Deployment Guide

Table Of Contents
Enabling Spanning Tree Protocol Globally................................................................................................................ 878
Adding an Interface to the Spanning Tree Group................................................................................................... 879
Modifying Global Parameters.......................................................................................................................................880
Modifying Interface STP Parameters......................................................................................................................... 881
Enabling PortFast............................................................................................................................................................ 881
Prevent Network Disruptions with BPDU Guard.............................................................................................. 882
Selecting STP Root........................................................................................................................................................ 884
STP Root Guard.............................................................................................................................................................. 884
Root Guard Scenario................................................................................................................................................ 884
Configuring Root Guard.......................................................................................................................................... 885
Enabling SNMP Traps for Root Elections and Topology Changes..................................................................... 886
Configuring Spanning Trees as Hitless...................................................................................................................... 886
STP Loop Guard..............................................................................................................................................................886
Configuring Loop Guard...........................................................................................................................................887
Displaying STP Guard Configuration.......................................................................................................................... 888
Chapter 52: SupportAssist........................................................................................................ 889
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 889
Configuring SupportAssist Manually.......................................................................................................................... 890
Configuring SupportAssist Activity............................................................................................................................. 891
Configuring SupportAssist Company......................................................................................................................... 893
Configuring SupportAssist Person..............................................................................................................................893
Configuring SupportAssist Server.............................................................................................................................. 894
Viewing SupportAssist Configuration........................................................................................................................ 895
Chapter 53: System Time and Date............................................................................................897
Network Time Protocol................................................................................................................................................. 897
Protocol Overview.................................................................................................................................................... 898
Configure the Network Time Protocol.................................................................................................................898
Enabling NTP..............................................................................................................................................................898
Configuring NTP Broadcasts..................................................................................................................................899
Disabling NTP on an Interface............................................................................................................................... 899
Configuring a Source IP Address for NTP Packets.......................................................................................... 899
Configuring NTP Authentication...........................................................................................................................900
Configuring NTP control key password...............................................................................................................902
Configuring the NTP Step-Threshold.................................................................................................................. 902
Dell EMC Networking OS Time and Date................................................................................................................. 902
Configuration Task List .......................................................................................................................................... 902
Setting the Time and Date for the Switch Software Clock............................................................................903
Setting the Timezone...............................................................................................................................................903
Set Daylight Saving Time........................................................................................................................................ 903
Setting Daylight Saving Time Once......................................................................................................................903
Setting Recurring Daylight Saving Time..............................................................................................................904
Chapter 54: Tunneling...............................................................................................................906
Configuring a Tunnel......................................................................................................................................................906
Configuring Tunnel Keepalive Settings......................................................................................................................907
Configuring a Tunnel Interface.................................................................................................................................... 907
Configuring Tunnel Allow-Remote Decapsulation...................................................................................................908
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