Users Guide

Enabling SNMP Traps for Root Elections and Topology Changes......................................................................... 832
Configuring Spanning Trees as Hitless....................................................................................................................... 832
STP Loop Guard............................................................................................................................................................ 832
Configuring Loop Guard..........................................................................................................................................834
Displaying STP Guard Configuration...........................................................................................................................834
51 SupportAssist...........................................................................................................................................836
Configuring SupportAssist Using a Configuration Wizard........................................................................................837
Configuring SupportAssist Manually........................................................................................................................... 837
Configuring SupportAssist Activity............................................................................................................................. 839
Configuring SupportAssist Company..........................................................................................................................840
Configuring SupportAssist Person...............................................................................................................................841
Configuring SupportAssist Server................................................................................................................................841
Viewing SupportAssist Configuration......................................................................................................................... 842
52 System Time and Date.............................................................................................................................844
Network Time Protocol.................................................................................................................................................844
Protocol Overview...................................................................................................................................................845
Configure the Network Time Protocol................................................................................................................. 845
Enabling NTP............................................................................................................................................................846
Configuring NTP Broadcasts................................................................................................................................. 846
Disabling NTP on an Interface................................................................................................................................847
Configuring a Source IP Address for NTP Packets.............................................................................................847
Configuring NTP Authentication............................................................................................................................847
Configuring a Custom-defined Period for NTP time Synchronization............................................................. 850
Dell Networking OS Time and Date............................................................................................................................ 850
Configuration Task List ..........................................................................................................................................850
Setting the Time and Date for the Switch Software Clock...............................................................................850
Setting the Timezone.............................................................................................................................................. 851
Set Daylight Saving Time........................................................................................................................................ 851
Setting Daylight Saving Time Once....................................................................................................................... 851
Setting Recurring Daylight Saving Time...............................................................................................................852
53 Tunneling.................................................................................................................................................854
Configuring a Tunnel..................................................................................................................................................... 854
Configuring Tunnel Keepalive Settings.......................................................................................................................855
Configuring a Tunnel Interface.................................................................................................................................... 855
Configuring Tunnel Allow-Remote Decapsulation.....................................................................................................856
Configuring the Tunnel Source Anylocal.................................................................................................................... 856
54 Uplink Failure Detection (UFD)................................................................................................................858
Feature Description.......................................................................................................................................................858
How Uplink Failure Detection Works.......................................................................................................................... 859
UFD and NIC Teaming..................................................................................................................................................860
Important Points to Remember...................................................................................................................................860
Configuring Uplink Failure Detection........................................................................................................................... 861
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