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Modifying Interface STP Parameters..........................................................................................................................953
Enabling PortFast.......................................................................................................................................................... 953
Prevent Network Disruptions with BPDU Guard.................................................................................................954
Selecting STP Root.......................................................................................................................................................956
STP Root Guard.............................................................................................................................................................956
Root Guard Scenario...............................................................................................................................................956
Conguring Root Guard..........................................................................................................................................957
Enabling SNMP Traps for Root Elections and Topology Changes.......................................................................... 958
Conguring Spanning Trees as Hitless........................................................................................................................958
STP Loop Guard............................................................................................................................................................ 958
Conguring Loop Guard..........................................................................................................................................960
Displaying STP Guard Conguration........................................................................................................................... 960
55 SupportAssist..........................................................................................................................................962
Conguring SupportAssist Using a Conguration Wizard........................................................................................963
Conguring SupportAssist Manually........................................................................................................................... 963
Conguring SupportAssist Activity............................................................................................................................. 965
Conguring SupportAssist Company..........................................................................................................................966
Conguring SupportAssist Person...............................................................................................................................967
Conguring SupportAssist Server............................................................................................................................... 967
Viewing SupportAssist Conguration......................................................................................................................... 968
56 System Time and Date.............................................................................................................................970
Network Time Protocol.................................................................................................................................................970
Protocol Overview....................................................................................................................................................971
Congure the Network Time Protocol...................................................................................................................971
Enabling NTP............................................................................................................................................................972
Conguring NTP Broadcasts..................................................................................................................................972
Disabling NTP on an Interface................................................................................................................................973
Conguring a Source IP Address for NTP Packets............................................................................................. 973
Conguring NTP Authentication............................................................................................................................973
Conguring a Custom-dened Period for NTP time Synchronization.............................................................. 976
Dell EMC Networking OS Time and Date................................................................................................................... 976
Conguration Task List ...........................................................................................................................................976
Setting the Time and Date for the Switch Software Clock................................................................................976
Setting the Timezone.............................................................................................................................................. 977
Set Daylight Saving Time........................................................................................................................................ 977
Setting Daylight Saving Time Once....................................................................................................................... 977
Setting Recurring Daylight Saving Time................................................................................................................978
57 Tunneling................................................................................................................................................. 980
Conguring a Tunnel..................................................................................................................................................... 980
Conguring Tunnel Keepalive Settings........................................................................................................................ 981
Conguring a Tunnel Interface......................................................................................................................................981
Conguring Tunnel Allow-Remote Decapsulation......................................................................................................982
Conguring the Tunnel Source Anylocal..................................................................................................................... 982
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