Deployment Guide

Troubleshooting a Switch Stack...................................................................................................................................254
Failure Scenarios......................................................................................................................................................256
Upgrading a Switch Stack............................................................................................................................................ 258
Upgrading a Single Stack Unit..................................................................................................................................... 259
20 Storm Control..........................................................................................................................................260
Congure Storm Control...............................................................................................................................................260
Conguring Storm Control from CONFIGURATION Mode................................................................................260
Conguring Storm Control from INTERFACE Mode............................................................................................261
21 Broadcast Storm Control..........................................................................................................................262
Supported Modes..........................................................................................................................................................262
Disabling Broadcast Storm Control..............................................................................................................................262
Displaying Broadcast-Storm Control Status...............................................................................................................262
Conguring Storm Control........................................................................................................................................... 262
22 SupportAssist.......................................................................................................................................... 263
Conguring SupportAssist Using a Conguration Wizard........................................................................................ 264
Conguring SupportAssist Manually........................................................................................................................... 264
Conguring SupportAssist Activity............................................................................................................................. 266
Conguring SupportAssist Company.......................................................................................................................... 267
Conguring SupportAssist Person.............................................................................................................................. 268
Conguring SupportAssist Server...............................................................................................................................268
Viewing SupportAssist Conguration..........................................................................................................................269
23 System Time and Date..............................................................................................................................271
Supported Modes...........................................................................................................................................................271
Setting the Time for the Software Clock.................................................................................................................... 271
Setting the Timezone.................................................................................................................................................... 272
Setting Daylight Savings Time......................................................................................................................................272
Setting Daylight Saving Time Once....................................................................................................................... 272
Setting Recurring Daylight Saving Time................................................................................................................273
Conguring the Oset-Threshold for NTP Audit Log................................................................................................274
24 Uplink Failure Detection (UFD).................................................................................................................275
Supported Modes.......................................................................................................................................................... 275
Feature Description....................................................................................................................................................... 275
How Uplink Failure Detection Works........................................................................................................................... 276
UFD and NIC Teaming................................................................................................................................................... 277
Important Points to Remember....................................................................................................................................278
Uplink Failure Detection (SMUX mode)...................................................................................................................... 278
Conguring Uplink Failure Detection (PMUX mode).................................................................................................279
Clearing a UFD-Disabled Interface (in PMUX mode)................................................................................................280
Displaying Uplink Failure Detection...............................................................................................................................281
Sample Conguration: Uplink Failure Detection.........................................................................................................283
Contents
11