Users Guide

VLT and IGMP Snooping.................................................................................................................1073
VLT and Stacking.............................................................................................................................1073
VLT IPv6...........................................................................................................................................1073
VLT Port Delayed Restoration........................................................................................................ 1073
PIM-Sparse Mode Support on VLT.................................................................................................1074
VLT Routing ....................................................................................................................................1075
Spanned VLANs......................................................................................................................... 1075
VLT Unicast Routing..................................................................................................................1076
VLT Multicast Routing...............................................................................................................1076
Non-VLT ARP Sync......................................................................................................................... 1078
RSTP Configuration........................................................................................................................ 1078
Preventing Forwarding Loops in a VLT Domain...................................................................... 1078
Sample RSTP Configuration..................................................................................................... 1079
Configuring VLT..............................................................................................................................1079
Configuring a VLT Interconnect.............................................................................................. 1080
Enabling VLT and Creating a VLT Domain.............................................................................. 1080
Configuring a VLT Backup Link................................................................................................ 1081
Configuring a VLT Port Delay Period....................................................................................... 1082
Reconfiguring the Default VLT Settings (Optional) ................................................................ 1082
Connecting a VLT Domain to an Attached Access Device (Switch or Server).......................1083
Configuring a VLT VLAN Peer-Down (Optional).....................................................................1084
Configuring Enhanced VLT (eVLT) (Optional)......................................................................... 1085
VLT Sample Configuration........................................................................................................1087
eVLT Configuration Example..........................................................................................................1091
eVLT Configuration Step Examples..........................................................................................1091
PIM-Sparse Mode Configuration Example.................................................................................... 1093
Verifying a VLT Configuration........................................................................................................1094
Additional VLT Sample Configurations.......................................................................................... 1097
Configuring Virtual Link Trunking (VLT Peer 1)Configuring Virtual Link Trunking (VLT Peer
2)Verifying a Port-Channel Connection to a VLT Domain (From an Attached Access
Switch).......................................................................................................................................1098
Troubleshooting VLT......................................................................................................................1099
Reconfiguring Stacked Switches as VLT.........................................................................................1101
Specifying VLT Nodes in a PVLAN...................................................................................................1101
Association of VLTi as a Member of a PVLAN.......................................................................... 1102
MAC Synchronization for VLT Nodes in a PVLAN....................................................................1103
PVLAN Operations When One VLT Peer is Down....................................................................1103
PVLAN Operations When a VLT Peer is Restarted................................................................... 1103
Interoperation of VLT Nodes in a PVLAN with ARP Requests................................................. 1104
Scenarios for VLAN Membership and MAC Synchronization With VLT Nodes in PVLAN......1104
Configuring a VLT VLAN or LAG in a PVLAN..................................................................................1106
Creating a VLT LAG or a VLT VLAN.......................................................................................... 1106
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