Concept Guide

Congure the Network Time Protocol..................................................................................................................930
Enabling NTP............................................................................................................................................................ 931
Conguring NTP Broadcasts.................................................................................................................................. 931
Disabling NTP on an Interface................................................................................................................................932
Conguring a Source IP Address for NTP Packets............................................................................................. 932
Conguring NTP Authentication............................................................................................................................932
Conguring NTP control key password................................................................................................................ 935
Dell EMC Networking OS Time and Date...................................................................................................................935
Conguration Task List ...........................................................................................................................................935
Setting the Time and Date for the Switch Software Clock............................................................................... 935
Setting the Timezone..............................................................................................................................................936
Set Daylight Saving Time........................................................................................................................................936
Setting Daylight Saving Time Once.......................................................................................................................936
Setting Recurring Daylight Saving Time................................................................................................................937
Conguring a Custom-dened Period for NTP time Synchronization..............................................................938
57 Tunneling................................................................................................................................................. 939
Conguring a Tunnel......................................................................................................................................................939
Conguring Tunnel Keepalive Settings........................................................................................................................940
Conguring a Tunnel Interface.....................................................................................................................................940
Conguring Tunnel Allow-Remote Decapsulation.......................................................................................................941
Conguring the Tunnel Source Anylocal......................................................................................................................941
58 Uplink Failure Detection (UFD)................................................................................................................ 943
Feature Description....................................................................................................................................................... 943
How Uplink Failure Detection Works........................................................................................................................... 944
UFD and NIC Teaming...................................................................................................................................................945
Important Points to Remember................................................................................................................................... 945
Conguring Uplink Failure Detection...........................................................................................................................946
Clearing a UFD-Disabled Interface...............................................................................................................................947
Displaying Uplink Failure Detection..............................................................................................................................948
Sample Conguration: Uplink Failure Detection.........................................................................................................950
59 Upgrade Procedures................................................................................................................................ 952
Get Help with Upgrades............................................................................................................................................... 952
60 Virtual LANs (VLANs)..............................................................................................................................953
Default VLAN................................................................................................................................................................. 954
Port-Based VLANs........................................................................................................................................................ 954
VLANs and Port Tagging.............................................................................................................................................. 955
Conguration Task List................................................................................................................................................. 955
Creating a Port-Based VLAN.................................................................................................................................955
Assigning Interfaces to a VLAN............................................................................................................................. 956
Moving Untagged Interfaces..................................................................................................................................957
Assigning an IP Address to a VLAN.......................................................................................................................958
Conguring Native VLANs........................................................................................................................................... 958
30
Contents