Configuring NTP Authentication................................................................................................929
Dell Networking OS Time and Date.................................................................................................931
Configuration Task List ...............................................................................................................931
Set Daylight Saving Time............................................................................................................933
54 Tunneling ....................................................................................................... 936
Configuring a Tunnel........................................................................................................................936
Configuring Tunnel keepalive..........................................................................................................937
Configuring the ip and ipv6 unnumbered.......................................................................................938
Configuring the Tunnel allow-remote............................................................................................938
Configuring the Tunnel Source Anylocal........................................................................................939
55 Uplink Failure Detection (UFD)................................................................... 940
Feature Description..........................................................................................................................940
How Uplink Failure Detection Works...............................................................................................941
UFD and NIC Teaming......................................................................................................................942
Important Points to Remember.......................................................................................................943
Configuring Uplink Failure Detection..............................................................................................943
Clearing a UFD-Disabled Interface..................................................................................................945
Displaying Uplink Failure Detection.................................................................................................946
Sample Configuration: Uplink Failure Detection............................................................................948
56 Upgrade Procedures..................................................................................... 950
Get Help with Upgrades...................................................................................................................950
57 Virtual LANs (VLANs)......................................................................................951
Default VLAN.....................................................................................................................................951
Port-Based VLANs.......................................................................................................................952
VLANs and Port Tagging.............................................................................................................953
Configuration Task List...............................................................................................................953
Configuring Native VLANs..........................................................................................................957
Enabling Null VLAN as the Default VLAN.........................................................................................958
58 Virtual Link Trunking (VLT).......................................................................... 959
Overview...........................................................................................................................................959
Multi-domain VLT.......................................................................................................................960
VLT Terminology...............................................................................................................................961
Configure Virtual Link Trunking........................................................................................................961
Important Points to Remember.................................................................................................962
Configuration Notes...................................................................................................................962
RSTP and VLT..............................................................................................................................966
VLT Bandwidth Monitoring.........................................................................................................967
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