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Table Of Contents
Chapter 52: Spanning Tree Protocol (STP)............................................................................... 880
Protocol Overview..........................................................................................................................................................880
Configure Spanning Tree.............................................................................................................................................. 880
Important Points to Remember....................................................................................................................................881
Configuring Interfaces for Layer 2 Mode..................................................................................................................882
Enabling Spanning Tree Protocol Globally................................................................................................................ 883
Adding an Interface to the Spanning Tree Group...................................................................................................884
Modifying Global Parameters.......................................................................................................................................885
Modifying Interface STP Parameters........................................................................................................................ 886
Enabling PortFast........................................................................................................................................................... 886
Prevent Network Disruptions with BPDU Guard...............................................................................................887
Selecting STP Root........................................................................................................................................................ 889
STP Root Guard.............................................................................................................................................................. 889
Root Guard Scenario................................................................................................................................................889
Configuring Root Guard.......................................................................................................................................... 890
Enabling SNMP Traps for Root Elections and Topology Changes...................................................................... 891
Configuring Spanning Trees as Hitless.......................................................................................................................891
STP Loop Guard...............................................................................................................................................................891
Configuring Loop Guard.......................................................................................................................................... 892
Displaying STP Guard Configuration.......................................................................................................................... 893
Chapter 53: SupportAssist........................................................................................................ 894
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 894
Configuring SupportAssist Manually.......................................................................................................................... 895
Configuring SupportAssist Activity............................................................................................................................ 896
Configuring SupportAssist Company......................................................................................................................... 898
Configuring SupportAssist Person..............................................................................................................................898
Configuring SupportAssist Server.............................................................................................................................. 899
Viewing SupportAssist Configuration........................................................................................................................ 900
Chapter 54: System Time and Date............................................................................................902
Network Time Protocol................................................................................................................................................. 902
Protocol Overview.................................................................................................................................................... 903
Configure the Network Time Protocol................................................................................................................ 903
Enabling NTP..............................................................................................................................................................903
Configuring NTP Broadcasts..................................................................................................................................904
Disabling NTP on an Interface............................................................................................................................... 904
Configuring a Source IP Address for NTP Packets.......................................................................................... 904
Configuring NTP Authentication...........................................................................................................................905
Configuring NTP control key password...............................................................................................................907
Configuring a Custom-defined Period for NTP time Synchronization......................................................... 907
Dell EMC Networking OS Time and Date..................................................................................................................907
Configuration Task List ...........................................................................................................................................907
Setting the Time and Date for the Switch Software Clock........................................................................... 908
Setting the Timezone...............................................................................................................................................908
Set Daylight Saving Time........................................................................................................................................ 908
Setting Daylight Saving Time Once......................................................................................................................908
Setting Recurring Daylight Saving Time..............................................................................................................909
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