Administrator Guide

18 Broadcast Storm Control........................................................................................... 202
Supported Modes.......................................................................................................................................................... 202
Disabling Broadcast Storm Control.................................................................................................................................202
Displaying Broadcast-Storm Control Status................................................................................................................... 202
Conguring Storm Control............................................................................................................................................. 202
19 System Time and Date............................................................................................... 203
Supported Modes.......................................................................................................................................................... 203
Setting the Time for the Software Clock........................................................................................................................203
Setting the Timezone.....................................................................................................................................................203
Setting Daylight Savings Time........................................................................................................................................204
Setting Daylight Saving Time Once..........................................................................................................................204
Setting Recurring Daylight Saving Time................................................................................................................... 204
20 Uplink Failure Detection (UFD)..................................................................................206
Supported Modes.......................................................................................................................................................... 206
Feature Description........................................................................................................................................................206
How Uplink Failure Detection Works...............................................................................................................................207
UFD and NIC Teaming....................................................................................................................................................208
Important Points to Remember......................................................................................................................................209
Uplink Failure Detection (SMUX mode)..........................................................................................................................209
Conguring Uplink Failure Detection (PMUX mode)....................................................................................................... 210
Clearing a UFD-Disabled Interface (in PMUX mode)....................................................................................................... 211
Displaying Uplink Failure Detection..................................................................................................................................212
Sample Conguration: Uplink Failure Detection...............................................................................................................214
21 PMUX Mode of the IO Aggregator............................................................................. 216
I/O Aggregator (IOA) Programmable MUX (PMUX) Mode.............................................................................................216
Conguring and Changing to PMUX Mode.....................................................................................................................216
Conguring the Commands without a Separate User Account....................................................................................... 217
Virtual Link Trunking (VLT)..............................................................................................................................................217
Overview...................................................................................................................................................................217
Setting up VLT..........................................................................................................................................................218
Virtual Link Trunking (VLT) in PMUX Mode...............................................................................................................219
VLT Terminology....................................................................................................................................................... 221
Congure Virtual Link Trunking................................................................................................................................. 221
Verifying a VLT Conguration...................................................................................................................................225
Additional VLT Sample Congurations......................................................................................................................228
Troubleshooting VLT.................................................................................................................................................229
22 FC Flex IO Modules....................................................................................................231
FC Flex IO Modules.........................................................................................................................................................231
Understanding and Working of the FC Flex IO Modules..................................................................................................231
FC Flex IO Modules Overview...................................................................................................................................231
FC Flex IO Module Capabilities and Operations........................................................................................................ 232
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