Concept Guide

Conguring NTP Broadcasts................................................................................................................................. 983
Disabling NTP on an Interface................................................................................................................................984
Conguring a Source IP Address for NTP Packets............................................................................................. 984
Conguring NTP Authentication............................................................................................................................984
Conguring NTP control key password................................................................................................................ 987
Conguring a Custom-dened Period for NTP time Synchronization.............................................................. 987
Dell EMC Networking OS Time and Date................................................................................................................... 987
Conguration Task List ...........................................................................................................................................987
Setting the Time and Date for the Switch Software Clock................................................................................987
Setting the Timezone..............................................................................................................................................988
Set Daylight Saving Time........................................................................................................................................988
Setting Daylight Saving Time Once.......................................................................................................................988
Setting Recurring Daylight Saving Time............................................................................................................... 989
54 Tunneling..................................................................................................................................................991
Conguring a Tunnel...................................................................................................................................................... 991
Conguring Tunnel Keepalive Settings........................................................................................................................992
Conguring a Tunnel Interface.....................................................................................................................................993
Conguring Tunnel Allow-Remote Decapsulation......................................................................................................993
Conguring Tunnel source anylocal Decapsulation....................................................................................................994
Guidelines for Conguring Multipoint Receive-Only Tunnels................................................................................... 994
Multipoint Receive-Only Tunnels................................................................................................................................. 994
55 Uplink Failure Detection (UFD)................................................................................................................ 995
Feature Description....................................................................................................................................................... 995
How Uplink Failure Detection Works...........................................................................................................................996
UFD and NIC Teaming...................................................................................................................................................997
Important Points to Remember....................................................................................................................................997
Conguring Uplink Failure Detection...........................................................................................................................998
Clearing a UFD-Disabled Interface.............................................................................................................................. 999
Displaying Uplink Failure Detection............................................................................................................................ 1000
Sample Conguration: Uplink Failure Detection....................................................................................................... 1002
56 Upgrade Procedures.............................................................................................................................. 1004
Get Help with Upgrades..............................................................................................................................................1004
57 Virtual LANs (VLANs)............................................................................................................................ 1005
Default VLAN................................................................................................................................................................1006
Port-Based VLANs...................................................................................................................................................... 1006
VLANs and Port Tagging............................................................................................................................................. 1007
Conguration Task List................................................................................................................................................ 1007
Creating a Port-Based VLAN................................................................................................................................1007
Assigning Interfaces to a VLAN............................................................................................................................1008
Moving Untagged Interfaces................................................................................................................................1009
Assigning an IP Address to a VLAN......................................................................................................................1010
Conguring Native VLANs...........................................................................................................................................1010
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