Users Guide

Failure and Event Logging....................................................................................................................................... 418
Trace Log................................................................................................................................................................... 418
Core Dumps.............................................................................................................................................................. 419
System Log................................................................................................................................................................419
Control Plane Redundancy............................................................................................................................................419
Control-Plane Failover............................................................................................................................................. 419
RPM Synchronization..............................................................................................................................................420
Forcing an RPM Failover.........................................................................................................................................420
Specifying an Auto-Failover Limit...........................................................................................................................421
Disabling Auto-Reboot............................................................................................................................................. 421
21 Internet Group Management Protocol (IGMP)......................................................................................... 422
IGMP Implementation Information...............................................................................................................................422
IGMP Protocol Overview..............................................................................................................................................422
IGMP Version 2........................................................................................................................................................ 422
IGMP Version 3........................................................................................................................................................ 424
Congure IGMP............................................................................................................................................................. 427
Related Conguration Tasks................................................................................................................................... 427
Viewing IGMP Enabled Interfaces............................................................................................................................... 428
Selecting an IGMP Version........................................................................................................................................... 428
Viewing IGMP Groups...................................................................................................................................................428
Enabling IGMP Immediate-Leave.................................................................................................................................429
IGMP Snooping..............................................................................................................................................................429
IGMP Snooping Implementation Information.......................................................................................................429
Conguring IGMP Snooping...................................................................................................................................429
Removing a Group-Port Association.....................................................................................................................430
Disabling Multicast Flooding....................................................................................................................................431
Specifying a Port as Connected to a Multicast Router....................................................................................... 431
Conguring the Switch as Querier......................................................................................................................... 431
Fast Convergence after MSTP Topology Changes................................................................................................... 432
Designating a Multicast Router Interface................................................................................................................... 432
22 Interfaces................................................................................................................................................ 433
Basic Interface Conguration.......................................................................................................................................433
Advanced Interface Conguration...............................................................................................................................433
Port Numbering............................................................................................................................................................. 434
Interface Types............................................................................................................................................................... 437
View Basic Interface Information................................................................................................................................. 437
Resetting an Interface to its Factory Default State...................................................................................................443
Enabling a Physical Interface........................................................................................................................................444
Physical Interfaces.........................................................................................................................................................444
Port Pipes................................................................................................................................................................. 444
Setting the Speed of Ethernet Interfaces............................................................................................................ 444
Conguration Task List for Physical Interfaces....................................................................................................445
Overview of Layer Modes...................................................................................................................................... 445
Conguring Layer 2 (Data Link) Mode..................................................................................................................446
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Contents