Concept Guide

Conguring Spanning Trees as Hitless........................................................................................................................942
STP Loop Guard.............................................................................................................................................................942
Conguring Loop Guard..........................................................................................................................................944
Displaying STP Guard Conguration........................................................................................................................... 944
54 SupportAssist..........................................................................................................................................946
Conguring SupportAssist Using a Conguration Wizard........................................................................................ 947
Conguring SupportAssist Manually........................................................................................................................... 947
Conguring SupportAssist Activity............................................................................................................................. 949
Conguring SupportAssist Company..........................................................................................................................950
Conguring SupportAssist Person............................................................................................................................... 951
Conguring SupportAssist Server................................................................................................................................951
Viewing SupportAssist Conguration......................................................................................................................... 952
55 System Time and Date.............................................................................................................................954
Network Time Protocol.................................................................................................................................................954
Protocol Overview...................................................................................................................................................955
Congure the Network Time Protocol..................................................................................................................955
Enabling NTP........................................................................................................................................................... 956
Conguring NTP Broadcasts................................................................................................................................. 956
Disabling NTP on an Interface................................................................................................................................957
Conguring a Source IP Address for NTP Packets............................................................................................. 957
Conguring NTP Authentication............................................................................................................................957
Conguring a Custom-dened Period for NTP time Synchronization..............................................................960
Dell EMC Networking OS Time and Date...................................................................................................................960
Conguration Task List .......................................................................................................................................... 960
Setting the Time and Date for the Switch Software Clock............................................................................... 960
Setting the Timezone...............................................................................................................................................961
Set Daylight Saving Time.........................................................................................................................................961
Setting Daylight Saving Time Once........................................................................................................................961
Setting Recurring Daylight Saving Time............................................................................................................... 962
56 Tunneling................................................................................................................................................. 964
Conguring a Tunnel......................................................................................................................................................964
Conguring Tunnel Keepalive Settings....................................................................................................................... 965
Conguring a Tunnel Interface.....................................................................................................................................965
Conguring Tunnel Allow-Remote Decapsulation......................................................................................................966
Conguring Tunnel source anylocal Decapsulation....................................................................................................966
57 Uplink Failure Detection (UFD)................................................................................................................ 968
Feature Description....................................................................................................................................................... 968
How Uplink Failure Detection Works...........................................................................................................................969
UFD and NIC Teaming...................................................................................................................................................970
Important Points to Remember....................................................................................................................................970
Conguring Uplink Failure Detection............................................................................................................................971
Clearing a UFD-Disabled Interface...............................................................................................................................972
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