Users Guide

Disabling NTP on an Interface............................................................................................................................... 859
Conguring a Source IP Address for NTP Packets.............................................................................................859
Conguring NTP Authentication........................................................................................................................... 859
Dell Networking OS Time and Date.............................................................................................................................862
Conguration Task List ...........................................................................................................................................862
Setting the Time and Date for the Switch Software Clock................................................................................862
Setting the Timezone..............................................................................................................................................862
Set Daylight Saving Time........................................................................................................................................863
Setting Daylight Saving Time Once.......................................................................................................................863
Setting Recurring Daylight Saving Time............................................................................................................... 864
Conguring a Custom-dened Period for NTP time Synchronization..............................................................865
55 Tunneling................................................................................................................................................. 866
Conguring a Tunnel......................................................................................................................................................866
Conguring Tunnel Keepalive Settings........................................................................................................................867
Conguring a Tunnel Interface..................................................................................................................................... 867
Conguring Tunnel Allow-Remote Decapsulation......................................................................................................868
Conguring the Tunnel Source Anylocal..................................................................................................................... 868
56 Uplink Failure Detection (UFD)................................................................................................................ 870
Feature Description........................................................................................................................................................870
How Uplink Failure Detection Works............................................................................................................................ 871
UFD and NIC Teaming................................................................................................................................................... 872
Important Points to Remember....................................................................................................................................872
Conguring Uplink Failure Detection........................................................................................................................... 873
Clearing a UFD-Disabled Interface...............................................................................................................................874
Displaying Uplink Failure Detection.............................................................................................................................. 875
Sample Conguration: Uplink Failure Detection......................................................................................................... 877
57 Upgrade Procedures................................................................................................................................ 879
Get Help with Upgrades................................................................................................................................................879
58 Virtual LANs (VLANs)..............................................................................................................................880
Default VLAN.................................................................................................................................................................. 881
Port-Based VLANs......................................................................................................................................................... 881
VLANs and Port Tagging.............................................................................................................................................. 882
Conguration Task List..................................................................................................................................................882
Creating a Port-Based VLAN................................................................................................................................. 882
Assigning Interfaces to a VLAN............................................................................................................................. 883
Moving Untagged Interfaces..................................................................................................................................884
Assigning an IP Address to a VLAN.......................................................................................................................885
Conguring Native VLANs........................................................................................................................................... 885
Enabling Null VLAN as the Default VLAN...................................................................................................................886
59 Virtual Link Trunking (VLT).......................................................................................................................887
Overview.........................................................................................................................................................................887
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