Users Guide

Table Of Contents
Primary and Secondary VLT Peers........................................................................................................................ 997
RSTP and VLT..........................................................................................................................................................998
VLT Bandwidth Monitoring.....................................................................................................................................998
VLT and Stacking.....................................................................................................................................................998
VLT and IGMP Snooping........................................................................................................................................ 998
VLT IPv6................................................................................................................................................................... 999
VLT Port Delayed Restoration................................................................................................................................999
PIM-Sparse Mode Support on VLT.......................................................................................................................999
VLT Routing ............................................................................................................................................................1001
Non-VLT ARP Sync................................................................................................................................................1004
RSTP Conguration.....................................................................................................................................................1005
Preventing Forwarding Loops in a VLT Domain................................................................................................. 1005
Sample RSTP conguration..................................................................................................................................1005
Conguring VLT......................................................................................................................................................1006
PVST+ Conguration....................................................................................................................................................1016
Sample PVST+ Conguration................................................................................................................................ 1017
Peer Routing Conguration Example..........................................................................................................................1017
Dell-1 Switch Conguration....................................................................................................................................1018
Dell-2 Switch Conguration.................................................................................................................................. 1022
R1 Conguration.....................................................................................................................................................1025
Access Switch A1 Congurations and Verication.............................................................................................1026
eVLT Conguration Example.......................................................................................................................................1027
eVLT Conguration Step Examples......................................................................................................................1027
PIM-Sparse Mode Conguration Example............................................................................................................... 1029
Verifying a VLT Conguration.....................................................................................................................................1030
Additional VLT Sample Congurations.......................................................................................................................1033
Troubleshooting VLT.................................................................................................................................................... 1035
Reconguring Stacked Switches as VLT...................................................................................................................1036
Specifying VLT Nodes in a PVLAN............................................................................................................................ 1036
Association of VLTi as a Member of a PVLAN................................................................................................... 1037
MAC Synchronization for VLT Nodes in a PVLAN.............................................................................................1037
PVLAN Operations When One VLT Peer is Down............................................................................................. 1038
PVLAN Operations When a VLT Peer is Restarted........................................................................................... 1038
Interoperation of VLT Nodes in a PVLAN with ARP Requests.........................................................................1038
Scenarios for VLAN Membership and MAC Synchronization With VLT Nodes in PVLAN...........................1038
Conguring a VLT VLAN or LAG in a PVLAN...........................................................................................................1040
Creating a VLT LAG or a VLT VLAN.................................................................................................................... 1040
Associating the VLT LAG or VLT VLAN in a PVLAN.......................................................................................... 1041
Proxy ARP Capability on VLT Peer Nodes................................................................................................................ 1042
Working of Proxy ARP for VLT Peer Nodes........................................................................................................1042
VLT Nodes as Rendezvous Points for Multicast Resiliency....................................................................................1043
Conguring VLAN-Stack over VLT............................................................................................................................1043
IPv6 Peer Routing in VLT Domains Overview...........................................................................................................1047
IPv6 Peer Routing.................................................................................................................................................. 1047
Synchronization of IPv6 ND Entries in a VLT Domain....................................................................................... 1047
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