Concept Guide

MIB Support for entAliasMappingTable ..................................................................................................................... 226
Viewing the entAliasMappingTable MIB................................................................................................................226
MIB Support for LAG.....................................................................................................................................................227
Viewing the LAG MIB..............................................................................................................................................228
Transceiver Monitoring..................................................................................................................................................228
19 Stacking...................................................................................................................................................230
Supported Modes..........................................................................................................................................................230
Stacking Aggregators....................................................................................................................................................230
Stack Management Roles........................................................................................................................................231
Stack Master Election............................................................................................................................................. 232
Failover Roles........................................................................................................................................................... 232
MAC Addressing...................................................................................................................................................... 233
Stacking LAG............................................................................................................................................................233
Stacking VLANs....................................................................................................................................................... 233
Stacking Port Numbers.................................................................................................................................................234
Stacking in PMUX Mode.............................................................................................................................................. 234
Conguring a Switch Stack..........................................................................................................................................235
Stacking Prerequisites.............................................................................................................................................235
Master Selection Criteria........................................................................................................................................ 236
Conguring Priority and stack-group....................................................................................................................236
Cabling Stacked Switches.......................................................................................................................................237
Accessing the CLI.................................................................................................................................................... 237
Conguring and Bringing Up a Stack.................................................................................................................... 238
Adding a Stack Unit.................................................................................................................................................238
Resetting a Unit on a Stack....................................................................................................................................239
Removing an Aggregator from a Stack and Restoring Quad Mode.................................................................. 239
Conguring the Uplink Speed of Interfaces as 40 Gigabit Ethernet.......................................................................240
Merging Two Operational Stacks..................................................................................................................................241
Verifying a Stack Conguration.................................................................................................................................... 241
Using Show Commands...........................................................................................................................................241
Troubleshooting a Switch Stack...................................................................................................................................243
Failure Scenarios...................................................................................................................................................... 245
Upgrading a Switch Stack.............................................................................................................................................247
Upgrading a Single Stack Unit......................................................................................................................................248
20 Storm Control.......................................................................................................................................... 249
Congure Storm Control...............................................................................................................................................249
Conguring Storm Control from CONFIGURATION Mode................................................................................ 249
Conguring Storm Control from INTERFACE Mode...........................................................................................250
21 Broadcast Storm Control...........................................................................................................................251
Supported Modes...........................................................................................................................................................251
Disabling Broadcast Storm Control.............................................................................................................................. 251
Displaying Broadcast-Storm Control Status................................................................................................................251
Conguring Storm Control............................................................................................................................................ 251
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