Setup Guide

Conguring a Tunnel Interface.................................................................................................................................... 1012
Conguring Tunnel Allow-Remote Decapsulation.....................................................................................................1012
Conguring Tunnel source anylocal Decapsulation...................................................................................................1013
Guidelines for Conguring Multipoint Receive-Only Tunnels.................................................................................. 1013
Multipoint Receive-Only Tunnels................................................................................................................................ 1013
55 Uplink Failure Detection (UFD)............................................................................................................... 1014
Feature Description.......................................................................................................................................................1014
How Uplink Failure Detection Works.......................................................................................................................... 1015
UFD and NIC Teaming..................................................................................................................................................1016
Important Points to Remember...................................................................................................................................1016
Conguring Uplink Failure Detection.......................................................................................................................... 1017
Clearing a UFD-Disabled Interface..............................................................................................................................1018
Displaying Uplink Failure Detection............................................................................................................................. 1019
Sample Conguration: Uplink Failure Detection........................................................................................................ 1021
56 Upgrade Procedures...............................................................................................................................1023
Get Help with Upgrades..............................................................................................................................................1023
57 Virtual LANs (VLANs).............................................................................................................................1024
Default VLAN................................................................................................................................................................1025
Port-Based VLANs.......................................................................................................................................................1025
VLANs and Port Tagging.............................................................................................................................................1026
Conguration Task List................................................................................................................................................ 1026
Creating a Port-Based VLAN................................................................................................................................1026
Assigning Interfaces to a VLAN............................................................................................................................ 1027
Moving Untagged Interfaces................................................................................................................................ 1028
Assigning an IP Address to a VLAN..................................................................................................................... 1029
Conguring Native VLANs..........................................................................................................................................1029
Enabling Null VLAN as the Default VLAN................................................................................................................. 1030
58 Virtual Link Trunking (VLT)......................................................................................................................1031
Overview........................................................................................................................................................................1031
VLT Terminology..................................................................................................................................................... 1034
Layer-2 Trac in VLT Domains............................................................................................................................. 1035
Interspersed VLANs...............................................................................................................................................1036
VLT on Core Switches........................................................................................................................................... 1036
Enhanced VLT.........................................................................................................................................................1037
Congure Virtual Link Trunking...................................................................................................................................1038
Important Points to Remember............................................................................................................................1038
Conguration Notes...............................................................................................................................................1039
Primary and Secondary VLT Peers...................................................................................................................... 1042
RSTP and VLT........................................................................................................................................................ 1043
VLT Bandwidth Monitoring................................................................................................................................... 1043
VLT and Stacking................................................................................................................................................... 1043
VLT and IGMP Snooping.......................................................................................................................................1043
Contents
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