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Community Member

routing OSPF over a non OSPF host

Is there a way in doing this(?):

OSPF cloud<->r1(ospf)<->rX(no ospf)<->r2(ospf)<->OSPF cloud

r1 and r2 should be neighbors and exchange routing information via OSPF. Packets should be forwarded via rX as next hop. rX should have static routes configured to forward the packets to the other router.

Think I saw a config doing this with route-maps and ospf neighbor command, but I am not sure.

Is this possible ? Does anybody know a sample config or point me in the right direction ?

Thanks

Markus

1 REPLY
Community Member

Re: routing OSPF over a non OSPF host

Hello,

I don't see why a Tunnel could not be used to form an adj. between R1 & R2.

There are a few things you will want to keep in mind:

* The IP Address used on the Tunnel Interfaces need to be in included in your OSPF network stmts

* Ensure that you have IP Connectivity to/from R2 - in this case Static routes would be required

* The is additional overhead associated with above - IP is encapsulated in IP (Consumes additional BW)

* Depending on the hardware platform and the amount of data traversing the Tunnel there may be a performance hit on the router

Regards

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