Concept Guide

Conguring NTP Authentication..........................................................................................................................1045
Conguring NTP control key password...............................................................................................................1048
Conguring a Custom-dened Period for NTP time Synchronization............................................................ 1048
Dell EMC Networking OS Time and Date................................................................................................................. 1048
Conguration Task List ......................................................................................................................................... 1048
Setting the Time and Date for the Switch Software Clock..............................................................................1048
Setting the Timezone............................................................................................................................................ 1049
Set Daylight Saving Time...................................................................................................................................... 1049
Setting Daylight Saving Time Once..................................................................................................................... 1049
Setting Recurring Daylight Saving Time..............................................................................................................1050
59 Tunneling................................................................................................................................................1052
Conguring a Tunnel.................................................................................................................................................... 1052
Conguring Tunnel Keepalive Settings......................................................................................................................1053
Conguring a Tunnel Interface................................................................................................................................... 1053
Conguring Tunnel Allow-Remote Decapsulation.................................................................................................... 1054
Conguring the Tunnel Source Anylocal................................................................................................................... 1054
60 Uplink Failure Detection (UFD)...............................................................................................................1056
Feature Description......................................................................................................................................................1056
How Uplink Failure Detection Works..........................................................................................................................1057
UFD and NIC Teaming................................................................................................................................................. 1058
Important Points to Remember..................................................................................................................................1058
Conguring Uplink Failure Detection......................................................................................................................... 1059
Clearing a UFD-Disabled Interface.............................................................................................................................1060
Displaying Uplink Failure Detection............................................................................................................................. 1061
Sample Conguration: Uplink Failure Detection....................................................................................................... 1063
61 Upgrade Procedures............................................................................................................................... 1065
Get Help with Upgrades..............................................................................................................................................1065
62 Virtual LANs (VLANs)............................................................................................................................ 1066
Default VLAN................................................................................................................................................................1067
Port-Based VLANs.......................................................................................................................................................1067
VLANs and Port Tagging.............................................................................................................................................1068
Conguration Task List................................................................................................................................................ 1068
Creating a Port-Based VLAN............................................................................................................................... 1068
Assigning Interfaces to a VLAN............................................................................................................................1069
Moving Untagged Interfaces................................................................................................................................ 1070
Assigning an IP Address to a VLAN...................................................................................................................... 1071
Conguring Native VLANs...........................................................................................................................................1071
Enabling Null VLAN as the Default VLAN................................................................................................................. 1072
63 Virtual Link Trunking (VLT)..................................................................................................................... 1073
Overview....................................................................................................................................................................... 1073
VLT Terminology..................................................................................................................................................... 1076
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Contents