Administrator Guide
VLT Port Delayed Restoration................................................................................................................................984
PIM-Sparse Mode Support on VLT.......................................................................................................................984
VLT Routing .............................................................................................................................................................986
Non-VLT ARP Sync................................................................................................................................................. 989
RSTP Conguration...................................................................................................................................................... 990
Preventing Forwarding Loops in a VLT Domain................................................................................................... 990
Sample RSTP conguration................................................................................................................................... 990
Conguring VLT........................................................................................................................................................991
PVST+ Conguration....................................................................................................................................................1001
Sample PVST+ Conguration............................................................................................................................... 1002
Peer Routing Conguration Example.........................................................................................................................1002
Dell-1 Switch Conguration...................................................................................................................................1003
Dell-2 Switch Conguration.................................................................................................................................. 1007
R1 Conguration......................................................................................................................................................1010
Access Switch A1 Congurations and Verication.............................................................................................. 1011
eVLT Conguration Example....................................................................................................................................... 1012
eVLT Conguration Step Examples...................................................................................................................... 1012
PIM-Sparse Mode Conguration Example................................................................................................................ 1014
Verifying a VLT Conguration......................................................................................................................................1015
Additional VLT Sample Congurations....................................................................................................................... 1018
Troubleshooting VLT.................................................................................................................................................... 1020
Reconguring Stacked Switches as VLT................................................................................................................... 1021
Specifying VLT Nodes in a PVLAN............................................................................................................................. 1021
Association of VLTi as a Member of a PVLAN................................................................................................... 1022
MAC Synchronization for VLT Nodes in a PVLAN.............................................................................................1022
PVLAN Operations When One VLT Peer is Down............................................................................................. 1023
PVLAN Operations When a VLT Peer is Restarted........................................................................................... 1023
Interoperation of VLT Nodes in a PVLAN with ARP Requests.........................................................................1023
Scenarios for VLAN Membership and MAC Synchronization With VLT Nodes in PVLAN...........................1023
Conguring a VLT VLAN or LAG in a PVLAN...........................................................................................................1025
Creating a VLT LAG or a VLT VLAN.................................................................................................................... 1025
Associating the VLT LAG or VLT VLAN in a PVLAN......................................................................................... 1026
Proxy ARP Capability on VLT Peer Nodes................................................................................................................ 1027
Working of Proxy ARP for VLT Peer Nodes........................................................................................................1027
VLT Nodes as Rendezvous Points for Multicast Resiliency....................................................................................1028
Conguring VLAN-Stack over VLT............................................................................................................................ 1028
IPv6 Peer Routing in VLT Domains Overview...........................................................................................................1032
IPv6 Peer Routing.................................................................................................................................................. 1032
Synchronization of IPv6 ND Entries in a VLT Domain....................................................................................... 1032
Synchronization of IPv6 ND Entries in a Non-VLT Domain...............................................................................1033
Tunneling IPv6 ND in a VLT Domain.....................................................................................................................1033
Sample Conguration of IPv6 Peer Routing in a VLT Domain..........................................................................1034
62 VLT Proxy Gateway................................................................................................................................ 1038
Proxy Gateway in VLT Domains..................................................................................................................................1038
Guidelines for Enabling the VLT Proxy Gateway................................................................................................ 1039
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