Users Guide

Configuring Spanning Trees as Hitless....................................................................................................................... 859
STP Loop Guard............................................................................................................................................................ 859
Configuring Loop Guard.......................................................................................................................................... 861
Displaying STP Guard Configuration............................................................................................................................861
50 SupportAssist..........................................................................................................................................863
Configuring SupportAssist Using a Configuration Wizard........................................................................................864
Configuring SupportAssist Manually........................................................................................................................... 864
Configuring SupportAssist Activity............................................................................................................................. 866
Configuring SupportAssist Company..........................................................................................................................867
Configuring SupportAssist Person.............................................................................................................................. 868
Configuring SupportAssist Server...............................................................................................................................868
Viewing SupportAssist Configuration......................................................................................................................... 869
51 System Time and Date.............................................................................................................................. 871
Network Time Protocol................................................................................................................................................. 871
Protocol Overview...................................................................................................................................................872
Configure the Network Time Protocol..................................................................................................................872
Enabling NTP............................................................................................................................................................873
Configuring NTP Broadcasts..................................................................................................................................873
Disabling NTP on an Interface................................................................................................................................874
Configuring a Source IP Address for NTP Packets.............................................................................................874
Configuring NTP Authentication............................................................................................................................874
Configuring a Custom-defined Period for NTP time Synchronization..............................................................877
Dell Networking OS Time and Date.............................................................................................................................877
Configuration Task List .......................................................................................................................................... 877
Setting the Time and Date for the Switch Software Clock............................................................................... 877
Setting the Timezone..............................................................................................................................................878
Set Daylight Saving Time........................................................................................................................................878
Setting Daylight Saving Time Once.......................................................................................................................878
Setting Recurring Daylight Saving Time............................................................................................................... 879
52 Tunneling................................................................................................................................................. 881
Configuring a Tunnel......................................................................................................................................................881
Configuring Tunnel Keepalive Settings.......................................................................................................................882
Configuring a Tunnel Interface.................................................................................................................................... 883
Configuring Tunnel Allow-Remote Decapsulation.....................................................................................................883
Configuring Tunnel source anylocal Decapsulation...................................................................................................884
Guidelines for Configuring Multipoint Receive-Only Tunnels.................................................................................. 884
Multipoint Receive-Only Tunnels.................................................................................................................................884
53 Uplink Failure Detection (UFD)................................................................................................................885
Feature Description.......................................................................................................................................................885
How Uplink Failure Detection Works.......................................................................................................................... 886
UFD and NIC Teaming.................................................................................................................................................. 887
Important Points to Remember................................................................................................................................... 887
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