Concept Guide

Congure the Network Time Protocol..................................................................................................................935
Enabling NTP............................................................................................................................................................936
Conguring NTP Broadcasts................................................................................................................................. 936
Disabling NTP on an Interface................................................................................................................................937
Conguring a Source IP Address for NTP Packets............................................................................................. 937
Conguring NTP Authentication............................................................................................................................937
Conguring a Custom-dened Period for NTP time Synchronization..............................................................940
Conguring NTP control key password................................................................................................................ 940
Dell EMC Networking OS Time and Date...................................................................................................................940
Conguration Task List .......................................................................................................................................... 940
Setting the Time and Date for the Switch Software Clock............................................................................... 940
Setting the Timezone...............................................................................................................................................941
Set Daylight Saving Time.........................................................................................................................................941
Setting Daylight Saving Time Once........................................................................................................................941
Setting Recurring Daylight Saving Time............................................................................................................... 942
54 Tunneling................................................................................................................................................. 944
Conguring a Tunnel......................................................................................................................................................944
Conguring Tunnel Keepalive Settings........................................................................................................................945
Conguring a Tunnel Interface.....................................................................................................................................945
Conguring Tunnel Allow-Remote Decapsulation......................................................................................................946
Conguring the Tunnel Source Anylocal.....................................................................................................................946
55 Uplink Failure Detection (UFD)................................................................................................................ 948
Feature Description....................................................................................................................................................... 948
How Uplink Failure Detection Works...........................................................................................................................949
UFD and NIC Teaming.................................................................................................................................................. 950
Important Points to Remember................................................................................................................................... 950
Conguring Uplink Failure Detection............................................................................................................................951
Clearing a UFD-Disabled Interface.............................................................................................................................. 952
Displaying Uplink Failure Detection..............................................................................................................................953
Sample Conguration: Uplink Failure Detection.........................................................................................................955
56 Upgrade Procedures................................................................................................................................ 957
Get Help with Upgrades............................................................................................................................................... 957
57 Virtual LANs (VLANs)..............................................................................................................................958
Default VLAN................................................................................................................................................................. 959
Port-Based VLANs........................................................................................................................................................ 959
VLANs and Port Tagging.............................................................................................................................................. 960
Conguration Task List................................................................................................................................................. 960
Creating a Port-Based VLAN.................................................................................................................................960
Assigning Interfaces to a VLAN..............................................................................................................................961
Moving Untagged Interfaces..................................................................................................................................962
Assigning an IP Address to a VLAN.......................................................................................................................963
Conguring Native VLANs........................................................................................................................................... 963
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