Reference Guide

Table Of Contents
Primary and Secondary VLT Peers.......................................................................................................................999
RSTP and VLT........................................................................................................................................................... 999
VLT Bandwidth Monitoring................................................................................................................................... 1000
VLT and Stacking.................................................................................................................................................... 1000
VLT and IGMP Snooping....................................................................................................................................... 1000
VLT IPv6....................................................................................................................................................................1000
VLT Port Delayed Restoration.............................................................................................................................. 1001
PIM-Sparse Mode Support on VLT..................................................................................................................... 1001
VLT Routing .............................................................................................................................................................1003
Non-VLT ARP Sync................................................................................................................................................ 1006
RSTP Configuration......................................................................................................................................................1006
Preventing Forwarding Loops in a VLT Domain...............................................................................................1006
Sample RSTP configuration.................................................................................................................................. 1007
Configuring VLT.......................................................................................................................................................1007
PVST+ Configuration.................................................................................................................................................... 1016
Peer Routing Configuration Example........................................................................................................................ 1017
Dell-1 Switch Configuration................................................................................................................................... 1018
Dell-2 Switch Configuration..................................................................................................................................1022
R1 Configuration...................................................................................................................................................... 1025
Access Switch A1 Configurations and Verification..........................................................................................1026
eVLT Configuration Example...................................................................................................................................... 1026
PIM-Sparse Mode Configuration Example..............................................................................................................1029
Verifying a VLT Configuration....................................................................................................................................1029
Additional VLT Sample Configurations.....................................................................................................................1032
Troubleshooting VLT.................................................................................................................................................... 1034
Reconfiguring Stacked Switches as VLT................................................................................................................ 1035
Specifying VLT Nodes in a PVLAN........................................................................................................................... 1035
Configuring a VLT VLAN or LAG in a PVLAN.........................................................................................................1039
Creating a VLT LAG or a VLT VLAN...................................................................................................................1039
Associating the VLT LAG or VLT VLAN in a PVLAN...................................................................................... 1040
Proxy ARP Capability on VLT Peer Nodes..............................................................................................................1040
VLT Nodes as Rendezvous Points for Multicast Resiliency................................................................................ 1041
Configuring VLAN-Stack over VLT...........................................................................................................................1042
IPv6 Peer Routing in VLT Domains Overview........................................................................................................1045
Configure BFD in VLT Domain................................................................................................................................... 1049
Sample BFD configuration in VLT domain.........................................................................................................1049
VXLAN on VLT...............................................................................................................................................................1053
Chapter 64: VLT Proxy Gateway...............................................................................................1056
Proxy Gateway in VLT Domains................................................................................................................................ 1056
LLDP VLT Proxy Gateway in a Square VLT Topology....................................................................................1059
Configuring a Static VLT Proxy Gateway............................................................................................................... 1060
Configuring an LLDP VLT Proxy Gateway..............................................................................................................1060
VLT Proxy Gateway Sample Topology......................................................................................................................1061
VLT Domain Configuration.....................................................................................................................................1061
Dell-1 VLT Configuration........................................................................................................................................ 1061
Dell-2 VLT Configuration....................................................................................................................................... 1062
Dell-3 VLT Configuration....................................................................................................................................... 1063
Dell-4 VLT Configuration....................................................................................................................................... 1064
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