From: ying chang (ying_c@xxxxxxxxxxx)
Date: Thu Apr 04 2002 - 01:28:11 GMT-3
If DMZs (R1-R2, R4-R5) are included in the OSPF and you don't use
next-hop-self, Keith's solution should work, otherwise we'll have routing
loops.
Chang
>From: Keith E Decker <st5ba@Bayou.UH.EDU>
>Reply-To: Keith E Decker <st5ba@Bayou.UH.EDU>
>To: Michael Kilpatrick <mjkilpat@yahoo.com>
>CC: <ccielab@groupstudy.com>
>Subject: Re: BGP-OSPF redistribution
>Date: Wed, 3 Apr 2002 21:16:30 -0600 (CST)
>
>I would imagine that you could set up one router within AS3 to have the
>EBGP neighbor relationships with R1 and R5...this router could
>redistribute from BGP into OSPF (with filtering)...you'd have to use
>ebgp-multihop on the neighbor relationships configured in R1, R3, and R5,
>and maybe hard-code the update-source, as well. The catch is that R1 and
>R5 will have to know how to get to R3 to establish their TCP connection.
>
>On Wed, 3 Apr 2002, Michael Kilpatrick wrote:
>
> > 10.0.0.0 - R1 - R2 - R3 - R4 - R5 - 50.0.0.0
> >
> > R1 = AS1
> > R2,R3,R4 = AS3 + OSPF
> > R5 = AS5
> >
> > Both external routes (10.0.0.0 and 50.0.0.0) are being learned in AS3
>via EBGP
> > from different sides. I am trying to figure out a way to redistribute
>both
> > routes into OSPF on a single AS3 router. Is this possible?
> >
> > Thanks.
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