijing)
Singapore	86 21 63501581 (Shanghai)
Singapore	65 538 9368
Taiwan, R.O.C.	886 2 377 5850
Thailand	662 231 8151 5
3Com Austria	43 1 580 17 0
3Com Benelux B.V.
Belgium	32 2 725 0202
Netherlands	31 0346 586211
3Com Canada
Calgary	403 265 3266
Edmonton	403 423 3266
Montreal	514 683 3266
Ottawa	613 566 7055
Toronto	416 498 3266
Vancouver	604 434 3266
3Com France	33 1 69 86 68 00
3Com GmbH
Czech Republic/Slovak	420 2 21845 800
Republic

Regional Sales Office	Telephone Number

3Com GmbH (cont’d)
Germany	49 30 34 98790 (Berlin)
(Central European HQ)	49 89 627320 (Munich)
Hungary	36 1 250 83 41
Poland	48 22 6451351
3Com Iberia
Portugal	351 1 3404505
Spain	34 1 5096900
3Com Latin America
U.S. Headquarters	408 326 2093
Northern Latin America	305 261 3266 (Miami, Florida)
Argentina	541 312 3266
Brazil	55 11 5181 0869
Chile	562 633 9242
Colombia	57 1 629 4847
Mexico	52 5 520 7841/7847
Peru	51 1 221 5399
Venezuela	58 2 953 8122
3Com Mediterraneo
Italy	39 2 253011 (Milan)
	39 6 5279941 (Rome)
3Com Middle East	971 4 349049
3Com Nordic AB
Denmark	45 39 27 85 00
Finland	358 0 435 420 67
Norway	47 22 58 47 00
Sweden	46 8 632 56 00
3Com Russia	007 095 258 09 40
3Com Southern Africa	27 11 807 4397
3Com Switzerland	41 31 996 14 14
3Com Technologies
Ireland	353 1 820 7077
3Com U.K. Ltd.	44 131 240 2900 (Edinburgh)
	44 161 873 7717 (Manchester)
	44 1628 897000 (Marlow)

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Contents CoreBuilder Extended Switching Software Revision October 17 CorebuilderUnited States Government Legends Contents IP Multicast Routing Vlans on the Corebuilder System 3COM Corporation Limited Warranty Overview CoreBuilder 6000 Extended Switching software from 3ComDated May 30 Corebuilder 6000 Extended Switching Software Revision Updating Your System Software Remove diskette #2 using the following command Remove diskette #1 using the following commandRemove diskette #3 using the following command Remove diskette #5 using the following command Remove diskette #4 using the following commandFollowing ﬁles are now in your /usr/lp6000R directory Software on Loading SystemLMM+ \3com\lp6000R\image\lp6000R User DocumentationRevision 8.2.3? What’s New atCorrections implemented at this release To deﬁne an IP interface Enter the number of the Vlan whose interface you are deﬁning AxFDDI axFDDI group AxFDDIHistory axFDDI groupDisplaying Bridge Information To enable Spanning Tree transitions, enterTo disable Spanning Tree transitions, enter System prompts you for slot numbersSample display of bridge port information Revision 8.2.0? Corrections that are implemented at this releaseWhat’s New at Revision 8.2.0? You receive the prompt to select each port’s duplex mode System displays this messageDefault To select the default all, press Return FTP Packet Filter Program Transfers via Snmp ﬁrst telnet session is disconnected and the system displays Sample screen showing the display after the changes What’s New at Revision 8.2.0? Power supply +5-volt input is restored Power supply +5-volt input has failedPower supply +12-volt input has failed This message is immediately overwritten withSystem Issues System nvdata reset System Issues Known Problems New Imports section now looks like thisReceived ftpCommand Quit not completed errno Corebuilder 6000 Extended Switching Software Revision Snmp MIB Files Support for IP routing on the Fddi Switching Module FSM Configurable Source Route hop count limit Efsm LpBridgePortAddressLearnedEvent Corebuilder 6000 Extended Switching Software Revision IP Multicast Routing Following parametersDisabling Dvmrp EnablingDisabling Igmp Multicast Administering IPInterfaces Multicast interface Example multicast interface conﬁguration for the slotDisabling Multicast Interfaces Enabling Multicast InterfacesExample AdministeringMulticast Tunnels Address of the remote multicast routerEnter the Dvmrp metric value of the tunnel Associate a multicast tunnelEnter the IP address of the destination multicast router Enter the Time To Live TTL threshold of the tunnelDisplaying Routes Following display shows all available multicast routes Table A-1describes the ﬁelds in the route displayDisplaying Multicast CacheFollowing display shows the multicast cache conﬁguration Table A-2describes the ﬁelds in the CacheDisplay Remote Monitoring Rmon B Technology CoreBuilder ImplementationSegment being monitored Table B-3 Supported Ethernet and Fddi Frame Size Buckets Rmon Groups Setting Alarm Thresholds Example of an Alarm ThresholdRmon Groups 3Com Transcend Rmon Agents Management Information Base MIB Figure B-3 Example of an Rmon MIB Counter Object Create ﬁrewalls About VLANsCoreBuilder system, VLANs allow you to LocationsAppendix C Vlans on the Corebuilder System Protocol Suite Layer 3 Addressing Information SNAModifying the Default Vlan How CoreBuilder System Makes Flooding DecisionsVlan Exception Flooding Overlapped IP VLANs Routing Between VLANs Administering Vlans Displaying Vlan InformationExample of a summary display for several VLANs Table D-1describes these statistics Traditional Bridge Deﬁning VlanInformation for a As an Efsm or a TMMEnter the subnetwork mask Information for An HSI Switch EngineDeﬁning Vlan Follow these steps to create a Vlan deﬁnition Enter the IP subnet address Enter the subnetwork mask Bridge vlan modify Bridge vlan remove Technical Support Access by Analog Modem Type go threecom Regional Sales Office Telephone Number 3Com Corporation Returning Products for Repair Page 3Com Corporation Limited Warranty Limitation of Liability