Concept Guide

Conguring Loop Guard.......................................................................................................................................... 974
Displaying STP Guard Conguration............................................................................................................................974
54 SupportAssist.......................................................................................................................................... 976
Conguring SupportAssist Using a Conguration Wizard........................................................................................ 977
Conguring SupportAssist Manually............................................................................................................................977
Conguring SupportAssist Activity..............................................................................................................................979
Conguring SupportAssist Company..........................................................................................................................980
Conguring SupportAssist Person............................................................................................................................... 981
Conguring SupportAssist Server................................................................................................................................981
Viewing SupportAssist Conguration..........................................................................................................................982
55 System Time and Date.............................................................................................................................984
Network Time Protocol.................................................................................................................................................984
Protocol Overview...................................................................................................................................................985
Congure the Network Time Protocol..................................................................................................................985
Enabling NTP........................................................................................................................................................... 986
Conguring NTP Broadcasts................................................................................................................................. 986
Disabling NTP on an Interface................................................................................................................................987
Conguring a Source IP Address for NTP Packets............................................................................................. 987
Conguring NTP Authentication............................................................................................................................987
Dell EMC Networking OS Time and Date...................................................................................................................990
Conguration Task List .......................................................................................................................................... 990
Setting the Time and Date for the Switch Software Clock............................................................................... 990
Setting the Timezone..............................................................................................................................................990
Set Daylight Saving Time.........................................................................................................................................991
Setting Daylight Saving Time Once........................................................................................................................991
Setting Recurring Daylight Saving Time............................................................................................................... 992
56 Tunneling................................................................................................................................................. 994
Conguring a Tunnel......................................................................................................................................................994
Conguring Tunnel Keepalive Settings....................................................................................................................... 995
Conguring a Tunnel Interface.....................................................................................................................................995
Conguring Tunnel Allow-Remote Decapsulation......................................................................................................996
Conguring the Tunnel Source Anylocal.....................................................................................................................996
57 Uplink Failure Detection (UFD)................................................................................................................ 998
Feature Description....................................................................................................................................................... 998
How Uplink Failure Detection Works...........................................................................................................................999
UFD and NIC Teaming................................................................................................................................................. 1000
Important Points to Remember..................................................................................................................................1000
Conguring Uplink Failure Detection.......................................................................................................................... 1001
Clearing a UFD-Disabled Interface.............................................................................................................................1002
Displaying Uplink Failure Detection............................................................................................................................ 1003
Sample Conguration: Uplink Failure Detection....................................................................................................... 1005
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