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Table Of Contents
Setting Daylight Saving Time Once...................................................................................................................... 887
Setting Recurring Daylight Saving Time..............................................................................................................888
Chapter 60: Tunneling...............................................................................................................890
Configuring a Tunnel...................................................................................................................................................... 890
Configuring Tunnel Keepalive Settings...................................................................................................................... 891
Configuring a Tunnel Interface.....................................................................................................................................891
Configuring Tunnel Allow-Remote Decapsulation...................................................................................................892
Configuring the Tunnel Source Anylocal................................................................................................................... 892
Chapter 61: Uplink Failure Detection (UFD)............................................................................... 894
Feature Description........................................................................................................................................................ 894
How Uplink Failure Detection Works......................................................................................................................... 895
UFD and NIC Teaming................................................................................................................................................... 896
Important Points to Remember............................................................................................................................. 896
Configuring Uplink Failure Detection..........................................................................................................................897
Clearing a UFD-Disabled Interface............................................................................................................................. 898
Displaying Uplink Failure Detection............................................................................................................................ 899
Sample Configuration: Uplink Failure Detection.......................................................................................................901
Chapter 62: Upgrade Procedures...............................................................................................903
Chapter 63: Virtual LANs (VLANs).............................................................................................904
Default VLAN................................................................................................................................................................... 904
Port-Based VLANs......................................................................................................................................................... 905
VLANs and Port Tagging.............................................................................................................................................. 905
Configuration Task List................................................................................................................................................. 906
Creating a Port-Based VLAN.................................................................................................................................906
Assigning Interfaces to a VLAN.............................................................................................................................907
Moving Untagged Interfaces................................................................................................................................. 908
Assigning an IP Address to a VLAN......................................................................................................................909
Enabling Null VLAN as the Default VLAN........................................................................................................... 909
Configuring Native VLANs............................................................................................................................................909
Chapter 64: VLT Proxy Gateway................................................................................................. 911
Proxy Gateway in VLT Domains....................................................................................................................................911
LLDP VLT Proxy Gateway in a Square VLT Topology...................................................................................... 914
Configuring an LLDP VLT Proxy Gateway................................................................................................................ 915
Configuring a Static VLT Proxy Gateway..................................................................................................................915
Chapter 65: Virtual Link Trunking (VLT).....................................................................................917
Overview............................................................................................................................................................................ 917
VLT on Core Switches..............................................................................................................................................918
Multiple VLT................................................................................................................................................................919
VLT Terminology............................................................................................................................................................. 920
Configure Virtual Link Trunking...................................................................................................................................920
Important Points to Remember............................................................................................................................. 920
Configuration Notes..................................................................................................................................................921
RSTP and VLT........................................................................................................................................................... 923
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