Deployment Guide
VLT Port Delayed Restoration................................................................................................................................868
PIM-Sparse Mode Support on VLT.......................................................................................................................868
VLT Multicast........................................................................................................................................................... 870
VLT Unicast Routing.................................................................................................................................................871
Non-VLT ARP Sync..................................................................................................................................................872
RSTP Conguration.......................................................................................................................................................872
Preventing Forwarding Loops in a VLT Domain....................................................................................................872
Sample RSTP Conguration................................................................................................................................... 873
Conguring VLT........................................................................................................................................................873
Conguring a VLT Interconnect............................................................................................................................. 873
Conguring a VLT Backup Link...............................................................................................................................874
Conguring a VLT Port Delay Period.....................................................................................................................875
Reconguring the Default VLT Settings (Optional) ............................................................................................875
Connecting a VLT Domain to an Attached Access Device (Switch or Server)................................................876
Conguring a VLT VLAN Peer-Down (Optional)..................................................................................................877
Congure Multi-domain VLT (mVLT) (Optional)..................................................................................................877
Verifying a VLT Conguration.................................................................................................................................879
Connecting a VLT Domain...................................................................................................................................... 882
PVST+ Conguration.................................................................................................................................................... 886
Sample PVST+ Conguration.................................................................................................................................886
mVLT Conguration Example....................................................................................................................................... 887
In Domain 1, congure the VLT domain and VLTi on Peer 1Congure mVLT on Peer 1Add links to the
mVLT port-channel on Peer 1Next, congure the VLT domain and VLTi on Peer 2Congure mVLT on
Peer 2Add links to the mVLT port-channel on Peer 2In Domain 2, congure the VLT domain and VLTi
on Peer 3Congure mVLT on Peer 3Add links to the mVLT port-channel on Peer 3Congure the VLT
domain and VLTi on Peer 4Congure mVLT on Peer 4Add links to the mVLT port-channel on Peer 4....... 888
PIM-Sparse Mode Conguration Example.................................................................................................................890
Additional VLT Sample Congurations.........................................................................................................................891
Conguring Virtual Link Trunking (VLT Peer 1)Conguring Virtual Link Trunking (VLT Peer 2)Verifying a
Port-Channel Connection to a VLT Domain (From an Attached Access Switch)............................................891
Troubleshooting VLT......................................................................................................................................................893
Specifying VLT Nodes in a PVLAN..............................................................................................................................894
Association of VLTi as a Member of a PVLAN.................................................................................................... 895
MAC Synchronization for VLT Nodes in a PVLAN..............................................................................................895
PVLAN Operations When One VLT Peer is Down...............................................................................................896
PVLAN Operations When a VLT Peer is Restarted.............................................................................................896
Interoperation of VLT Nodes in a PVLAN with ARP Requests.......................................................................... 896
Scenarios for VLAN Membership and MAC Synchronization With VLT Nodes in PVLAN............................ 896
Conguring a VLT VLAN or LAG in a PVLAN............................................................................................................ 898
Creating a VLT LAG or a VLT VLAN......................................................................................................................898
Associating the VLT LAG or VLT VLAN in a PVLAN...........................................................................................899
Proxy ARP Capability on VLT Peer Nodes................................................................................................................. 900
Working of Proxy ARP for VLT Peer Nodes.........................................................................................................900
Conguring VLAN-Stack over VLT.............................................................................................................................. 901
66 Virtual Router Redundancy Protocol (VRRP).......................................................................................... 904
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