Administrator Guide

RSTP Conguration...................................................................................................................................................... 869
Preventing Forwarding Loops in a VLT Domain................................................................................................... 869
Sample RSTP Conguration...................................................................................................................................870
Conguring VLT....................................................................................................................................................... 870
Conguring a VLT Interconnect............................................................................................................................. 870
Conguring a VLT Backup Link...............................................................................................................................871
Conguring a VLT Port Delay Period..................................................................................................................... 872
Reconguring the Default VLT Settings (Optional) ............................................................................................872
Connecting a VLT Domain to an Attached Access Device (Switch or Server)................................................873
Conguring a VLT VLAN Peer-Down (Optional)..................................................................................................874
Congure Multi-domain VLT (mVLT) (Optional)..................................................................................................874
Verifying a VLT Conguration.................................................................................................................................876
Connecting a VLT Domain...................................................................................................................................... 879
PVST+ Conguration.....................................................................................................................................................883
Sample PVST+ Conguration.................................................................................................................................883
mVLT Conguration Example.......................................................................................................................................884
In Domain 1, congure the VLT domain and VLTi on Peer 1Congure mVLT on Peer 1Add links to the
mVLT port-channel on Peer 1Next, congure the VLT domain and VLTi on Peer 2Congure mVLT on
Peer 2Add links to the mVLT port-channel on Peer 2In Domain 2, congure the VLT domain and VLTi
on Peer 3Congure mVLT on Peer 3Add links to the mVLT port-channel on Peer 3Congure the VLT
domain and VLTi on Peer 4Congure mVLT on Peer 4Add links to the mVLT port-channel on Peer 4
....... 885
PIM-Sparse Mode Conguration Example................................................................................................................. 887
Additional VLT Sample Congurations........................................................................................................................ 888
Conguring Virtual Link Trunking (VLT Peer 1)Conguring Virtual Link Trunking (VLT Peer 2)Verifying a
Port-Channel Connection to a VLT Domain (From an Attached Access Switch)........................................... 888
Troubleshooting VLT......................................................................................................................................................890
Specifying VLT Nodes in a PVLAN...............................................................................................................................891
Association of VLTi as a Member of a PVLAN.....................................................................................................892
MAC Synchronization for VLT Nodes in a PVLAN.............................................................................................. 892
PVLAN Operations When One VLT Peer is Down...............................................................................................893
PVLAN Operations When a VLT Peer is Restarted.............................................................................................893
Interoperation of VLT Nodes in a PVLAN with ARP Requests.......................................................................... 893
Scenarios for VLAN Membership and MAC Synchronization With VLT Nodes in PVLAN............................ 893
Conguring a VLT VLAN or LAG in a PVLAN............................................................................................................895
Creating a VLT LAG or a VLT VLAN......................................................................................................................895
Associating the VLT LAG or VLT VLAN in a PVLAN...........................................................................................896
Proxy ARP Capability on VLT Peer Nodes..................................................................................................................897
Working of Proxy ARP for VLT Peer Nodes......................................................................................................... 897
Conguring VLAN-Stack over VLT............................................................................................................................. 898
66 Virtual Router Redundancy Protocol (VRRP)........................................................................................... 901
VRRP Overview..............................................................................................................................................................901
VRRP Benets............................................................................................................................................................... 902
VRRP Implementation...................................................................................................................................................902
VRRP Conguration...................................................................................................................................................... 903
Conguration Task List............................................................................................................................................903
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