Administrator Guide

Configuring Loop Guard.............................................................................................................................................. 831
Displaying STP Guard Configuration............................................................................................................................... 831
55 SupportAssist........................................................................................................................ 832
Configuring SupportAssist Using a Configuration Wizard........................................................................................... 832
Configuring SupportAssist Manually...............................................................................................................................833
Configuring SupportAssist Activity.................................................................................................................................834
Configuring SupportAssist Company..............................................................................................................................836
Configuring SupportAssist Person..................................................................................................................................836
Configuring SupportAssist Server...................................................................................................................................837
Viewing SupportAssist Configuration.............................................................................................................................838
56 System Time and Date............................................................................................................ 840
Network Time Protocol.................................................................................................................................................... 840
Protocol Overview....................................................................................................................................................... 841
Configure the Network Time Protocol......................................................................................................................841
Enabling NTP................................................................................................................................................................ 841
Configuring NTP Broadcasts..................................................................................................................................... 842
Disabling NTP on an Interface................................................................................................................................... 842
Configuring a Source IP Address for NTP Packets................................................................................................ 842
Configuring NTP Authentication............................................................................................................................... 843
Configuring NTP control key password................................................................................................................... 845
Configuring the NTP Step-Threshold.......................................................................................................................845
Dell EMC Networking OS Time and Date...................................................................................................................... 845
Configuration Task List ..............................................................................................................................................845
Setting the Time and Date for the Switch Software Clock...................................................................................845
Setting the Timezone................................................................................................................................................. 846
Set Daylight Saving Time........................................................................................................................................... 846
Setting Daylight Saving Time Once.......................................................................................................................... 846
Setting Recurring Daylight Saving Time................................................................................................................... 847
Configuring a Custom-defined Period for NTP time Synchronization................................................................. 848
57 Tunneling...............................................................................................................................849
Configuring a Tunnel.........................................................................................................................................................849
Configuring Tunnel Keepalive Settings.......................................................................................................................... 850
Configuring a Tunnel Interface........................................................................................................................................850
Configuring Tunnel Allow-Remote Decapsulation......................................................................................................... 851
Configuring the Tunnel Source Anylocal.........................................................................................................................851
58 Uplink Failure Detection (UFD)................................................................................................ 852
Feature Description...........................................................................................................................................................852
How Uplink Failure Detection Works.............................................................................................................................. 853
UFD and NIC Teaming......................................................................................................................................................854
Important Points to Remember.......................................................................................................................................854
Configuring Uplink Failure Detection.............................................................................................................................. 855
Clearing a UFD-Disabled Interface..................................................................................................................................856
Displaying Uplink Failure Detection................................................................................................................................. 857
Sample Configuration: Uplink Failure Detection............................................................................................................858
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