From: Jamie Caesar (jamie.caesar@gmail.com)
Date: Wed Jul 20 2005 - 08:23:36 GMT-3
I've used both in our implementation, and the only reason I've chose
one over another was because I didn't want to type a large number
(30+) of network statements on the bigger routers.
It will alter the routes slightly in BGP since they will have an
"incomplete" origin in BGP instead of "IGP", but in our case, the BGP
decision process never has to use the origin metric to make a
decision, so it doesn't cause us any issues.
The only other issue you might run into is stopping the advertisement
of a particular connected network. You might want to add a route-map
to your redistribute statement, even if it allows everything, just so
you can add another entry later if you need to block a route. I'd do
the same thing if you redistribute statics as well. Nothing prevents
you from adding it later, but it might save you a few minutes if you
are in a crunch and need to block an advertisement.
Jamie
On 7/19/05, Barry Templeton <barryt28078@yahoo.com> wrote:
> I am converting my companies network from a hub and
> spoke frame relay design to a MPLS setup. There are 36
> sites. The sites do not have any need to send traffic
> to one another during normal operation but there are
> some point to point and ISDN circuits between some of
> the sites for use when the primary network is not
> available. We are going to run BGP between us and the
> MPLS provider.
>
> My question is whether it would be better to
> redistribute connected interfaces into BGP at the
> remote sites or to use BGP network statements. The
> main difference that I can see is that there would be
> less typing just to redistribute connected. Is there a
> compelling reason to choose either option?
>
>
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