Administrator Guide

RSTP Configuration.......................................................................................................................... 842
Preventing Forwarding Loops in a VLT Domain........................................................................842
Sample RSTP Configuration....................................................................................................... 842
Configuring VLT..........................................................................................................................843
eVLT Configuration Example............................................................................................................855
eVLT Configuration Step Examples............................................................................................856
PIM-Sparse Mode Configuration Example...................................................................................... 858
Verifying a VLT Configuration.......................................................................................................... 859
Additional VLT Sample Configurations............................................................................................862
Configuring Virtual Link Trunking (VLT Peer 1)Configuring Virtual Link Trunking (VLT Peer
2)Verifying a Port-Channel Connection to a VLT Domain (From an Attached Access
Switch).........................................................................................................................................863
Troubleshooting VLT........................................................................................................................865
Reconfiguring Stacked Switches as VLT..........................................................................................866
Specifying VLT Nodes in a PVLAN....................................................................................................867
Association of VLTi as a Member of a PVLAN............................................................................868
MAC Synchronization for VLT Nodes in a PVLAN..................................................................... 868
PVLAN Operations When One VLT Peer is Down.....................................................................868
PVLAN Operations When a VLT Peer is Restarted.....................................................................869
Interoperation of VLT Nodes in a PVLAN with ARP Requests...................................................869
Scenarios for VLAN Membership and MAC Synchronization With VLT Nodes in PVLAN....... 869
Configuring a VLT VLAN or LAG in a PVLAN....................................................................................871
Creating a VLT LAG or a VLT VLAN.............................................................................................871
Associating the VLT LAG or VLT VLAN in a PVLAN....................................................................872
Proxy ARP Capability on VLT Peer Nodes........................................................................................873
Working of Proxy ARP for VLT Peer Nodes................................................................................874
VLT Nodes as Rendezvous Points for Multicast Resiliency.............................................................875
54 VLT Proxy Gateway............................................................................................876
Proxy Gateway in VLT Domains....................................................................................................... 876
LLDP organizational TLV for proxy gateway..............................................................................878
Sample Configuration Scenario for VLT Proxy Gateway...........................................................879
Configuring an LLDP VLT Proxy Gateway........................................................................................881
55 Virtual Router Redundancy Protocol (VRRP)............................................. 882
VRRP Overview................................................................................................................................. 882
VRRP Benefits....................................................................................................................................883
VRRP Implementation...................................................................................................................... 883
VRRP Configuration..........................................................................................................................884
Configuration Task List...............................................................................................................884
Setting VRRP Initialization Delay................................................................................................ 894
Sample Configurations.....................................................................................................................895