Users Guide

Setting the FRRP Timers................................................................................................................................. 269
Clearing the FRRP Counters.......................................................................................................................... 269
Viewing the FRRP Configuration...................................................................................................................269
Viewing the FRRP Information...................................................................................................................... 269
Troubleshooting FRRP.......................................................................................................................................... 270
Configuration Checks..................................................................................................................................... 270
Sample Configuration and Topology.................................................................................................................270
16 GARP VLAN Registration Protocol (GVRP)................................................................................................... 272
Important Points to Remember.......................................................................................................................... 272
Configure GVRP......................................................................................................................................................273
Related Configuration Tasks.......................................................................................................................... 273
Enabling GVRP Globally........................................................................................................................................274
Enabling GVRP on a Layer 2 Interface............................................................................................................... 274
Configure GVRP Registration.............................................................................................................................. 274
Configure a GARP Timer.......................................................................................................................................275
RPM Redundancy................................................................................................................................................... 275
17 High Availability (HA)........................................................................................................................................ 277
Component Redundancy..................................................................................................................................... 277
Automatic and Manual Stack Unit Failover..................................................................................................277
Synchronization between Management and Standby Units...................................................................278
Forcing an Stack Unit Failover....................................................................................................................... 278
Disabling Auto-Reboot....................................................................................................................................279
Manually Synchronizing Management and Standby Units...................................................................... 279
Pre-Configuring a Stack Unit Slot.......................................................................................................................279
Removing a Provisioned Logical Stack Unit.....................................................................................................280
Hitless Behavior......................................................................................................................................................280
Graceful Restart......................................................................................................................................................280
Software Resiliency................................................................................................................................................ 281
Software Component Health Monitoring................................................................................................... 281
System Health Monitoring.............................................................................................................................. 281
Failure and Event Logging.............................................................................................................................. 281
Hot-Lock Behavior................................................................................................................................................ 282
18 Internet Group Management Protocol (IGMP)............................................................................................283
IGMP Implementation Information....................................................................................................................283
IGMP Protocol Overview......................................................................................................................................283
IGMP Version 2................................................................................................................................................. 283
IGMP Version 3................................................................................................................................................. 285
Configure IGMP......................................................................................................................................................287
Related Configuration Tasks..........................................................................................................................288
Viewing IGMP Enabled Interfaces...................................................................................................................... 288
Selecting an IGMP Version...................................................................................................................................288
Viewing IGMP Groups...........................................................................................................................................289
Adjusting Timers.....................................................................................................................................................289
Adjusting Query and Response Timers....................................................................................................... 289
9.10(0.1)
10