Administrator Guide

Primary and Secondary VLT Peers........................................................................................................................... 945
RSTP and VLT............................................................................................................................................................. 945
VLT Bandwidth Monitoring........................................................................................................................................946
VLT and Stacking........................................................................................................................................................ 946
VLT and IGMP Snooping............................................................................................................................................946
VLT IPv6.......................................................................................................................................................................946
VLT Port Delayed Restoration...................................................................................................................................946
PIM-Sparse Mode Support on VLT.......................................................................................................................... 947
VLT Routing ................................................................................................................................................................ 948
Non-VLT ARP Sync.....................................................................................................................................................951
RSTP Configuration...........................................................................................................................................................951
Preventing Forwarding Loops in a VLT Domain.......................................................................................................951
Sample RSTP configuration.......................................................................................................................................952
Configuring VLT.......................................................................................................................................................... 952
PVST+ Configuration........................................................................................................................................................ 961
Peer Routing Configuration Example............................................................................................................................. 962
Dell-1 Switch Configuration........................................................................................................................................962
Dell-2 Switch Configuration.......................................................................................................................................966
R1 Configuration.......................................................................................................................................................... 969
Access Switch A1 Configurations and Verification..................................................................................................970
eVLT Configuration Example............................................................................................................................................971
PIM-Sparse Mode Configuration Example.....................................................................................................................973
Verifying a VLT Configuration..........................................................................................................................................973
Additional VLT Sample Configurations........................................................................................................................... 976
Troubleshooting VLT.........................................................................................................................................................978
Reconfiguring Stacked Switches as VLT....................................................................................................................... 979
Specifying VLT Nodes in a PVLAN................................................................................................................................. 979
Configuring a VLT VLAN or LAG in a PVLAN................................................................................................................982
Creating a VLT LAG or a VLT VLAN.........................................................................................................................982
Associating the VLT LAG or VLT VLAN in a PVLAN..............................................................................................983
Proxy ARP Capability on VLT Peer Nodes.....................................................................................................................984
VLT Nodes as Rendezvous Points for Multicast Resiliency........................................................................................ 985
Configuring VLAN-Stack over VLT................................................................................................................................ 985
IPv6 Peer Routing in VLT Domains Overview...............................................................................................................988
Configure BFD in VLT Domain.........................................................................................................................................992
Sample BFD configuration in VLT domain................................................................................................................992
VXLAN on VLT.................................................................................................................................................................. 996
64 VLT Proxy Gateway.................................................................................................................998
Proxy Gateway in VLT Domains......................................................................................................................................998
LLDP VLT Proxy Gateway in a Square VLT Topology...........................................................................................1001
Configuring a Static VLT Proxy Gateway.....................................................................................................................1002
Configuring an LLDP VLT Proxy Gateway...................................................................................................................1002
VLT Proxy Gateway Sample Topology......................................................................................................................... 1002
VLT Domain Configuration....................................................................................................................................... 1003
Dell-1 VLT Configuration........................................................................................................................................... 1003
Dell-2 VLT Configuration.......................................................................................................................................... 1004
Dell-3 VLT Configuration.......................................................................................................................................... 1005
Dell-4 VLT Configuration.......................................................................................................................................... 1006
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