From: Joe Jia (ellenjjl@xxxxxxxxxx)
Date: Sun Jun 02 2002 - 21:35:01 GMT-3
Hi,
As I understand, also reading Internet Routing Archetecture(2nd edtion), in
order to prevent routing loop, iBGP will nver be redistributed into OSPF.
So you need to select which point to redistribute this specifical route on
the router where it is learned. If wrong, please correct me.
Joe
----- Original Message -----
From: "Carlos G Mendioroz" <tron@huapi.ba.ar>
To: "David Ham" <ccieau@hotmail.com>
Cc: <trussell@ibeam.com>; <ccielab@groupstudy.com>
Sent: Friday, May 31, 2002 7:10 PM
Subject: Re: BGP into ospf
> Or it could be a connected network (local) in which case,
> you would need to redistribute connected to make it work.
>
> This seems to be a loop prevention system...
>
> David Ham wrote:
> >
> > Tony,
> >
> > It looks like synchronisation problem.
> >
> > Do the " NO SYN" or try match Router ID on BGP and OSPF.
> >
> > David Ham
> > OPTUS
> >
> > >From: Tony Russell <trussell@ibeam.com>
> > >Reply-To: Tony Russell <trussell@ibeam.com>
> > >To: "'ccielab@groupstudy.com'" <ccielab@groupstudy.com>
> > >Subject: BGP into ospf
> > >Date: Fri, 31 May 2002 11:39:08 -0500
> > >
> > >I am trying to redistribute some BGP routes into OSPF.. one of the
routes
> > >is
> > >making it and the other is not.... I am unsure as to why.. can anyone
shed
> > >any light on this???? I am wondering if there is anything specific
that I
> > >should know about BGP to OSPF redistribution that I am obviously
missing.
> > >Here are some specifics
> > >
> > > 172.168.0.0/24 is subnetted, 2 subnets
> > >B 172.168.70.0 [20/170] via 137.20.10.70, 00:10:46
> > >B 172.168.80.0 [200/170] via 137.20.86.1, 00:00:49
> > >
> > >The 172.168.70.0 route is making it to the next router but the
172.168.80.0
> > >is not.
> > >
> > >Here are the bgp entries
> > >
> > >*> 172.168.70.0/24 137.20.10.70 170 0 3 i
> > >*>i172.168.80.0/24 137.20.86.1 170 100 0 1 i
> > >
> > >The 80 route shows the i for iBGP, but I thought it should still make
it
> > >into OSPF
> > >
> > >Here is the redistribute command
> > >redistribute bgp 2 metric 1592 subnets
> > >
> > >Lets say that R1 has the BGP routes and R1 and R2 are running OSPF....
> > >after
> > >redistributing BGP into OSPF I fully expected both routes to show...
but
> > >only one does....
> > >
> > >Tony Russell
> > >Media Engineer
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