Setup Guide

Congure Spanning Tree...............................................................................................................................................937
Related Conguration Tasks................................................................................................................................... 937
Important Points to Remember....................................................................................................................................937
Conguring Interfaces for Layer 2 Mode....................................................................................................................938
Enabling Spanning Tree Protocol Globally...................................................................................................................939
Adding an Interface to the Spanning Tree Group.......................................................................................................941
Modifying Global Parameters........................................................................................................................................941
Modifying Interface STP Parameters..........................................................................................................................942
Enabling PortFast.......................................................................................................................................................... 942
Prevent Network Disruptions with BPDU Guard.................................................................................................943
Selecting STP Root....................................................................................................................................................... 944
STP Root Guard.............................................................................................................................................................945
Root Guard Scenario...............................................................................................................................................945
Conguring Root Guard..........................................................................................................................................946
Enabling SNMP Traps for Root Elections and Topology Changes...........................................................................947
Conguring Spanning Trees as Hitless........................................................................................................................ 947
STP Loop Guard.............................................................................................................................................................947
Conguring Loop Guard..........................................................................................................................................948
Displaying STP Guard Conguration........................................................................................................................... 949
55 SupportAssist..........................................................................................................................................950
Conguring SupportAssist Using a Conguration Wizard.........................................................................................951
Conguring SupportAssist Manually............................................................................................................................951
Conguring SupportAssist Activity............................................................................................................................. 953
Conguring SupportAssist Company..........................................................................................................................954
Conguring SupportAssist Person.............................................................................................................................. 955
Conguring SupportAssist Server...............................................................................................................................955
Viewing SupportAssist Conguration......................................................................................................................... 956
56 System Time and Date.............................................................................................................................958
Network Time Protocol.................................................................................................................................................958
Protocol Overview...................................................................................................................................................959
Congure the Network Time Protocol..................................................................................................................959
Enabling NTP........................................................................................................................................................... 960
Conguring NTP Broadcasts................................................................................................................................. 960
Disabling NTP on an Interface................................................................................................................................ 961
Conguring a Source IP Address for NTP Packets..............................................................................................961
Conguring NTP Authentication............................................................................................................................ 961
Conguring NTP control key password................................................................................................................ 964
Dell EMC Networking OS Time and Date...................................................................................................................964
Conguration Task List ...........................................................................................................................................964
Setting the Time and Date for the Switch Software Clock............................................................................... 964
Setting the Timezone..............................................................................................................................................965
Set Daylight Saving Time........................................................................................................................................965
Setting Daylight Saving Time Once.......................................................................................................................965
Setting Recurring Daylight Saving Time............................................................................................................... 966
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