Users Guide

VLT Bandwidth Monitoring...................................................................................................................................981
VLT and High Availability.......................................................................................................................................981
VLT and IGMP Snooping.......................................................................................................................................981
VLT and Stacking....................................................................................................................................................982
VLT IPv6................................................................................................................................................................... 982
VLT Port Delayed Restoration............................................................................................................................. 982
PIM-Sparse Mode Support on VLT.....................................................................................................................983
VLT Routing ............................................................................................................................................................984
Spanned VLANs................................................................................................................................................ 984
VLT Unicast Routing........................................................................................................................................984
VLT Multicast Routing..................................................................................................................................... 985
Non-VLT ARP Sync................................................................................................................................................986
RSTP Configuration...............................................................................................................................................986
Preventing Forwarding Loops in a VLT Domain........................................................................................ 987
Sample RSTP Configuration...........................................................................................................................987
Configuring VLT..................................................................................................................................................... 988
Configuring a VLT Interconnect................................................................................................................... 988
Enabling VLT and Creating a VLT Domain..................................................................................................989
Configuring a VLT Backup Link.....................................................................................................................990
Configuring a VLT Port Delay Period...........................................................................................................990
Reconfiguring the Default VLT Settings (Optional) .................................................................................. 991
Connecting a VLT Domain to an Attached Access Device (Switch or Server)....................................991
Configuring a VLT VLAN Peer-Down (Optional)....................................................................................... 992
Configuring Enhanced VLT (eVLT) (Optional)............................................................................................993
VLT Sample Configuration............................................................................................................................. 995
eVLT Configuration Example...............................................................................................................................998
eVLT Configuration Step Examples..............................................................................................................998
PIM-Sparse Mode Configuration Example.....................................................................................................1000
Verifying a VLT Configuration............................................................................................................................1001
Additional VLT Sample Configurations........................................................................................................... 1004
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)... 1004
Troubleshooting VLT.......................................................................................................................................... 1006
Reconfiguring Stacked Switches as VLT......................................................................................................... 1007
Specifying VLT Nodes in a PVLAN.................................................................................................................... 1007
Association of VLTi as a Member of a PVLAN..........................................................................................1008
MAC Synchronization for VLT Nodes in a PVLAN...................................................................................1008
PVLAN Operations When One VLT Peer is Down...................................................................................1009
PVLAN Operations When a VLT Peer is Restarted.................................................................................. 1009
Interoperation of VLT Nodes in a PVLAN with ARP Requests.............................................................. 1009
Scenarios for VLAN Membership and MAC Synchronization With VLT Nodes in PVLAN...............1010
Configuring a VLT VLAN or LAG in a PVLAN...................................................................................................1011
Creating a VLT LAG or a VLT VLAN............................................................................................................. 1011
Associating the VLT LAG or VLT VLAN in a PVLAN..................................................................................1012
Proxy ARP Capability on VLT Peer Nodes....................................................................................................... 1013
Working of Proxy ARP for VLT Peer Nodes...............................................................................................1013
VLT Nodes as Rendezvous Points for Multicast Resiliency......................................................................... 1014
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