Users Guide
VLT and Stacking.....................................................................................................................................................964
VLT and IGMP Snooping........................................................................................................................................ 964
VLT IPv6................................................................................................................................................................... 965
VLT Port Delayed Restoration................................................................................................................................965
PIM-Sparse Mode Support on VLT.......................................................................................................................965
VLT Routing .............................................................................................................................................................967
Non-VLT ARP Sync................................................................................................................................................. 970
RSTP Conguration........................................................................................................................................................971
Preventing Forwarding Loops in a VLT Domain.................................................................................................... 971
Sample RSTP conguration.................................................................................................................................... 971
Conguring VLT........................................................................................................................................................972
PVST+ Conguration.....................................................................................................................................................982
Sample PVST+ Conguration.................................................................................................................................983
Peer Routing Conguration Example.......................................................................................................................... 983
Dell-1 Switch Conguration.....................................................................................................................................984
Dell-2 Switch Conguration....................................................................................................................................988
R1 Conguration....................................................................................................................................................... 991
Access Switch A1 Congurations and Verication.............................................................................................. 992
eVLT Conguration Example........................................................................................................................................993
eVLT Conguration Step Examples.......................................................................................................................993
PIM-Sparse Mode Conguration Example.................................................................................................................995
Verifying a VLT Conguration...................................................................................................................................... 996
Additional VLT Sample Congurations........................................................................................................................999
Troubleshooting VLT.....................................................................................................................................................1001
Reconguring Stacked Switches as VLT.................................................................................................................. 1002
Specifying VLT Nodes in a PVLAN............................................................................................................................ 1002
Association of VLTi as a Member of a PVLAN...................................................................................................1003
MAC Synchronization for VLT Nodes in a PVLAN.............................................................................................1003
PVLAN Operations When One VLT Peer is Down.............................................................................................1004
PVLAN Operations When a VLT Peer is Restarted........................................................................................... 1004
Interoperation of VLT Nodes in a PVLAN with ARP Requests.........................................................................1004
Scenarios for VLAN Membership and MAC Synchronization With VLT Nodes in PVLAN...........................1004
Conguring a VLT VLAN or LAG in a PVLAN.......................................................................................................... 1006
Creating a VLT LAG or a VLT VLAN.................................................................................................................... 1006
Associating the VLT LAG or VLT VLAN in a PVLAN..........................................................................................1007
Proxy ARP Capability on VLT Peer Nodes................................................................................................................1008
Working of Proxy ARP for VLT Peer Nodes....................................................................................................... 1008
VLT Nodes as Rendezvous Points for Multicast Resiliency....................................................................................1009
Conguring VLAN-Stack over VLT............................................................................................................................1009
IPv6 Peer Routing in VLT Domains Overview........................................................................................................... 1013
IPv6 Peer Routing...................................................................................................................................................1013
Synchronization of IPv6 ND Entries in a VLT Domain........................................................................................1013
Synchronization of IPv6 ND Entries in a Non-VLT Domain............................................................................... 1014
Tunneling IPv6 ND in a VLT Domain..................................................................................................................... 1014
Sample Conguration of IPv6 Peer Routing in a VLT Domain.......................................................................... 1015
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