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Conguring a Source IP Address for NTP Packets.............................................................................................966
Conguring NTP Authentication........................................................................................................................... 966
Dell EMC Networking OS Time and Date...................................................................................................................969
Conguration Task List .......................................................................................................................................... 969
Setting the Time and Date for the Switch Software Clock............................................................................... 969
Setting the Timezone..............................................................................................................................................969
Set Daylight Saving Time........................................................................................................................................ 970
Setting Daylight Saving Time Once.......................................................................................................................970
Setting Recurring Daylight Saving Time................................................................................................................ 971
56 Tunneling................................................................................................................................................. 973
Conguring a Tunnel......................................................................................................................................................973
Conguring Tunnel Keepalive Settings........................................................................................................................ 974
Conguring a Tunnel Interface......................................................................................................................................974
Conguring Tunnel Allow-Remote Decapsulation......................................................................................................975
Conguring the Tunnel Source Anylocal..................................................................................................................... 975
57 Uplink Failure Detection (UFD).................................................................................................................977
Feature Description........................................................................................................................................................977
How Uplink Failure Detection Works........................................................................................................................... 978
UFD and NIC Teaming...................................................................................................................................................979
Important Points to Remember....................................................................................................................................979
Conguring Uplink Failure Detection...........................................................................................................................980
Clearing a UFD-Disabled Interface............................................................................................................................... 981
Displaying Uplink Failure Detection..............................................................................................................................982
Sample Conguration: Uplink Failure Detection.........................................................................................................984
58 Upgrade Procedures................................................................................................................................ 986
Get Help with Upgrades............................................................................................................................................... 986
59 Virtual LANs (VLANs).............................................................................................................................. 987
Default VLAN................................................................................................................................................................. 988
Port-Based VLANs........................................................................................................................................................ 988
VLANs and Port Tagging.............................................................................................................................................. 989
Conguration Task List..................................................................................................................................................989
Creating a Port-Based VLAN.................................................................................................................................989
Assigning Interfaces to a VLAN.............................................................................................................................990
Moving Untagged Interfaces.................................................................................................................................. 991
Assigning an IP Address to a VLAN.......................................................................................................................992
Conguring Native VLANs........................................................................................................................................... 992
Enabling Null VLAN as the Default VLAN...................................................................................................................993
60 Virtual Link Trunking (VLT)...................................................................................................................... 994
Overview.........................................................................................................................................................................994
VLT Terminology.......................................................................................................................................................997
Layer-2 Trac in VLT Domains.............................................................................................................................. 998
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