Dell S4048–ON Configuration Manual page 30

Configure the Network Time Protocol..................................................................................................................946
Enabling NTP............................................................................................................................................................947
Configuring NTP Broadcasts..................................................................................................................................947
Disabling NTP on an Interface................................................................................................................................948
Configuring a Source IP Address for NTP Packets............................................................................................. 948
Configuring NTP Authentication............................................................................................................................948
Configuring a Custom-defined Period for NTP time Synchronization...............................................................951
Dell Networking OS Time and Date..............................................................................................................................951
Configuration Task List ........................................................................................................................................... 951
Setting the Time and Date for the Switch Software Clock................................................................................ 951
Setting the Timezone..............................................................................................................................................952
Set Daylight Saving Time........................................................................................................................................952
Setting Daylight Saving Time Once.......................................................................................................................952
Setting Recurring Daylight Saving Time............................................................................................................... 953
57 Tunneling................................................................................................................................................. 955
Configuring a Tunnel..................................................................................................................................................... 955
Configuring Tunnel Keepalive Settings....................................................................................................................... 956
Configuring a Tunnel Interface.....................................................................................................................................956
Configuring Tunnel Allow-Remote Decapsulation......................................................................................................957
Configuring the Tunnel Source Anylocal..................................................................................................................... 957
58 Uplink Failure Detection (UFD)................................................................................................................ 959
Feature Description....................................................................................................................................................... 959
How Uplink Failure Detection Works...........................................................................................................................960
UFD and NIC Teaming................................................................................................................................................... 961
Important Points to Remember.................................................................................................................................... 961
Configuring Uplink Failure Detection........................................................................................................................... 962
Clearing a UFD-Disabled Interface.............................................................................................................................. 963
Displaying Uplink Failure Detection..............................................................................................................................964
Sample Configuration: Uplink Failure Detection.........................................................................................................966
59 Upgrade Procedures................................................................................................................................ 968
Get Help with Upgrades............................................................................................................................................... 968
60 Virtual LANs (VLANs)..............................................................................................................................969
Default VLAN..................................................................................................................................................................970
Port-Based VLANs........................................................................................................................................................ 970
VLANs and Port Tagging............................................................................................................................................... 971
Configuration Task List...................................................................................................................................................971
Creating a Port-Based VLAN.................................................................................................................................. 971
Assigning Interfaces to a VLAN............................................................................................................................. 972
Moving Untagged Interfaces.................................................................................................................................. 973
Assigning an IP Address to a VLAN....................................................................................................................... 974
Configuring Native VLANs............................................................................................................................................974
Enabling Null VLAN as the Default VLAN...................................................................................................................975
30 Contents