Users Guide

Chapter 53: System Time and Date............................................................................................... 715
Network Time Protocol..................................................................................................................................................... 715
Protocol Overview....................................................................................................................................................... 716
Configure the Network Time Protocol...................................................................................................................... 716
Enabling NTP................................................................................................................................................................ 716
Configuring NTP Broadcasts...................................................................................................................................... 717
Disabling NTP on an Interface.................................................................................................................................... 717
Configuring a Source IP Address for NTP Packets................................................................................................. 717
Configuring NTP Authentication................................................................................................................................ 718
Dell Networking OS Time and Date................................................................................................................................ 720
Configuration Task List ..............................................................................................................................................720
Setting the Time and Date for the Switch Software Clock...................................................................................720
Setting the Timezone..................................................................................................................................................720
Set Daylight Saving Time............................................................................................................................................ 721
Setting Daylight Saving Time Once........................................................................................................................... 721
Setting Recurring Daylight Saving Time....................................................................................................................721
Chapter 54: Tunneling................................................................................................................. 724
Configuring a Tunnel......................................................................................................................................................... 724
Configuring Tunnel Keepalive Settings...........................................................................................................................725
Configuring a Tunnel Interface........................................................................................................................................ 725
Configuring Tunnel Allow-Remote Decapsulation.........................................................................................................726
Configuring the Tunnel Source Anylocal........................................................................................................................ 726
Chapter 55: Uplink Failure Detection (UFD)................................................................................... 727
Feature Description........................................................................................................................................................... 727
How Uplink Failure Detection Works.............................................................................................................................. 728
UFD and NIC Teaming...................................................................................................................................................... 729
Important Points to Remember.......................................................................................................................................729
Configuring Uplink Failure Detection.............................................................................................................................. 730
Clearing a UFD-Disabled Interface...................................................................................................................................731
Displaying Uplink Failure Detection................................................................................................................................. 732
Sample Configuration: Uplink Failure Detection............................................................................................................ 734
Chapter 56: Upgrade Procedures..................................................................................................735
Chapter 57: Virtual LANs (VLANs)................................................................................................ 736
Default VLAN..................................................................................................................................................................... 736
Port-Based VLANs............................................................................................................................................................ 737
VLANs and Port Tagging..................................................................................................................................................737
Configuration Task List.....................................................................................................................................................738
Creating a Port-Based VLAN.....................................................................................................................................738
Assigning Interfaces to a VLAN.................................................................................................................................738
Moving Untagged Interfaces..................................................................................................................................... 739
Assigning an IP Address to a VLAN...........................................................................................................................740
Configuring Native VLANs................................................................................................................................................741
Enabling Null VLAN as the Default VLAN....................................................................................................................... 741
24
Contents