Administrator Guide

Displaying STP Guard Conguration........................................................................................................................... 905
54 SupportAssist.......................................................................................................................................... 907
Conguring SupportAssist Using a Conguration Wizard........................................................................................908
Conguring SupportAssist Manually...........................................................................................................................908
Conguring SupportAssist Activity.............................................................................................................................. 910
Conguring SupportAssist Company............................................................................................................................911
Conguring SupportAssist Person............................................................................................................................... 912
Conguring SupportAssist Server................................................................................................................................912
Viewing SupportAssist Conguration.......................................................................................................................... 913
55 System Time and Date............................................................................................................................. 915
Network Time Protocol................................................................................................................................................. 915
Protocol Overview....................................................................................................................................................916
Congure the Network Time Protocol...................................................................................................................916
Enabling NTP............................................................................................................................................................ 917
Conguring NTP Broadcasts.................................................................................................................................. 917
Disabling NTP on an Interface................................................................................................................................ 918
Conguring a Source IP Address for NTP Packets..............................................................................................918
Conguring NTP Authentication............................................................................................................................ 918
Conguring a Custom-dened Period for NTP time Synchronization...............................................................921
Dell Networking OS Time and Date..............................................................................................................................921
Conguration Task List ........................................................................................................................................... 921
Setting the Time and Date for the Switch Software Clock................................................................................ 921
Setting the Timezone..............................................................................................................................................922
Set Daylight Saving Time........................................................................................................................................922
Setting Daylight Saving Time Once.......................................................................................................................922
Setting Recurring Daylight Saving Time............................................................................................................... 923
56 Tunneling................................................................................................................................................. 925
Conguring a Tunnel......................................................................................................................................................925
Conguring Tunnel Keepalive Settings........................................................................................................................926
Conguring a Tunnel Interface.....................................................................................................................................926
Conguring Tunnel Allow-Remote Decapsulation......................................................................................................927
Conguring Tunnel source anylocal Decapsulation....................................................................................................927
57 Uplink Failure Detection (UFD)................................................................................................................ 929
Feature Description....................................................................................................................................................... 929
How Uplink Failure Detection Works...........................................................................................................................930
UFD and NIC Teaming....................................................................................................................................................931
Important Points to Remember.................................................................................................................................... 931
Conguring Uplink Failure Detection...........................................................................................................................932
Clearing a UFD-Disabled Interface.............................................................................................................................. 933
Displaying Uplink Failure Detection.............................................................................................................................. 934
Sample Conguration: Uplink Failure Detection.........................................................................................................936
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