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Table Of Contents
Chapter 52: Spanning Tree Protocol (STP)............................................................................... 800
Protocol Overview..........................................................................................................................................................800
Configure Spanning Tree.............................................................................................................................................. 800
Important Points to Remember....................................................................................................................................801
Configuring Interfaces for Layer 2 Mode..................................................................................................................802
Enabling Spanning Tree Protocol Globally................................................................................................................ 803
Adding an Interface to the Spanning Tree Group...................................................................................................804
Modifying Global Parameters.......................................................................................................................................804
Modifying Interface STP Parameters........................................................................................................................ 805
Enabling PortFast........................................................................................................................................................... 805
Prevent Network Disruptions with BPDU Guard.................................................................................................... 806
Selecting STP Root........................................................................................................................................................ 808
STP Root Guard.............................................................................................................................................................. 808
Root Guard Scenario................................................................................................................................................808
Configuring Root Guard.......................................................................................................................................... 809
Enabling SNMP Traps for Root Elections and Topology Changes...................................................................... 810
STP Loop Guard...............................................................................................................................................................810
Configuring Loop Guard............................................................................................................................................811
Displaying STP Guard Configuration...........................................................................................................................812
Chapter 53: SupportAssist.........................................................................................................813
Configuring SupportAssist Using a Configuration Wizard..................................................................................... 813
Configuring SupportAssist Manually........................................................................................................................... 814
Configuring SupportAssist Activity............................................................................................................................. 815
Configuring SupportAssist Company.......................................................................................................................... 817
Configuring SupportAssist Person...............................................................................................................................817
Configuring SupportAssist Server............................................................................................................................... 818
Viewing SupportAssist Configuration......................................................................................................................... 819
Chapter 54: System Time and Date............................................................................................ 821
Network Time Protocol.................................................................................................................................................. 821
Protocol Overview.................................................................................................................................................... 822
Configure the Network Time Protocol.................................................................................................................822
Enabling NTP..............................................................................................................................................................822
Configuring NTP Broadcasts..................................................................................................................................823
Disabling NTP on an Interface............................................................................................................................... 823
Configuring a Source IP Address for NTP Packets.......................................................................................... 823
Configuring NTP Authentication........................................................................................................................... 824
Configuring a Custom-defined Period for NTP time Synchronization.........................................................826
Dell EMC Networking OS Time and Date..................................................................................................................826
Configuration Task List .......................................................................................................................................... 826
Setting the Time and Date for the Switch Software Clock............................................................................826
Setting the Timezone............................................................................................................................................... 827
Set Daylight Saving Time........................................................................................................................................ 827
Setting Daylight Saving Time Once...................................................................................................................... 827
Setting Recurring Daylight Saving Time..............................................................................................................828
Chapter 55: Tunneling...............................................................................................................830
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