Deployment Guide

Table Of Contents
Configuring Tunnel source anylocal Decapsulation................................................................................................ 908
Guidelines for Configuring Multipoint Receive-Only Tunnels.............................................................................. 909
Multipoint Receive-Only Tunnels................................................................................................................................909
Chapter 55: Uplink Failure Detection (UFD)............................................................................... 910
Feature Description.........................................................................................................................................................910
How Uplink Failure Detection Works........................................................................................................................... 911
UFD and NIC Teaming.................................................................................................................................................... 912
Important Points to Remember....................................................................................................................................912
Configuring Uplink Failure Detection.......................................................................................................................... 913
Clearing a UFD-Disabled Interface.............................................................................................................................. 914
Displaying Uplink Failure Detection............................................................................................................................. 915
Sample Configuration: Uplink Failure Detection....................................................................................................... 917
Chapter 56: Upgrade Procedures............................................................................................... 918
Chapter 57: Virtual LANs (VLANs)............................................................................................. 919
Default VLAN....................................................................................................................................................................919
Port-Based VLANs......................................................................................................................................................... 920
VLANs and Port Tagging.............................................................................................................................................. 920
Configuration Task List.................................................................................................................................................. 921
Creating a Port-Based VLAN..................................................................................................................................921
Assigning Interfaces to a VLAN.............................................................................................................................922
Moving Untagged Interfaces..................................................................................................................................923
Assigning an IP Address to a VLAN...................................................................................................................... 924
Configuring Native VLANs............................................................................................................................................924
Enabling Null VLAN as the Default VLAN................................................................................................................. 925
Chapter 58: Virtual Link Trunking (VLT).................................................................................... 926
Overview...........................................................................................................................................................................926
VLT Terminology....................................................................................................................................................... 928
Layer-2 Traffic in VLT Domains.............................................................................................................................929
Interspersed VLANs..................................................................................................................................................930
VLT on Core Switches............................................................................................................................................. 930
Enhanced VLT............................................................................................................................................................ 931
Configure Virtual Link Trunking...................................................................................................................................932
Important Points to Remember............................................................................................................................. 932
Configuration Notes................................................................................................................................................. 933
Primary and Secondary VLT Peers....................................................................................................................... 936
RSTP and VLT........................................................................................................................................................... 936
VLT Bandwidth Monitoring.....................................................................................................................................937
VLT and Stacking...................................................................................................................................................... 937
VLT and IGMP Snooping......................................................................................................................................... 937
VLT IPv6......................................................................................................................................................................937
VLT Port Delayed Restoration............................................................................................................................... 938
PIM-Sparse Mode Support on VLT...................................................................................................................... 938
VLT Routing .............................................................................................................................................................. 940
Non-VLT ARP Sync.................................................................................................................................................. 943
RSTP Configuration........................................................................................................................................................943
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