White Papers

Table Of Contents
Recover from a Card Problem State on a Stack...............................................................................................933
Chapter 55: Storm Control........................................................................................................ 934
Configure Storm Control...............................................................................................................................................934
Configuring Storm Control from INTERFACE Mode........................................................................................934
Configuring Storm Control from CONFIGURATION Mode.............................................................................935
Chapter 56: Spanning Tree Protocol (STP)............................................................................... 936
Protocol Overview..........................................................................................................................................................936
Configure Spanning Tree.............................................................................................................................................. 936
Important Points to Remember................................................................................................................................... 937
Configuring Interfaces for Layer 2 Mode..................................................................................................................938
Enabling Spanning Tree Protocol Globally................................................................................................................ 939
Adding an Interface to the Spanning Tree Group...................................................................................................940
Modifying Global Parameters........................................................................................................................................941
Modifying Interface STP Parameters.........................................................................................................................942
Enabling PortFast............................................................................................................................................................942
Prevent Network Disruptions with BPDU Guard.............................................................................................. 943
Selecting STP Root........................................................................................................................................................ 945
STP Root Guard.............................................................................................................................................................. 945
Root Guard Scenario................................................................................................................................................945
Configuring Root Guard.......................................................................................................................................... 946
Enabling SNMP Traps for Root Elections and Topology Changes......................................................................947
Configuring Spanning Trees as Hitless...................................................................................................................... 947
STP Loop Guard.............................................................................................................................................................. 947
Configuring Loop Guard.......................................................................................................................................... 948
Displaying STP Guard Configuration.......................................................................................................................... 949
Chapter 57: SupportAssist........................................................................................................ 950
Configuring SupportAssist Using a Configuration Wizard.................................................................................... 950
Configuring SupportAssist Manually...........................................................................................................................951
Configuring SupportAssist Activity............................................................................................................................ 952
Configuring SupportAssist Company......................................................................................................................... 954
Configuring SupportAssist Person..............................................................................................................................954
Configuring SupportAssist Server.............................................................................................................................. 955
Viewing SupportAssist Configuration........................................................................................................................ 956
Chapter 58: System Time and Date........................................................................................... 958
Network Time Protocol................................................................................................................................................. 958
Protocol Overview....................................................................................................................................................959
Configure the Network Time Protocol................................................................................................................ 959
Enabling NTP............................................................................................................................................................. 959
Configuring NTP Broadcasts................................................................................................................................. 960
Disabling NTP on an Interface............................................................................................................................... 960
Configuring a Source IP Address for NTP Packets..........................................................................................960
Configuring NTP Authentication............................................................................................................................ 961
Configuring NTP control key password...............................................................................................................963
Configuring a Custom-defined Period for NTP time Synchronization.........................................................963
Dell EMC Networking OS Time and Date................................................................................................................. 963
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