Reference Guide

Disabling NTP on an Interface....................................................................................................................... 810
Configuring a Source IP Address for NTP Packets........................................................................................810
Configuring NTP Authentication.................................................................................................................... 811
FTOS Time and Date............................................................................................................................................. 813
Configuration Task List ..................................................................................................................................813
Setting the Time and Date for the Switch Hardware Clock........................................................................... 814
Setting the Time and Date for the Switch Software Clock.............................................................................814
Setting the Timezone......................................................................................................................................814
Set Daylight Saving Time............................................................................................................................... 815
Setting Daylight Saving Time Once................................................................................................................815
Setting Recurring Daylight Saving Time........................................................................................................ 816
52 Tunneling ............................................................................................................................... 819
Configuring a Tunnel.............................................................................................................................................819
53 Uplink Failure Detection (UFD)............................................................................................821
Feature Description.............................................................................................................................................. 821
How Uplink Failure Detection Works....................................................................................................................822
UFD and NIC Teaming...........................................................................................................................................823
Important Points to Remember.............................................................................................................................823
Configuring Uplink Failure Detection....................................................................................................................824
Clearing a UFD-Disabled Interface.......................................................................................................................825
Displaying Uplink Failure Detection......................................................................................................................827
Sample Configuration: Uplink Failure Detection...................................................................................................829
54 Upgrade Procedures............................................................................................................ 831
Get Help with Upgrades........................................................................................................................................831
55 Virtual LANs (VLANs)............................................................................................................833
Default VLAN........................................................................................................................................................ 833
Port-Based VLANs................................................................................................................................................834
VLANs and Port Tagging.......................................................................................................................................834
Configuration Task List......................................................................................................................................... 835
Creating a Port-Based VLAN..........................................................................................................................835
Assigning Interfaces to a VLAN..................................................................................................................... 836
Moving Untagged Interfaces......................................................................................................................... 837
Assigning an IP Address to a VLAN...............................................................................................................838
Configuring Native VLANs.................................................................................................................................... 839
Enabling Null VLAN as the Default VLAN............................................................................................................. 839
56 Virtual Link Trunking (VLT)...................................................................................................841
Overview...............................................................................................................................................................841