Concept Guide

Adding an Interface to the Spanning Tree Group.......................................................................................................979
Modifying Global Parameters....................................................................................................................................... 979
Modifying Interface STP Parameters..........................................................................................................................980
Enabling PortFast.......................................................................................................................................................... 980
Prevent Network Disruptions with BPDU Guard..................................................................................................981
Selecting STP Root....................................................................................................................................................... 983
STP Root Guard.............................................................................................................................................................983
Root Guard Scenario............................................................................................................................................... 983
Conguring Root Guard..........................................................................................................................................984
Enabling SNMP Traps for Root Elections and Topology Changes.......................................................................... 985
Conguring Spanning Trees as Hitless........................................................................................................................985
STP Loop Guard............................................................................................................................................................ 985
Conguring Loop Guard.......................................................................................................................................... 987
Displaying STP Guard Conguration............................................................................................................................987
52 SupportAssist..........................................................................................................................................989
Conguring SupportAssist Using a Conguration Wizard........................................................................................990
Conguring SupportAssist Manually...........................................................................................................................990
Conguring SupportAssist Activity............................................................................................................................. 992
Conguring SupportAssist Company..........................................................................................................................993
Conguring SupportAssist Person.............................................................................................................................. 994
Conguring SupportAssist Server...............................................................................................................................994
Viewing SupportAssist Conguration......................................................................................................................... 995
53 System Time and Date............................................................................................................................. 997
Network Time Protocol.................................................................................................................................................997
Protocol Overview...................................................................................................................................................998
Congure the Network Time Protocol..................................................................................................................998
Enabling NTP........................................................................................................................................................... 999
Conguring NTP Broadcasts................................................................................................................................. 999
Disabling NTP on an Interface..............................................................................................................................1000
Conguring a Source IP Address for NTP Packets........................................................................................... 1000
Conguring NTP Authentication..........................................................................................................................1000
Conguring NTP control key password...............................................................................................................1003
Conguring a Custom-dened Period for NTP time Synchronization............................................................ 1003
Dell EMC Networking OS Time and Date................................................................................................................. 1003
Conguration Task List ......................................................................................................................................... 1003
Setting the Time and Date for the Switch Software Clock..............................................................................1003
Setting the Timezone............................................................................................................................................ 1004
Set Daylight Saving Time...................................................................................................................................... 1004
Setting Daylight Saving Time Once..................................................................................................................... 1004
Setting Recurring Daylight Saving Time..............................................................................................................1005
54 Tunneling................................................................................................................................................1007
Conguring a Tunnel.................................................................................................................................................... 1007
Conguring Tunnel Keepalive Settings......................................................................................................................1008
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