Administrator Guide

STP Loop Guard.............................................................................................................................................................. 873
Configuring Loop Guard...........................................................................................................................................874
Displaying STP Guard Configuration.......................................................................................................................... 875
Chapter 55: SupportAssist........................................................................................................ 876
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 876
Configuring SupportAssist Manually...........................................................................................................................877
Configuring SupportAssist Activity.............................................................................................................................878
Configuring SupportAssist Company......................................................................................................................... 880
Configuring SupportAssist Person..............................................................................................................................880
Configuring SupportAssist Server............................................................................................................................... 881
Viewing SupportAssist Configuration........................................................................................................................ 882
Chapter 56: System Time and Date............................................................................................884
Network Time Protocol................................................................................................................................................. 884
Protocol Overview.................................................................................................................................................... 885
Configure the Network Time Protocol.................................................................................................................885
Enabling NTP..............................................................................................................................................................885
Configuring NTP Broadcasts..................................................................................................................................886
Disabling NTP on an Interface............................................................................................................................... 886
Configuring a Source IP Address for NTP Packets.......................................................................................... 886
Configuring NTP Authentication........................................................................................................................... 887
Configuring NTP control key password...............................................................................................................889
Configuring the NTP Step-Threshold.................................................................................................................. 889
Dell EMC Networking OS Time and Date..................................................................................................................889
Configuration Task List .......................................................................................................................................... 889
Setting the Time and Date for the Switch Software Clock............................................................................890
Setting the Timezone...............................................................................................................................................890
Set Daylight Saving Time......................................................................................................................................... 891
Setting Daylight Saving Time Once.......................................................................................................................891
Setting Recurring Daylight Saving Time...............................................................................................................891
Configuring a Custom-defined Period for NTP time Synchronization.........................................................892
Chapter 57: Tunneling............................................................................................................... 894
Configuring a Tunnel...................................................................................................................................................... 894
Configuring Tunnel Keepalive Settings......................................................................................................................895
Configuring a Tunnel Interface....................................................................................................................................895
Configuring Tunnel Allow-Remote Decapsulation...................................................................................................896
Configuring the Tunnel Source Anylocal................................................................................................................... 896
Chapter 58: Uplink Failure Detection (UFD)...............................................................................898
Feature Description........................................................................................................................................................ 898
How Uplink Failure Detection Works..........................................................................................................................899
UFD and NIC Teaming................................................................................................................................................... 900
Important Points to Remember...................................................................................................................................900
Configuring Uplink Failure Detection.......................................................................................................................... 901
Clearing a UFD-Disabled Interface............................................................................................................................. 902
Displaying Uplink Failure Detection.............................................................................................................................903
Sample Configuration: Uplink Failure Detection......................................................................................................905
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