Concept Guide

Conguring Storm Control from INTERFACE Mode......................................................................................... 1006
Conguring Storm Control from CONFIGURATION Mode...............................................................................1007
56 Spanning Tree Protocol (STP)................................................................................................................1008
Protocol Overview....................................................................................................................................................... 1008
Congure Spanning Tree.............................................................................................................................................1009
Related Conguration Tasks................................................................................................................................. 1009
Important Points to Remember..................................................................................................................................1009
Conguring Interfaces for Layer 2 Mode...................................................................................................................1010
Enabling Spanning Tree Protocol Globally...................................................................................................................1011
Adding an Interface to the Spanning Tree Group......................................................................................................1013
Modifying Global Parameters...................................................................................................................................... 1013
Modifying Interface STP Parameters......................................................................................................................... 1014
Enabling PortFast..........................................................................................................................................................1014
Prevent Network Disruptions with BPDU Guard................................................................................................1015
Selecting STP Root.......................................................................................................................................................1017
STP Root Guard............................................................................................................................................................ 1017
Root Guard Scenario.............................................................................................................................................. 1017
Conguring Root Guard......................................................................................................................................... 1018
Enabling SNMP Traps for Root Elections and Topology Changes..........................................................................1019
Conguring Spanning Trees as Hitless....................................................................................................................... 1019
STP Loop Guard............................................................................................................................................................1019
Conguring Loop Guard......................................................................................................................................... 1021
Displaying STP Guard Conguration...........................................................................................................................1021
57 SupportAssist.........................................................................................................................................1023
Conguring SupportAssist Using a Conguration Wizard.......................................................................................1024
Conguring SupportAssist Manually..........................................................................................................................1024
Conguring SupportAssist Activity............................................................................................................................1026
Conguring SupportAssist Company.........................................................................................................................1027
Conguring SupportAssist Person.............................................................................................................................1028
Conguring SupportAssist Server..............................................................................................................................1028
Viewing SupportAssist Conguration........................................................................................................................1029
58 System Time and Date............................................................................................................................ 1031
Network Time Protocol................................................................................................................................................ 1031
Protocol Overview..................................................................................................................................................1032
Congure the Network Time Protocol................................................................................................................ 1032
Enabling NTP.......................................................................................................................................................... 1033
Conguring NTP Broadcasts................................................................................................................................1033
Disabling NTP on an Interface.............................................................................................................................. 1034
Conguring a Source IP Address for NTP Packets............................................................................................1034
Conguring NTP Authentication.......................................................................................................................... 1034
Conguring NTP control key password............................................................................................................... 1037
Conguring a Custom-dened Period for NTP time Synchronization.............................................................1037
Dell EMC Networking OS Time and Date..................................................................................................................1037
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