On Sat, Oct 23, 2010 at 8:02 PM, Henning Brauer <lists-open...@bsws.de>wrote:

> * Tony Sarendal <t...@polarcap.org> [2010-10-23 19:03]:
> > How does OpenBSD handle the same prefix being in both bgpd and ospfd ?
>
> in general? OSPF routes have priority over BGP routes. that's
> implemented kernel routing table side and the daemons setting the
> priority field to their respective priorities when inserting their
> routes.
>
>
Does this mean that bgpd and ospfd can happily co-exist on the same box ?

As an example:
Prefix A shows up in BGP, later it shows up in OSPF,
even later it is withdrawn from OSPF. Will the prefix in BGP now be in the
fib ?

OSPF being the winner is not optimal in my case, but being predictable
is good enough.

> I connect devices to the core network using two core routers and
> > redistributing
> > BGP->OSPF would be happening on both of them.
>
> that I dunno OTOH
>
>
Being able to redist BGP->OSPF and not connecting ospfd to the fib would
do what I want. Unfortunately the manpage for ospfd.conf doesn't seem to
support
this setup.

     fib-update (yes|no)
             If set to no, do not update the Forwarding Information Base,
             a.k.a. the kernel routing table.  The default is yes.  Setting
             fib-update to no will implicitly set the stub router option to
             ensure that no traffic tries to transit via this router.


Regards Tony

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