Deployment Guide

Table Of Contents
Chapter 52: Spanning Tree Protocol (STP)................................................................................ 881
Protocol Overview...........................................................................................................................................................881
Configure Spanning Tree............................................................................................................................................... 881
Important Points to Remember...................................................................................................................................882
Configuring Interfaces for Layer 2 Mode..................................................................................................................883
Enabling Spanning Tree Protocol Globally................................................................................................................ 884
Adding an Interface to the Spanning Tree Group...................................................................................................885
Modifying Global Parameters.......................................................................................................................................886
Modifying Interface STP Parameters.........................................................................................................................887
Enabling PortFast............................................................................................................................................................887
Prevent Network Disruptions with BPDU Guard.............................................................................................. 888
Selecting STP Root........................................................................................................................................................ 890
STP Root Guard.............................................................................................................................................................. 890
Root Guard Scenario................................................................................................................................................890
Configuring Root Guard........................................................................................................................................... 891
Enabling SNMP Traps for Root Elections and Topology Changes..................................................................... 892
Configuring Spanning Trees as Hitless...................................................................................................................... 892
STP Loop Guard..............................................................................................................................................................892
Configuring Loop Guard.......................................................................................................................................... 893
Displaying STP Guard Configuration.......................................................................................................................... 894
Chapter 53: SupportAssist........................................................................................................ 895
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 895
Configuring SupportAssist Manually.......................................................................................................................... 896
Configuring SupportAssist Activity.............................................................................................................................897
Configuring SupportAssist Company......................................................................................................................... 899
Configuring SupportAssist Person..............................................................................................................................899
Configuring SupportAssist Server.............................................................................................................................. 900
Viewing SupportAssist Configuration......................................................................................................................... 901
Chapter 54: System Time and Date............................................................................................903
Network Time Protocol................................................................................................................................................. 903
Protocol Overview.................................................................................................................................................... 904
Configure the Network Time Protocol................................................................................................................ 904
Enabling NTP..............................................................................................................................................................904
Configuring NTP Broadcasts................................................................................................................................. 905
Disabling NTP on an Interface............................................................................................................................... 905
Configuring a Source IP Address for NTP Packets..........................................................................................905
Configuring NTP Authentication........................................................................................................................... 906
Configuring NTP control key password...............................................................................................................908
Configuring the NTP Step-Threshold.................................................................................................................. 908
Configuring a Custom-defined Period for NTP time Synchronization.........................................................908
Dell EMC Networking OS Time and Date................................................................................................................. 909
Configuration Task List .......................................................................................................................................... 909
Setting the Time and Date for the Switch Software Clock........................................................................... 909
Setting the Timezone...............................................................................................................................................909
Set Daylight Saving Time.........................................................................................................................................910
Setting Daylight Saving Time Once.......................................................................................................................910
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