Administrator Guide

Enabling PortFast............................................................................................................................................................938
Prevent Network Disruptions with BPDU Guard.............................................................................................. 939
Selecting STP Root......................................................................................................................................................... 941
STP Root Guard...............................................................................................................................................................941
Root Guard Scenario.................................................................................................................................................941
Configuring Root Guard...........................................................................................................................................942
Enabling SNMP Traps for Root Elections and Topology Changes......................................................................943
Configuring Spanning Trees as Hitless...................................................................................................................... 943
STP Loop Guard..............................................................................................................................................................943
Configuring Loop Guard.......................................................................................................................................... 944
Displaying STP Guard Configuration..........................................................................................................................945
Chapter 56: SupportAssist........................................................................................................ 946
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 946
Configuring SupportAssist Manually...........................................................................................................................947
Configuring SupportAssist Activity............................................................................................................................ 948
Configuring SupportAssist Company......................................................................................................................... 950
Configuring SupportAssist Person............................................................................................................................. 950
Configuring SupportAssist Server...............................................................................................................................951
Viewing SupportAssist Configuration........................................................................................................................ 952
Chapter 57: System Time and Date............................................................................................954
Network Time Protocol................................................................................................................................................. 954
Protocol Overview....................................................................................................................................................955
Configure the Network Time Protocol................................................................................................................ 955
Enabling NTP............................................................................................................................................................. 955
Configuring NTP Broadcasts................................................................................................................................. 956
Disabling NTP on an Interface............................................................................................................................... 956
Configuring a Source IP Address for NTP Packets..........................................................................................956
Configuring NTP Authentication........................................................................................................................... 957
Configuring NTP control key password...............................................................................................................959
Configuring the NTP Step-Threshold.................................................................................................................. 959
Dell EMC Networking OS Time and Date................................................................................................................. 959
Configuration Task List .......................................................................................................................................... 959
Setting the Time and Date for the Switch Software Clock........................................................................... 960
Setting the Timezone...............................................................................................................................................960
Set Daylight Saving Time.........................................................................................................................................961
Setting Daylight Saving Time Once.......................................................................................................................961
Setting Recurring Daylight Saving Time...............................................................................................................961
Chapter 58: Tunneling............................................................................................................... 963
Configuring a Tunnel...................................................................................................................................................... 963
Configuring Tunnel Keepalive Settings......................................................................................................................964
Configuring a Tunnel Interface....................................................................................................................................964
Configuring Tunnel Allow-Remote Decapsulation...................................................................................................965
Configuring the Tunnel Source Anylocal...................................................................................................................965
Chapter 59: Uplink Failure Detection (UFD)...............................................................................967
Feature Description........................................................................................................................................................ 967
Contents
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