Users Guide
Moving Untagged Interfaces....................................................................................... 1020
Assigning an IP Address to a VLAN............................................................................. 1021
Configuring Native VLANs.................................................................................................. 1021
Enabling Null VLAN as the Default VLAN........................................................................1022
55 VLT Proxy Gateway..........................................................................................................1023
Proxy Gateway in VLT Domains........................................................................................1023
Guidelines for Enabling the VLT Proxy Gateway.....................................................1024
Enabling the VLT Proxy Gateway................................................................................1025
LLDP Organizational TLV for Proxy Gateway...........................................................1026
Configuring a Static VLT Proxy Gateway........................................................................ 1028
Configuring an LLDP VLT Proxy Gateway...................................................................... 1029
56 Virtual Link Trunking (VLT)............................................................................................ 1030
Overview................................................................................................................................1030
VLT on Core Switches................................................................................................... 1031
Enhanced VLT................................................................................................................. 1032
VLT Terminology..................................................................................................................1032
Configure Virtual Link Trunking........................................................................................ 1033
Important Points to Remember.................................................................................. 1033
Configuration Notes......................................................................................................1034
Primary and Secondary VLT Peers..............................................................................1038
RSTP and VLT..................................................................................................................1038
VLT Bandwidth Monitoring.......................................................................................... 1039
VLT and IGMP Snooping...............................................................................................1039
VLT IPv6............................................................................................................................1039
VLT Port Delayed Restoration..................................................................................... 1040
PIM-Sparse Mode Support on VLT............................................................................. 1041
VLT Routing ....................................................................................................................1042
Non-VLT ARP Sync........................................................................................................ 1045
RSTP Configuration............................................................................................................. 1045
Preventing Forwarding Loops in a VLT Domain......................................................1045
Sample RSTP Configuration........................................................................................ 1046
Configuring VLT............................................................................................................. 1046
PVST+ Configuration.......................................................................................................... 1058
Sample PVST+ Configuration......................................................................................1058
eVLT Configuration Example.............................................................................................1059
eVLT Configuration Step Examples........................................................................... 1060
PIM-Sparse Mode Configuration Example.....................................................................1062
Verifying a VLT Configuration........................................................................................... 1063
Additional VLT Sample Configurations........................................................................... 1066
Troubleshooting VLT.......................................................................................................... 1068
9.10(0.1)
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