Administrator Guide

Configure the Network Time Protocol..................................................................................................................... 864
Enabling NTP............................................................................................................................................................... 864
Configuring NTP Broadcasts.....................................................................................................................................865
Disabling NTP on an Interface................................................................................................................................... 865
Configuring a Source IP Address for NTP Packets................................................................................................ 865
Configuring NTP Authentication............................................................................................................................... 866
Configuring NTP control key password................................................................................................................... 868
Configuring the NTP Step-Threshold.......................................................................................................................868
Configuring a Custom-defined Period for NTP time Synchronization................................................................. 868
Dell EMC Networking OS Time and Date...................................................................................................................... 869
Configuration Task List ..............................................................................................................................................869
Setting the Time and Date for the Switch Software Clock...................................................................................869
Setting the Timezone................................................................................................................................................. 869
Set Daylight Saving Time............................................................................................................................................870
Setting Daylight Saving Time Once...........................................................................................................................870
Setting Recurring Daylight Saving Time...................................................................................................................870
55 Tunneling...............................................................................................................................872
Configuring a Tunnel......................................................................................................................................................... 872
Configuring Tunnel Keepalive Settings...........................................................................................................................873
Configuring a Tunnel Interface........................................................................................................................................ 873
Configuring Tunnel Allow-Remote Decapsulation.........................................................................................................874
Configuring Tunnel source anylocal Decapsulation.......................................................................................................874
Guidelines for Configuring Multipoint Receive-Only Tunnels...................................................................................... 875
Multipoint Receive-Only Tunnels.................................................................................................................................... 875
56 Uplink Failure Detection (UFD)................................................................................................ 876
Feature Description...........................................................................................................................................................876
How Uplink Failure Detection Works...............................................................................................................................877
UFD and NIC Teaming...................................................................................................................................................... 878
Important Points to Remember.......................................................................................................................................878
Configuring Uplink Failure Detection.............................................................................................................................. 879
Clearing a UFD-Disabled Interface..................................................................................................................................880
Displaying Uplink Failure Detection..................................................................................................................................881
Sample Configuration: Uplink Failure Detection............................................................................................................882
57 Upgrade Procedures............................................................................................................... 884
58 Virtual LANs (VLANs)............................................................................................................. 885
Default VLAN.....................................................................................................................................................................885
Port-Based VLANs............................................................................................................................................................886
VLANs and Port Tagging................................................................................................................................................. 886
Configuration Task List.....................................................................................................................................................887
Creating a Port-Based VLAN.....................................................................................................................................887
Assigning Interfaces to a VLAN.................................................................................................................................887
Moving Untagged Interfaces..................................................................................................................................... 888
Assigning an IP Address to a VLAN.......................................................................................................................... 889
Configuring Native VLANs...............................................................................................................................................890
Enabling Null VLAN as the Default VLAN...................................................................................................................... 890
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