Administrator Guide

Conguring NTP Broadcasts.................................................................................................................................. 861
Disabling NTP on an Interface................................................................................................................................862
Conguring a Source IP Address for NTP Packets............................................................................................. 862
Conguring NTP Authentication............................................................................................................................862
Dell Networking OS Time and Date.............................................................................................................................865
Conguration Task List .......................................................................................................................................... 865
Setting the Time and Date for the Switch Software Clock............................................................................... 865
Setting the Timezone..............................................................................................................................................865
Set Daylight Saving Time........................................................................................................................................866
Setting Daylight Saving Time Once.......................................................................................................................866
Setting Recurring Daylight Saving Time................................................................................................................867
Conguring a Custom-dened Period for NTP time Synchronization..............................................................868
55 Tunneling................................................................................................................................................. 869
Conguring a Tunnel......................................................................................................................................................869
Conguring Tunnel Keepalive Settings........................................................................................................................870
Conguring a Tunnel Interface..................................................................................................................................... 870
Conguring Tunnel Allow-Remote Decapsulation.......................................................................................................871
Conguring the Tunnel Source Anylocal...................................................................................................................... 871
56 Uplink Failure Detection (UFD)................................................................................................................ 873
Feature Description........................................................................................................................................................873
How Uplink Failure Detection Works............................................................................................................................874
UFD and NIC Teaming...................................................................................................................................................875
Important Points to Remember....................................................................................................................................875
Conguring Uplink Failure Detection........................................................................................................................... 876
Clearing a UFD-Disabled Interface...............................................................................................................................877
Displaying Uplink Failure Detection.............................................................................................................................. 878
Sample Conguration: Uplink Failure Detection.........................................................................................................880
57 Upgrade Procedures................................................................................................................................ 882
Get Help with Upgrades............................................................................................................................................... 882
58 Virtual LANs (VLANs)..............................................................................................................................883
Default VLAN................................................................................................................................................................. 884
Port-Based VLANs........................................................................................................................................................ 884
VLANs and Port Tagging.............................................................................................................................................. 885
Conguration Task List..................................................................................................................................................885
Creating a Port-Based VLAN.................................................................................................................................885
Assigning Interfaces to a VLAN............................................................................................................................. 886
Moving Untagged Interfaces..................................................................................................................................887
Assigning an IP Address to a VLAN.......................................................................................................................888
Conguring Native VLANs........................................................................................................................................... 888
Enabling Null VLAN as the Default VLAN...................................................................................................................889
59 Virtual Link Trunking (VLT)...................................................................................................................... 890
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