Users Guide

Displaying STP Guard Configuration............................................................................................................................921
54 SupportAssist..........................................................................................................................................923
Configuring SupportAssist Using a Configuration Wizard........................................................................................924
Configuring SupportAssist Manually........................................................................................................................... 924
Configuring SupportAssist Activity............................................................................................................................. 926
Configuring SupportAssist Company.......................................................................................................................... 927
Configuring SupportAssist Person.............................................................................................................................. 928
Configuring SupportAssist Server...............................................................................................................................928
Viewing SupportAssist Configuration......................................................................................................................... 929
55 System Time and Date............................................................................................................................. 931
Network Time Protocol................................................................................................................................................. 931
Protocol Overview...................................................................................................................................................932
Configure the Network Time Protocol................................................................................................................. 932
Enabling NTP............................................................................................................................................................933
Configuring NTP Broadcasts................................................................................................................................. 933
Disabling NTP on an Interface............................................................................................................................... 934
Configuring a Source IP Address for NTP Packets............................................................................................ 934
Configuring NTP Authentication........................................................................................................................... 934
Dell Networking OS Time and Date.............................................................................................................................937
Configuration Task List ..........................................................................................................................................937
Setting the Time and Date for the Switch Software Clock............................................................................... 937
Setting the Timezone..............................................................................................................................................937
Set Daylight Saving Time........................................................................................................................................938
Setting Daylight Saving Time Once.......................................................................................................................938
Setting Recurring Daylight Saving Time...............................................................................................................939
56 Tunneling................................................................................................................................................. 941
Configuring a Tunnel......................................................................................................................................................941
Configuring Tunnel Keepalive Settings.......................................................................................................................942
Configuring a Tunnel Interface.................................................................................................................................... 942
Configuring Tunnel Allow-Remote Decapsulation.....................................................................................................943
Configuring the Tunnel Source Anylocal.................................................................................................................... 943
57 Uplink Failure Detection (UFD)................................................................................................................945
Feature Description.......................................................................................................................................................945
How Uplink Failure Detection Works.......................................................................................................................... 946
UFD and NIC Teaming.................................................................................................................................................. 947
Important Points to Remember................................................................................................................................... 947
Configuring Uplink Failure Detection...........................................................................................................................948
Clearing a UFD-Disabled Interface..............................................................................................................................949
Displaying Uplink Failure Detection............................................................................................................................. 950
Sample Configuration: Uplink Failure Detection........................................................................................................ 952
58 Upgrade Procedures................................................................................................................................954
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