Install Guide

Table Of Contents
Enabling PortFast........................................................................................................................................................... 929
Prevent Network Disruptions with BPDU Guard.............................................................................................. 930
Selecting STP Root........................................................................................................................................................ 932
STP Root Guard.............................................................................................................................................................. 932
Root Guard Scenario................................................................................................................................................ 932
Configuring Root Guard...........................................................................................................................................933
Enabling SNMP Traps for Root Elections and Topology Changes..................................................................... 934
Configuring Spanning Trees as Hitless...................................................................................................................... 934
STP Loop Guard..............................................................................................................................................................934
Configuring Loop Guard.......................................................................................................................................... 935
Displaying STP Guard Configuration.......................................................................................................................... 936
Chapter 56: SupportAssist........................................................................................................ 937
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 937
Configuring SupportAssist Manually.......................................................................................................................... 938
Configuring SupportAssist Activity............................................................................................................................ 939
Configuring SupportAssist Company.......................................................................................................................... 941
Configuring SupportAssist Person.............................................................................................................................. 941
Configuring SupportAssist Server.............................................................................................................................. 942
Viewing SupportAssist Configuration........................................................................................................................ 943
Chapter 57: System Time and Date............................................................................................945
Network Time Protocol................................................................................................................................................. 945
Protocol Overview.................................................................................................................................................... 946
Configure the Network Time Protocol.................................................................................................................946
Enabling NTP..............................................................................................................................................................946
Configuring NTP Broadcasts..................................................................................................................................947
Disabling NTP on an Interface................................................................................................................................947
Configuring a Source IP Address for NTP Packets.......................................................................................... 947
Configuring NTP Authentication........................................................................................................................... 948
Configuring NTP control key password...............................................................................................................950
Dell EMC Networking OS Time and Date................................................................................................................. 950
Configuration Task List .......................................................................................................................................... 950
Setting the Time and Date for the Switch Software Clock........................................................................... 950
Setting the Timezone............................................................................................................................................... 951
Set Daylight Saving Time.........................................................................................................................................951
Setting Daylight Saving Time Once.......................................................................................................................951
Setting Recurring Daylight Saving Time..............................................................................................................952
Chapter 58: Tunneling...............................................................................................................954
Configuring a Tunnel...................................................................................................................................................... 954
Configuring Tunnel Keepalive Settings......................................................................................................................955
Configuring a Tunnel Interface....................................................................................................................................955
Configuring Tunnel Allow-Remote Decapsulation...................................................................................................956
Configuring the Tunnel Source Anylocal...................................................................................................................956
Chapter 59: Uplink Failure Detection (UFD).............................................................................. 958
Feature Description........................................................................................................................................................958
How Uplink Failure Detection Works......................................................................................................................... 959
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