Administrator Guide

Enabling Spanning Tree Protocol Globally................................................................................................................... 921
Adding an Interface to the Spanning Tree Group...................................................................................................... 923
Modifying Global Parameters....................................................................................................................................... 923
Modifying Interface STP Parameters.......................................................................................................................... 924
Enabling PortFast.......................................................................................................................................................... 924
Prevent Network Disruptions with BPDU Guard.................................................................................................925
Selecting STP Root....................................................................................................................................................... 926
STP Root Guard.............................................................................................................................................................927
Root Guard Scenario............................................................................................................................................... 927
Conguring Root Guard..........................................................................................................................................928
Enabling SNMP Traps for Root Elections and Topology Changes...........................................................................929
Conguring Spanning Trees as Hitless........................................................................................................................929
STP Loop Guard.............................................................................................................................................................929
Conguring Loop Guard..........................................................................................................................................930
Displaying STP Guard Conguration............................................................................................................................ 931
55 SupportAssist..........................................................................................................................................932
Conguring SupportAssist Using a Conguration Wizard........................................................................................933
Conguring SupportAssist Manually........................................................................................................................... 933
Conguring SupportAssist Activity............................................................................................................................. 935
Conguring SupportAssist Company..........................................................................................................................936
Conguring SupportAssist Person...............................................................................................................................937
Conguring SupportAssist Server............................................................................................................................... 937
Viewing SupportAssist Conguration..........................................................................................................................938
56 System Time and Date.............................................................................................................................940
Network Time Protocol.................................................................................................................................................940
Protocol Overview....................................................................................................................................................941
Congure the Network Time Protocol...................................................................................................................941
Enabling NTP............................................................................................................................................................942
Conguring NTP Broadcasts..................................................................................................................................942
Disabling NTP on an Interface................................................................................................................................943
Conguring a Source IP Address for NTP Packets............................................................................................. 943
Conguring NTP Authentication............................................................................................................................943
Conguring NTP control key password................................................................................................................ 946
Dell EMC Networking OS Time and Date...................................................................................................................946
Conguration Task List ...........................................................................................................................................946
Setting the Time and Date for the Switch Software Clock............................................................................... 946
Setting the Timezone..............................................................................................................................................947
Set Daylight Saving Time........................................................................................................................................947
Setting Daylight Saving Time Once....................................................................................................................... 947
Setting Recurring Daylight Saving Time............................................................................................................... 948
Conguring a Custom-dened Period for NTP time Synchronization..............................................................949
57 Tunneling................................................................................................................................................. 950
Conguring a Tunnel..................................................................................................................................................... 950
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