Users Guide

Get Help with Upgrades...................................................................................................... 1011
59 Virtual LANs (VLANs)........................................................................................................1012
Default VLAN......................................................................................................................... 1013
Port-Based VLANs................................................................................................................ 1013
VLANs and Port Tagging.....................................................................................................1014
Configuration Task List....................................................................................................... 1014
Creating a Port-Based VLAN........................................................................................1015
Assigning Interfaces to a VLAN....................................................................................1015
Moving Untagged Interfaces........................................................................................ 1017
Assigning an IP Address to a VLAN............................................................................. 1018
Configuring Native VLANs..................................................................................................1018
Enabling Null VLAN as the Default VLAN........................................................................ 1019
60 VLT Proxy Gateway......................................................................................................... 1020
Proxy Gateway in VLT Domains........................................................................................1020
Guidelines for Enabling the VLT Proxy Gateway..................................................... 1021
Enabling the VLT Proxy Gateway................................................................................1022
LLDP Organizational TLV for Proxy Gateway...........................................................1023
Configuring an LLDP VLT Proxy Gateway...................................................................... 1025
Configuring a Static VLT Proxy Gateway........................................................................ 1026
61 Virtual Link Trunking (VLT).............................................................................................1027
Overview................................................................................................................................ 1027
VLT on Core Switches...................................................................................................1028
Enhanced VLT.................................................................................................................1029
VLT Terminology..................................................................................................................1029
Configure Virtual Link Trunking........................................................................................1030
Important Points to Remember..................................................................................1030
Configuration Notes...................................................................................................... 1031
Primary and Secondary VLT Peers..............................................................................1035
RSTP and VLT.................................................................................................................. 1035
VLT Bandwidth Monitoring.......................................................................................... 1036
VLT and Stacking............................................................................................................1036
VLT and IGMP Snooping...............................................................................................1036
VLT IPv6............................................................................................................................1036
VLT Port Delayed Restoration......................................................................................1037
PIM-Sparse Mode Support on VLT.............................................................................1038
VLT Routing ....................................................................................................................1039
Non-VLT ARP Sync........................................................................................................ 1042
RSTP Configuration............................................................................................................. 1042
Preventing Forwarding Loops in a VLT Domain......................................................1042
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