3Com 10002211 manual Revision 8.2.0?, Corrections that are implemented at this release

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14COREBUILDER 6000 EXTENDED SWITCHING SOFTWARE REVISION 8.2.3

What’s New at	This section describes the new features, software enhancements, and
Revision 8.2.0?	corrections that are implemented at this release.

New Features The following features have been added at this release.

Fast Ethernet Switching Module (FESM) Support

The Fast Ethernet Switching Module (FESM) provides high-function switching of trafﬁc among Fast Ethernet workstations and subnetworks over the multigigabit high-speed interconnect (HSI) bus of the CoreBuilder 6000 system.

The FESM module has two conﬁgurations:

■Eight 100BASE-TX ports that use RJ-45 connectors

These ports support connections to unshielded twisted pair (UTP) Category 5 media.

■Six 100BASE-FX ports that use SC connectors

These ports support connections to multimode ﬁber media.

The FESM automatically learns the MAC-layer addresses of workstations on attached subnetworks and forwards packets to their appropriate destinations. When used with CoreBuilder Extended Switching software, the FESM also supports routing between attached subnetworks. In addition, the FESM fully complies with the IEEE 802.1d bridging standard.

The FESM requires CoreBuilder 6000 software revision 8.2.0 or greater. This software, in turn, requires that you install one of the following LANswitching Management Module Plus (LMM+) versions in system slot 1:

■Revision 1.21 or greater of the revision 1 LMM+

■Revision 2.12 or greater of the revision 2 LMM+

CAUTION: If you attempt to run CoreBuilder system software 8.2.0 or greater on an earlier revision of the LMM+, the system fails to reboot when you turn it on.

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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 Dated May 30 CoreBuilder 6000 Extended Switching software from 3ComOverview Corebuilder 6000 Extended Switching Software Revision Updating Your System Software Remove diskette #3 using the following command Remove diskette #1 using the following commandRemove diskette #2 using the following command Following ﬁles are now in your /usr/lp6000R directory Remove diskette #4 using the following commandRemove diskette #5 using the following command LMM+ Loading SystemSoftware on \3com\lp6000R\image\lp6000R User DocumentationCorrections implemented at this release What’s New atRevision 8.2.3? To deﬁne an IP interface Enter the number of the Vlan whose interface you are deﬁning AxFDDI axFDDI group AxFDDIHistory axFDDI groupTo enable Spanning Tree transitions, enter To disable Spanning Tree transitions, enterDisplaying Bridge Information 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 has failed Power supply +12-volt input has failedPower supply +5-volt input is restored 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 Igmp EnablingDisabling Dvmrp Interfaces Administering IPMulticast Multicast interface Example multicast interface conﬁguration for the slotDisabling Multicast Interfaces Enabling Multicast InterfacesAdministering Multicast TunnelsExample Address of the remote multicast routerAssociate a multicast tunnel Enter the IP address of the destination multicast routerEnter the Dvmrp metric value of the tunnel 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 About VLANs CoreBuilder system, VLANs allow you toCreate ﬁrewalls 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 Deﬁning Vlan Information for aTraditional Bridge As an Efsm or a TMMDeﬁning Vlan Follow these steps to create a Vlan deﬁnition Information for An HSI Switch EngineEnter the subnetwork mask 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