Re: BGP and filtering redist OSPF E1 route

From: Chad Marsh (chad@xxxxxx)
Date: Fri Sep 17 1999 - 10:43:21 GMT-3


   
Bill, I've modified your config below, try that and see if it works. It
may not be the most economical way to accomplish you task, but I think
it will work. Let me know what you find.

Chad Marsh

Bill Wade wrote:
>
> I got a couple of suggestions offline and still stuck. I hope my reply summ
arizes where I'm at.
>
> I'm using the bgp cmd -
>
> redistribute ospf 2 match external 1
>
> and the E1 route is going out E0 to AS 254 fine. But I DON'T want to send i
t out S0.1. Using distribute list out with an access-list denying the E1 rout
e is NOT working as it apppears at R1 and R3 as a BGP route (AD of 20) overrid
ing the OSPF E1 (AD of 110). R2 is the hub of a Frame relay with R1 and R3 as
 the spokes. R1, R2 and R3 are in OSPF area 0.
>
> I also tried distribute list in on R1 and R3 but the route still comes in.
Looks simple but it isn't working.
>
> Must have a routing loop here somewhere....
>
> Bill
>
> >!
> >router bgp 1032
> > no synchronization
> > aggregate-address 197.68.0.0 255.255.0.0 suppress-map allow
> > redistribute ospf 2 match external 1
> > neighbor 150.100.26.26 remote-as 254
> > neighbor 150.100.26.26 next-hop-self
> > neighbor 150.100.33.1 remote-as 1099
> > neighbor 150.100.33.1 next-hop-self
> > neighbor 150.100.33.1 route-map filter150
> > neighbor 150.100.33.3 remote-as 1033
> > neighbor 150.100.33.3 next-hop-self
> > neighbor 150.100.33.3 route-map filter150
> > no auto-summary
> >!
> >ip classless
> >!
> >access-list 6 deny 197.68.22.0 0.0.0.255
> >access-list 6 permit any
> >access-list 77 deny 155.100.0.0 0.0.255.255
> >access-list 77 permit any
> >route-map allow permit 10
> > match ip address 6
> >!
> >route-map filter150 deny 10
> > match ip address 77
> >!
> >route-map filter150 permit 20
> >!



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