Administrator Guide

Additional ARP Refresh on VLTi.............................................................................................................................901
PIM-Sparse Mode Support on VLT...................................................................................................................... 902
VLT Routing .............................................................................................................................................................. 904
Non-VLT ARP Sync.................................................................................................................................................. 907
RSTP Configuration........................................................................................................................................................907
Preventing Forwarding Loops in a VLT Domain................................................................................................ 907
Sample RSTP configuration....................................................................................................................................908
Configuring VLT........................................................................................................................................................ 908
PVST+ Configuration......................................................................................................................................................917
Peer Routing Configuration Example..........................................................................................................................918
Dell-1 Switch Configuration.....................................................................................................................................919
Dell-2 Switch Configuration................................................................................................................................... 923
R1 Configuration........................................................................................................................................................926
Access Switch A1 Configurations and Verification........................................................................................... 927
eVLT Configuration Example........................................................................................................................................927
PIM-Sparse Mode Configuration Example................................................................................................................930
Verifying a VLT Configuration..................................................................................................................................... 930
Additional VLT Sample Configurations...................................................................................................................... 933
Troubleshooting VLT......................................................................................................................................................935
Reconfiguring Stacked Switches as VLT.................................................................................................................. 936
Specifying VLT Nodes in a PVLAN............................................................................................................................. 937
Configuring a VLT VLAN or LAG in a PVLAN.......................................................................................................... 940
Creating a VLT LAG or a VLT VLAN.................................................................................................................... 940
Associating the VLT LAG or VLT VLAN in a PVLAN.........................................................................................941
Proxy ARP Capability on VLT Peer Nodes................................................................................................................ 941
VLT Nodes as Rendezvous Points for Multicast Resiliency................................................................................. 943
Configuring VLAN-Stack over VLT............................................................................................................................ 943
Configure BFD in VLT Domain.....................................................................................................................................946
Sample BFD configuration in VLT domain...........................................................................................................946
IPv6 Peer Routing in VLT Domains Overview......................................................................................................... 950
Chapter 59: VLT Proxy Gateway................................................................................................ 955
Proxy Gateway in VLT Domains..................................................................................................................................955
LLDP VLT Proxy Gateway in a Square VLT Topology..................................................................................... 958
Configuring a Static VLT Proxy Gateway.................................................................................................................959
Configuring an LLDP VLT Proxy Gateway................................................................................................................959
VLT Proxy Gateway Sample Topology...................................................................................................................... 960
VLT Domain Configuration......................................................................................................................................960
Dell-1 VLT Configuration......................................................................................................................................... 960
Dell-2 VLT Configuration......................................................................................................................................... 961
Dell-3 VLT Configuration.........................................................................................................................................962
Dell-4 VLT Configuration.........................................................................................................................................963
Chapter 60: Virtual Routing and Forwarding (VRF)....................................................................964
VRF Overview..................................................................................................................................................................964
VRF Configuration Notes..............................................................................................................................................965
DHCP............................................................................................................................................................................967
VRF Configuration.......................................................................................................................................................... 967
Loading VRF CAM.....................................................................................................................................................967
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