Users Guide

Configure the Network Time Protocol..................................................................................................................917
Enabling NTP...............................................................................................................................................................917
Configuring NTP Broadcasts.................................................................................................................................. 918
Disabling NTP on an Interface................................................................................................................................ 918
Configuring a Source IP Address for NTP Packets...........................................................................................918
Configuring NTP Authentication............................................................................................................................ 919
Configuring NTP control key password................................................................................................................921
Configuring the NTP Step-Threshold................................................................................................................... 921
Configuring a Custom-defined Period for NTP time Synchronization..........................................................921
Dell EMC Networking OS Time and Date..................................................................................................................922
Configuration Task List ...........................................................................................................................................922
Setting the Time and Date for the Switch Software Clock............................................................................922
Setting the Timezone...............................................................................................................................................922
Set Daylight Saving Time........................................................................................................................................ 923
Setting Daylight Saving Time Once...................................................................................................................... 923
Setting Recurring Daylight Saving Time..............................................................................................................923
Chapter 55: Tunneling...............................................................................................................925
Configuring a Tunnel...................................................................................................................................................... 925
Configuring Tunnel Keepalive Settings......................................................................................................................926
Configuring a Tunnel Interface....................................................................................................................................926
Configuring Tunnel Allow-Remote Decapsulation...................................................................................................927
Configuring Tunnel source anylocal Decapsulation.................................................................................................927
Guidelines for Configuring Multipoint Receive-Only Tunnels...............................................................................928
Multipoint Receive-Only Tunnels................................................................................................................................ 928
Chapter 56: Uplink Failure Detection (UFD).............................................................................. 929
Feature Description........................................................................................................................................................ 929
How Uplink Failure Detection Works..........................................................................................................................930
UFD and NIC Teaming.................................................................................................................................................... 931
Important Points to Remember....................................................................................................................................931
Configuring Uplink Failure Detection..........................................................................................................................932
Clearing a UFD-Disabled Interface............................................................................................................................. 933
Displaying Uplink Failure Detection.............................................................................................................................934
Sample Configuration: Uplink Failure Detection......................................................................................................935
Chapter 57: Upgrade Procedures...............................................................................................937
Chapter 58: Virtual LANs (VLANs).............................................................................................938
Default VLAN................................................................................................................................................................... 938
Port-Based VLANs......................................................................................................................................................... 939
VLANs and Port Tagging...............................................................................................................................................939
Configuration Task List................................................................................................................................................. 940
Creating a Port-Based VLAN................................................................................................................................. 940
Assigning Interfaces to a VLAN..............................................................................................................................941
Moving Untagged Interfaces..................................................................................................................................942
Assigning an IP Address to a VLAN...................................................................................................................... 943
Configuring Native VLANs............................................................................................................................................943
Enabling Null VLAN as the Default VLAN................................................................................................................. 944
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