3Com 10002211 manual Technical Support

Page 79

E

TECHNICAL SUPPORT

 

3Com provides easy access to technical support information through a

 

variety of services. This appendix describes these services.

 

Information contained in this appendix is correct at time of publication.

 

For the very latest, we recommend that you access 3Com Corporation’s

 

World Wide Web site.

 

 

Online Technical

3Com offers worldwide product support 24 hours a day, 7 days a week,

Services

through the following online systems:

 

■ World Wide Web site

 

■ 3Com Bulletin Board Service (3ComBBS)

 

■ 3ComFactsSM automated fax service

 

■ 3ComForum on CompuServe online service

World Wide Web Site

Access the latest networking information on 3Com Corporation’s World

 

Wide Web site by entering our URL into your Internet browser:

 

http://www.3com.com/

 

This service features the latest information about 3Com solutions and

 

technologies, customer service and support, news about the company,

 

Net Age® Magazine, technical documentation, and more.

3Com Bulletin Board

3ComBBS contains patches, software, and drivers for all 3Com products,

Service

as well as technical articles. This service is available through analog

 

modem or digital modem (ISDN) 24 hours a day, 7 days a week.

Page 78 Page 80
Image 79
Page 78 Page 80
Contents Corebuilder CoreBuilder Extended Switching Software Revision October 17United 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 Documentation UserRevision 8.2.3? What’s New atCorrections implemented at this release To define an IP interface AxFDDI axFDDI group AxFDDIHistory axFDDI group Enter the number of the Vlan whose interface you are definingSystem prompts you for slot numbers To enable Spanning Tree transitions, enterTo disable Spanning Tree transitions, enter Displaying Bridge InformationSample display of bridge port information Corrections that are implemented at this release Revision 8.2.0?What’s New at Revision 8.2.0? System displays this message You receive the prompt to select each port’s duplex modeDefault 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? This message is immediately overwritten with Power supply +5-volt input has failedPower supply +12-volt input has failed Power supply +5-volt input is restoredSystem Issues System nvdata reset System Issues New Imports section now looks like this Known ProblemsReceived 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 Following parameters IP Multicast RoutingDisabling Dvmrp EnablingDisabling Igmp Multicast Administering IPInterfaces Example multicast interface configuration for the slot Multicast interfaceEnabling Multicast Interfaces Disabling Multicast InterfacesAddress of the remote multicast router AdministeringMulticast Tunnels ExampleEnter the Time To Live TTL threshold of the tunnel Associate a multicast tunnelEnter the IP address of the destination multicast router Enter the Dvmrp metric value of the tunnelDisplaying Routes Table A-1describes the fields in the route display Following display shows all available multicast routesMulticast Cache DisplayingFollowing display shows the multicast cache configuration Table A-2describes the fields in the CacheDisplay Remote Monitoring Rmon B Technology Implementation CoreBuilderSegment being monitored Table B-3 Supported Ethernet and Fddi Frame Size Buckets Rmon Groups Example of an Alarm Threshold Setting Alarm ThresholdsRmon Groups 3Com Transcend Rmon Agents Management Information Base MIB Figure B-3 Example of an Rmon MIB Counter Object Locations About VLANsCoreBuilder system, VLANs allow you to Create firewallsAppendix C Vlans on the Corebuilder System Protocol Suite SNA Layer 3 Addressing InformationHow CoreBuilder System Makes Flooding Decisions Modifying the Default VlanVlan Exception Flooding Overlapped IP VLANs Routing Between VLANs Displaying Vlan Information Administering VlansExample of a summary display for several VLANs Table D-1describes these statistics As an Efsm or a TMM Defining VlanInformation for a Traditional BridgeEnter 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
Top Page Image Contents