Users Guide

Conguring Priority and stack-group....................................................................................................................220
Cabling Stacked Switches.......................................................................................................................................221
Accessing the CLI.....................................................................................................................................................221
Conguring and Bringing Up a Stack.....................................................................................................................221
Adding a Stack Unit.................................................................................................................................................222
Resetting a Unit on a Stack....................................................................................................................................223
Removing an Aggregator from a Stack and Restoring Quad Mode.................................................................. 223
Conguring the Uplink Speed of Interfaces as 40 Gigabit Ethernet....................................................................... 223
Merging Two Operational Stacks.................................................................................................................................225
Verifying a Stack Conguration................................................................................................................................... 225
Using Show Commands..........................................................................................................................................225
Troubleshooting a Switch Stack...................................................................................................................................227
Failure Scenarios...................................................................................................................................................... 228
Upgrading a Switch Stack............................................................................................................................................ 230
Upgrading a Single Stack Unit...................................................................................................................................... 231
20 Storm Control.......................................................................................................................................... 233
Congure Storm Control...............................................................................................................................................233
Conguring Storm Control from CONFIGURATION Mode................................................................................ 233
Conguring Storm Control from INTERFACE Mode...........................................................................................234
21 Broadcast Storm Control..........................................................................................................................235
Supported Modes..........................................................................................................................................................235
Disabling Broadcast Storm Control............................................................................................................................. 235
Displaying Broadcast-Storm Control Status...............................................................................................................235
Conguring Storm Control........................................................................................................................................... 235
22 System Time and Date............................................................................................................................. 236
Supported Modes..........................................................................................................................................................236
Setting the Time for the Software Clock................................................................................................................... 236
Setting the Timezone.................................................................................................................................................... 237
Setting Daylight Savings Time......................................................................................................................................237
Setting Daylight Saving Time Once....................................................................................................................... 237
Setting Recurring Daylight Saving Time............................................................................................................... 238
Conguring the Oset-Threshold for NTP Audit Log............................................................................................... 239
23 Uplink Failure Detection (UFD)................................................................................................................ 240
Supported Modes..........................................................................................................................................................240
Feature Description....................................................................................................................................................... 240
How Uplink Failure Detection Works............................................................................................................................241
UFD and NIC Teaming...................................................................................................................................................242
Important Points to Remember....................................................................................................................................243
Uplink Failure Detection (SMUX mode)...................................................................................................................... 243
Conguring Uplink Failure Detection (PMUX mode).................................................................................................244
Clearing a UFD-Disabled Interface (in PMUX mode)................................................................................................245
Displaying Uplink Failure Detection.............................................................................................................................. 246
Sample Conguration: Uplink Failure Detection.........................................................................................................248
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