Users Guide

Chapter 19: High Availability (HA).................................................................................................302
Component Redundancy..................................................................................................................................................302
Automatic and Manual Stack Unit Failover..............................................................................................................302
Synchronization between Management and Standby Units................................................................................. 303
Forcing an Stack Unit Failover...................................................................................................................................303
Specifying an Auto-Failover Limit..............................................................................................................................303
Disabling Auto-Reboot................................................................................................................................................304
Manually Synchronizing Management and Standby Units.....................................................................................304
Pre-Configuring a Stack Unit Slot...................................................................................................................................304
Removing a Provisioned Logical Stack Unit.................................................................................................................. 304
Hitless Behavior.................................................................................................................................................................304
Graceful Restart................................................................................................................................................................305
Software Resiliency.......................................................................................................................................................... 305
Software Component Health Monitoring.................................................................................................................305
System Health Monitoring......................................................................................................................................... 305
Failure and Event Logging..........................................................................................................................................305
Hot-Lock Behavior............................................................................................................................................................306
Chapter 20: Internet Group Management Protocol (IGMP)............................................................. 307
IGMP Protocol Overview................................................................................................................................................. 307
IGMP Version 2............................................................................................................................................................307
IGMP Version 3............................................................................................................................................................308
Configure IGMP.................................................................................................................................................................. 311
Viewing IGMP Enabled Interfaces.................................................................................................................................... 311
Selecting an IGMP Version............................................................................................................................................... 312
Viewing IGMP Groups....................................................................................................................................................... 312
Adjusting Timers.................................................................................................................................................................313
Adjusting Query and Response Timers......................................................................................................................313
Preventing a Host from Joining a Group........................................................................................................................ 313
Enabling IGMP Immediate-Leave.....................................................................................................................................315
IGMP Snooping.................................................................................................................................................................. 316
Configuring IGMP Snooping....................................................................................................................................... 316
Removing a Group-Port Association......................................................................................................................... 316
Disabling Multicast Flooding........................................................................................................................................317
Specifying a Port as Connected to a Multicast Router...........................................................................................317
Configuring the Switch as Querier.............................................................................................................................317
Fast Convergence after MSTP Topology Changes...................................................................................................... 318
Egress Interface Selection (EIS) for HTTP and IGMP Applications............................................................................318
Designating a Multicast Router Interface...................................................................................................................... 324
Chapter 21: Interfaces................................................................................................................. 325
Interface Types..................................................................................................................................................................326
View Basic Interface Information.................................................................................................................................... 326
Resetting an Interface to its Factory Default State......................................................................................................327
Enabling a Physical Interface........................................................................................................................................... 328
Physical Interfaces............................................................................................................................................................ 328
Configuration Task List for Physical Interfaces.......................................................................................................329
Overview of Layer Modes..........................................................................................................................................329
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