I'm trying to build redundant metro e links from two providers. Both links terminate into two 4507 switches on each end.
Link A is in production, Link B needs to be a standby only if A fails. The two different providers have given different Vlan IDs to tag my traffic for transport through their network. The Diagram is like so:
LinkA Vlan 400 LinkA
LinkB Vlan 500 LinkB
My local network faces 4507_1 as default GW, which faces the 4507_2 as its GW, which faces our internet routers (7204s).
Currently everything is statically routed, and I've had a suggestion to use EIGRP, but I have no idea how to implement this using inter-vlan routing. I'd prefer to keep it simple using object tracking, or GLBP, but again, having the two different Vlans that connect together has thrown me for a loop. If I have two routable SVI interfaces, how do I setup that up on the Clients, or use that for failover?
You may also consider the Enhanced Interior Gateway Routing Protocol (EIGRP) Stub Routing feature. This feature improves network stability, reduces resource utilization, and simplifies stub router configuration.
This document gives several answers on frequently asked questions for PFRv3 channel state behavior.
Q1: What are all the channel operational states from a BR (border role) perspective and what are the rules/conditions to be in each st...
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