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Table Of Contents
Important Points to Remember...................................................................................................................................830
Configuring Interfaces for Layer 2 Mode.................................................................................................................. 831
Enabling Spanning Tree Protocol Globally................................................................................................................ 832
Adding an Interface to the Spanning Tree Group...................................................................................................833
Modifying Global Parameters.......................................................................................................................................834
Modifying Interface STP Parameters.........................................................................................................................834
Enabling PortFast........................................................................................................................................................... 835
Prevent Network Disruptions with BPDU Guard.............................................................................................. 836
Selecting STP Root........................................................................................................................................................ 838
STP Root Guard.............................................................................................................................................................. 838
Root Guard Scenario................................................................................................................................................ 838
Configuring Root Guard...........................................................................................................................................839
Enabling SNMP Traps for Root Elections and Topology Changes..................................................................... 840
Configuring Spanning Trees as Hitless...................................................................................................................... 840
STP Loop Guard..............................................................................................................................................................840
Configuring Loop Guard........................................................................................................................................... 841
Displaying STP Guard Configuration.......................................................................................................................... 842
Chapter 52: SupportAssist........................................................................................................ 843
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 843
Configuring SupportAssist Manually.......................................................................................................................... 844
Configuring SupportAssist Activity............................................................................................................................ 845
Configuring SupportAssist Company......................................................................................................................... 847
Configuring SupportAssist Person..............................................................................................................................847
Configuring SupportAssist Server.............................................................................................................................. 848
Viewing SupportAssist Configuration........................................................................................................................ 849
Chapter 53: System Time and Date............................................................................................ 851
Network Time Protocol.................................................................................................................................................. 851
Protocol Overview.................................................................................................................................................... 852
Configure the Network Time Protocol.................................................................................................................852
Enabling NTP..............................................................................................................................................................852
Configuring NTP Broadcasts..................................................................................................................................853
Disabling NTP on an Interface............................................................................................................................... 853
Configuring a Source IP Address for NTP Packets.......................................................................................... 853
Configuring NTP Authentication........................................................................................................................... 854
Configuring a Custom-defined Period for NTP time Synchronization.........................................................856
Configuring NTP control key password...............................................................................................................856
Dell EMC Networking OS Time and Date................................................................................................................. 856
Configuration Task List .......................................................................................................................................... 856
Setting the Time and Date for the Switch Software Clock............................................................................857
Setting the Timezone...............................................................................................................................................857
Set Daylight Saving Time........................................................................................................................................ 857
Setting Daylight Saving Time Once...................................................................................................................... 857
Setting Recurring Daylight Saving Time..............................................................................................................858
Chapter 54: Tunneling...............................................................................................................860
Configuring a Tunnel...................................................................................................................................................... 860
Configuring Tunnel Keepalive Settings...................................................................................................................... 861
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