cus-router1 one ethernet interface is connected to LAN siwtch 1 and cus-router2 one ethernet interface is connected to LAN switch 2
both these lan switches are interconnected and redistribute some static routes. those routes are learnt by both ISP routers. now when we removed the fast ehthernet interfce of cus-router 1 facing LAN switch, and tested the connection from a remote site to reach a network residributed via static from lan switches. a loop has occured. the packet is reaching isp router 2 and then goes to isp router 1 and forms a loop.
how do avoid this?
what can be done within ospf to avoid this and have a failover working. if any interfaces of any router fails, the redistributed routes should cause any loops
I wonder if the switches continue to redistribute some static routes even when the interface on cus-router1 is removed? It might help us figure out the problem if you could provide some configuration details from the switches and the customer routers.
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