Users Guide

Network Time Protocol.................................................................................................................................................859
Protocol Overview...................................................................................................................................................860
Congure the Network Time Protocol...................................................................................................................861
Enabling NTP............................................................................................................................................................ 861
Conguring NTP Broadcasts................................................................................................................................. 862
Disabling NTP on an Interface................................................................................................................................862
Conguring a Source IP Address for NTP Packets.............................................................................................862
Conguring NTP Authentication............................................................................................................................863
Conguring a Custom-dened Period for NTP time Synchronization..............................................................865
Dell Networking OS Time and Date.............................................................................................................................866
Conguration Task List .......................................................................................................................................... 866
Setting the Time and Date for the Switch Software Clock............................................................................... 866
Setting the Timezone..............................................................................................................................................866
Set Daylight Saving Time........................................................................................................................................ 867
Setting Daylight Saving Time Once....................................................................................................................... 867
Setting Recurring Daylight Saving Time................................................................................................................867
56 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 Tunnel source anylocal Decapsulation.....................................................................................................871
57 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
58 Upgrade Procedures................................................................................................................................ 882
Get Help with Upgrades............................................................................................................................................... 882
59 Virtual LANs (VLANs)..............................................................................................................................883
Default VLAN................................................................................................................................................................. 884
Port-Based VLANs........................................................................................................................................................ 884
VLANs and Port Tagging.............................................................................................................................................. 884
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
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