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Table Of Contents
Preventing Forwarding Loops in a VLT Domain.................................................................................................897
Sample RSTP configuration....................................................................................................................................897
Configuring VLT........................................................................................................................................................ 898
PVST+ Configuration.....................................................................................................................................................906
Peer Routing Configuration Example......................................................................................................................... 907
Dell-1 Switch Configuration....................................................................................................................................908
Dell-2 Switch Configuration.................................................................................................................................... 912
R1 Configuration.........................................................................................................................................................915
Access Switch A1 Configurations and Verification............................................................................................ 916
eVLT Configuration Example........................................................................................................................................ 916
PIM-Sparse Mode Configuration Example................................................................................................................ 919
Verifying a VLT Configuration...................................................................................................................................... 919
Additional VLT Sample Configurations...................................................................................................................... 922
Troubleshooting VLT......................................................................................................................................................924
Reconfiguring Stacked Switches as VLT.................................................................................................................. 925
Specifying VLT Nodes in a PVLAN.............................................................................................................................925
Configuring a VLT VLAN or LAG in a PVLAN.......................................................................................................... 929
Creating a VLT LAG or a VLT VLAN.................................................................................................................... 929
Associating the VLT LAG or VLT VLAN in a PVLAN........................................................................................930
Proxy ARP Capability on VLT Peer Nodes................................................................................................................930
VLT Nodes as Rendezvous Points for Multicast Resiliency..................................................................................931
Configuring VLAN-Stack over VLT............................................................................................................................ 932
Configure BFD in VLT Domain.....................................................................................................................................935
Sample BFD configuration in VLT domain...........................................................................................................935
IPv6 Peer Routing in VLT Domains Overview..........................................................................................................938
Chapter 59: VLT Proxy Gateway................................................................................................ 943
Proxy Gateway in VLT Domains.................................................................................................................................. 943
LLDP VLT Proxy Gateway in a Square VLT Topology..................................................................................... 946
Configuring a Static VLT Proxy Gateway................................................................................................................. 947
Configuring an LLDP VLT Proxy Gateway................................................................................................................947
VLT Proxy Gateway Sample Topology...................................................................................................................... 948
VLT Domain Configuration......................................................................................................................................948
Dell-1 VLT Configuration......................................................................................................................................... 948
Dell-2 VLT Configuration.........................................................................................................................................949
Dell-3 VLT Configuration........................................................................................................................................ 950
Dell-4 VLT Configuration......................................................................................................................................... 951
Chapter 60: Virtual Routing and Forwarding (VRF)....................................................................952
VRF Overview..................................................................................................................................................................952
VRF Configuration Notes..............................................................................................................................................953
DHCP........................................................................................................................................................................... 955
VRF Configuration.......................................................................................................................................................... 955
Loading VRF CAM.................................................................................................................................................... 955
Creating a Non-Default VRF Instance................................................................................................................. 955
Assigning an Interface to a VRF............................................................................................................................955
Assigning a Front-end Port to a Management VRF......................................................................................... 955
View VRF Instance Information.............................................................................................................................956
Assigning an OSPF Process to a VRF Instance.................................................................................................956
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