Concept Guide

VLT Bandwidth Monitoring...................................................................................................................................1000
VLT and Stacking................................................................................................................................................... 1000
VLT and IGMP Snooping.......................................................................................................................................1000
VLT IPv6...................................................................................................................................................................1001
VLT Port Delayed Restoration............................................................................................................................... 1001
PIM-Sparse Mode Support on VLT...................................................................................................................... 1001
VLT Routing ........................................................................................................................................................... 1003
Non-VLT ARP Sync................................................................................................................................................1006
RSTP Conguration..................................................................................................................................................... 1007
Preventing Forwarding Loops in a VLT Domain..................................................................................................1007
Sample RSTP conguration..................................................................................................................................1007
Conguring VLT......................................................................................................................................................1008
PVST+ Conguration....................................................................................................................................................1018
Sample PVST+ Conguration................................................................................................................................1019
Peer Routing Conguration Example......................................................................................................................... 1019
Dell-1 Switch Conguration...................................................................................................................................1020
Dell-2 Switch Conguration.................................................................................................................................. 1024
R1 Conguration..................................................................................................................................................... 1027
Access Switch A1 Congurations and Verication.............................................................................................1028
eVLT Conguration Example...................................................................................................................................... 1029
eVLT Conguration Step Examples..................................................................................................................... 1029
PIM-Sparse Mode Conguration Example................................................................................................................ 1031
Verifying a VLT Conguration.....................................................................................................................................1032
Additional VLT Sample Congurations.......................................................................................................................1035
Troubleshooting VLT.....................................................................................................................................................1037
Reconguring Stacked Switches as VLT...................................................................................................................1038
Specifying VLT Nodes in a PVLAN............................................................................................................................ 1038
Association of VLTi as a Member of a PVLAN................................................................................................... 1039
MAC Synchronization for VLT Nodes in a PVLAN.............................................................................................1039
PVLAN Operations When One VLT Peer is Down.............................................................................................1040
PVLAN Operations When a VLT Peer is Restarted........................................................................................... 1040
Interoperation of VLT Nodes in a PVLAN with ARP Requests.........................................................................1040
Scenarios for VLAN Membership and MAC Synchronization With VLT Nodes in PVLAN...........................1040
Conguring a VLT VLAN or LAG in a PVLAN...........................................................................................................1042
Creating a VLT LAG or a VLT VLAN.................................................................................................................... 1042
Associating the VLT LAG or VLT VLAN in a PVLAN......................................................................................... 1043
Proxy ARP Capability on VLT Peer Nodes................................................................................................................ 1044
Working of Proxy ARP for VLT Peer Nodes........................................................................................................1044
VLT Nodes as Rendezvous Points for Multicast Resiliency....................................................................................1045
Conguring VLAN-Stack over VLT............................................................................................................................1045
IPv6 Peer Routing in VLT Domains Overview.......................................................................................................... 1049
IPv6 Peer Routing..................................................................................................................................................1049
Synchronization of IPv6 ND Entries in a VLT Domain....................................................................................... 1049
Synchronization of IPv6 ND Entries in a Non-VLT Domain.............................................................................. 1050
Tunneling IPv6 ND in a VLT Domain.................................................................................................................... 1050
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