Connectivity Guide

Table Of Contents
VLT and IGMP Snooping......................................................................................................................................... 987
VLT IPv6......................................................................................................................................................................987
VLT Port Delayed Restoration............................................................................................................................... 988
PIM-Sparse Mode Support on VLT...................................................................................................................... 988
VLT Routing .............................................................................................................................................................. 990
Non-VLT ARP Sync.................................................................................................................................................. 993
RSTP Configuration....................................................................................................................................................... 993
Preventing Forwarding Loops in a VLT Domain................................................................................................ 993
Sample RSTP configuration....................................................................................................................................994
Configuring VLT........................................................................................................................................................ 994
PVST+ Configuration................................................................................................................................................... 1003
Peer Routing Configuration Example....................................................................................................................... 1004
Dell-1 Switch Configuration.................................................................................................................................. 1005
Dell-2 Switch Configuration..................................................................................................................................1009
R1 Configuration....................................................................................................................................................... 1012
Access Switch A1 Configurations and Verification.......................................................................................... 1013
eVLT Configuration Example.......................................................................................................................................1013
PIM-Sparse Mode Configuration Example...............................................................................................................1016
Verifying a VLT Configuration.....................................................................................................................................1016
Additional VLT Sample Configurations..................................................................................................................... 1019
Troubleshooting VLT..................................................................................................................................................... 1021
Reconfiguring Stacked Switches as VLT................................................................................................................ 1022
Specifying VLT Nodes in a PVLAN........................................................................................................................... 1022
Configuring a VLT VLAN or LAG in a PVLAN.........................................................................................................1026
Creating a VLT LAG or a VLT VLAN...................................................................................................................1026
Associating the VLT LAG or VLT VLAN in a PVLAN.......................................................................................1027
Proxy ARP Capability on VLT Peer Nodes.............................................................................................................. 1027
VLT Nodes as Rendezvous Points for Multicast Resiliency............................................................................... 1028
Configuring VLAN-Stack over VLT...........................................................................................................................1029
IPv6 Peer Routing in VLT Domains Overview........................................................................................................ 1032
VXLAN on VLT...............................................................................................................................................................1036
Chapter 64: VLT Proxy Gateway...............................................................................................1039
Proxy Gateway in VLT Domains................................................................................................................................ 1039
LLDP VLT Proxy Gateway in a Square VLT Topology....................................................................................1042
Configuring a Static VLT Proxy Gateway................................................................................................................1043
Configuring an LLDP VLT Proxy Gateway.............................................................................................................. 1043
VLT Proxy Gateway Sample Topology.....................................................................................................................1044
VLT Domain Configuration.................................................................................................................................... 1044
Dell-1 VLT Configuration........................................................................................................................................1044
Dell-2 VLT Configuration....................................................................................................................................... 1045
Dell-3 VLT Configuration....................................................................................................................................... 1046
Dell-4 VLT Configuration....................................................................................................................................... 1047
Chapter 65: Virtual Extensible LAN (VXLAN)........................................................................... 1048
Components of VXLAN network............................................................................................................................... 1049
Functional Overview of VXLAN Gateway............................................................................................................... 1050
VXLAN Frame Format..................................................................................................................................................1050
Limitations on VXLAN ..................................................................................................................................................1051
Contents
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