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New Member

offset/admin distance with RIP

I am looking for a way to change the admin distance and or hop count on routes learned via RIP. However, the tricky part is that I want to change a route for a certain subnet ONLY if it comes from a specific router but not all routes from that router. For instance, if I learn of subnet 1.1.1.0/24 from router A I would like it to have the default admin distance of 120. However if I get a 1.1.1.0/24 from router B then I want it to get an admin distance of say, 130 but keep all other subnets from router B to be the standard 120 distance. Is this possible?

Thanks,

Diego

4 REPLIES
Hall of Fame Super Gold

Re: offset/admin distance with RIP

I don't think what you want is possible.

The mechanism that would allow you to match an update source (route map with match ip route-source), is allowed only when redistributing in a different protocol.

And the offset-list and distance commands, let you specify subnets via ACL, not update sources.

Hope this helps, please rate post if it does!

Hall of Fame Super Bronze

Re: offset/admin distance with RIP

Let's say Router B source address is 192.168.1.3

On the router receiving this route configure the following:

ip access-list standard RIP

permit 1.1.1.0 0.0.0.255

router rip

distance 130 192.168.1.3 0.0.0.0 RIP

Hall of Fame Super Gold

Re: offset/admin distance with RIP

Very good, this syntax for distance has completely escaped me. And I looked at it for while...

New Member

Re: offset/admin distance with RIP

I will be trying this over the holiday. It does look promising.....

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