Re: Indirect redistribution on 2 routers

From: 22Cent@gmail.com
Date: Tue Jun 21 2005 - 17:19:33 GMT-3


I've set the metric to type 1 ( for connected and Static )so thats why
"redistribute ospf 22 match external 1" worked for me. I'm sure you
are right about the default being external type 2.

On 6/21/05, Pat Chui <cui666@gmail.com> wrote:
> Just to clarify 2 things:
> 1) by default, the redistributed route is external type 2 route, so
> "redistribute ospf 22 match external 2" instead;
> 2) in this scenario, ospf router-id and bgp router-id don't have to
> match, unless you've enabled bgp syncronization and ospf happens to be
> the underlying IGP.
>
> Correct me if i am wrong.
>
> Pat
>
> On 6/21/05, 22Cent@gmail.com <22cent@gmail.com> wrote:
> > That was the trick. You guys are awsome. Thanks!!!!
> >
> > redistribute ospf 22 match external 1
> >
> >
> > On 6/20/05, George Cassels <glcassels3@nc.rr.com> wrote:
> > > David,
> > >
> > > I think you are right on with this one. I would also check the sh
> > > ip ospf and sh ip bgp to make sure the RIDs are the same, but I would
> > > also put the redistribute ospf 1 match internal external 1 external 2
> > > command.
> > >
> > > George
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > > Hoonpongsimanont, Chalermchai
> > > Sent: Monday, June 20, 2005 1:34 AM
> > > To: Lee Carter; 22Cent@gmail.com; Group Study
> > > Subject: RE: Indirect redistribution on 2 routers
> > >
> > > If I remembered correctly, OSPF will not redistribute external route
> > > into
> > > BGP by default. Could this be the reason why?
> > >
> > > David
> > > CCIE #14141
> > >
> > > -----Original Message-----
> > > From: Lee Carter [mailto:l2carter@yahoo.com]
> > > Sent: Monday, June 20, 2005 1:22 PM
> > > To: 22Cent@gmail.com; Group Study
> > > Subject: Re: Indirect redistribution on 2 routers
> > >
> > > When redistributing ospf into BGP I belive you have
> > > the same router-id to verify (hard code would be best)
> > > the router ID's on both BGP and OSPF for
> > > redistribution to work.
> > >
> > > I would say that if router 2 sees an OSPF route and
> > > you redistribute it into BGP then you should be good
> > > to go (assuming you have similar router-id's).
> > >
> > > Also, R3 (if syncronization is enabled and R2/R3 are
> > > running IBGP) then R3 would see the route in it's ibgp
> > > table ("show ip bgp") but would not install it "show
> > > ip route bgp" until you disable syncronization or
> > > somehow get it to R3 (ospf...)
> > >
> > > HTH.
> > >
> > > Lee
> > >
> > > --- "22Cent@gmail.com" <22cent@gmail.com> wrote:
> > >
> > > > Hi Group,
> > > > I've read posts on indirect redistribution on the
> > > > same router is not
> > > > possible. I wanted to post something similar that I
> > > > can not get to
> > > > work( perhaps its too late for me to be attempting
> > > > this ).
> > > > Anyways here goes.
> > > >
> > > > router 1 is runing ospf with router 2.
> > > > router 1 is redistributing its connected interface
> > > > in ospf
> > > > router 2 is able to see router 1's connected
> > > > interface throught
> > > > redistribution ( all is good)
> > > >
> > > > router 2 is a bgp neighbor with router 3
> > > > router 2 has redistribute ospf in its bgp
> > > > configuration.
> > > > router 3 is not able to see the redistributed
> > > > connected route from R1.
> > > >
> > > > Question. Does this fall into the same indirection
> > > > redistribution
> > > > issue? My thought is that since R1 is redistributing
> > > > its connected
> > > > interface to R2. why wouldn't R2 pass this info onto
> > > > R3 ?
> > > >
> > > > Any help would be great. TIA
> > > >
> > > >
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