[6bone] [NOTIFY] XS26 service/peering outage

Jan Oravec Jan Oravec <jan.oravec@6com.sk>
Thu, 19 Dec 2002 09:05:48 +0100


On Wed, Dec 18, 2002 at 09:22:45AM +0100, Jesper Skriver wrote:
> On Tue, Dec 17, 2002 at 05:06:00PM -0500, John Fraizer wrote:
> 
> > In most cases, no.
> >
> > Think about it.  Why on earth would you want to carry 5000 prefixes in
> > your IGP/EGP when a single aggregate for each router will do?
> >
> > Why on earth, beyond the possibility of a BGP peer at the end of one
> > of those DSL terminations (people do that?) would that effect your
> > EGP?
> >
> > You don't really carry those specifics in BGP do you?
> 
> Ofcause I do, my IGP is strictly for carrying loopback addresses, used
> for (i)BGP next-hop's, everything else is in BGP.
> 
> > If so, for what reason?  If they're in your IGP, they're in your
> > routing table.  There is no reason to carry them in the EGP.
> 
> You want your IGP to be stable and fast, thus you don't want to carry
> customer routes in your IGP.
> 
> > IMHO, if you didn't learn it from a BGP peer or didn't originate it
> > with a "network" statement in your BGP config, it doesn't belong in
> > BGP.  BGP != IGP.
> 
> Se above, which is what most large service providers do.

Exactly what we are doing.


-- 
Jan Oravec                           XS26 coordinator
6COM s.r.o.                          'Access to IPv6'
http://www.6com.sk                   http://www.xs26.net
+421-903-316905