On Tue, Mar 24, 2009 at 09:52:52PM +0000, Stuart Henderson wrote: > On 2009/03/24 13:26, Michele Marchetto wrote: > > CVSROOT: /cvs > > Module name: src > > Changes by: mich...@cvs.openbsd.org 2009/03/24 13:26:13 > > > > Modified files: > > usr.sbin/ripd : parse.y printconf.c ripd.c ripd.h > > usr.sbin/ospfd : ospfd.c > > > > Log message: > > Change the behaviour of redistribute default. > > Now a default route have to be present in the fib to be correctly > > advertised. > > > > Spotted and tested by Steven Surdok on ripd. > > ok claudio@ > > > > shouldn't this be optional? > > you might be taking a default route from an upstream, in which case > this change to tie the default origination to upstream's default > is indeed useful. > > but then, you might have a default-free router with a full BGP table, > and need to originate a default route into OSPF (e.g. to feed to some > other router or firewall which can't or shouldn't run BGP), then this > change of behaviour might be less welcome.
In that case you should insert a default -reject route to 127.0.0.1. Doing that is necessary to ensure that no routing loops happen. -- :wq Claudio
