recursive route lookup (was: Re: upgrade 1.2.4 - 1.3.1 reverted)
santiago at crfreenet.org
Wed Oct 24 21:16:13 CEST 2012
On Wed, Oct 24, 2012 at 03:50:24PM +0200, Timo Weingärtner wrote:
> > > What's the problem with using iBGP routes for recursive lookups (when
> > > using iBGP as IGP)? The message even says that the route is resolvable.
> > BIRD does not allow recursive routes to depend on another recursive route.
> > If your iBGP is configured to generate non-recursive routes (using
> > 'gateway direct' option), then recursive routes (from another BGP)
> > could depend on that routes, but i am not sure if such setting could
> > be useful, esp. it does not work if you want to use the same iBGP session
> > for both recursive and non-recursive routes.
> Let me rephrase my question: Why does BIRD not allow recursive routes to
> depend on another recursive route. What could go wrong if it was allowed?
It is mainly for simplicity of some implementation issues and preventing problems
like mutually recursive routes.
Elen sila lumenn' omentielvo
Ondrej 'SanTiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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