BIRD: route selection question

Ondrej Zajicek santiago at
Fri May 13 11:23:37 CEST 2011

On Fri, May 13, 2011 at 07:21:57AM +0200, Martin Barry wrote:
> > > One more question: is it possible to add "bgp always-compare-med" option  
> > > in BIRD?
> > 
> > That would not be a problem. A question is under which circumstances such
> > comparison has some sense. Probably only if user overwrites all MEDs
> > on input to the AS.
> Manipulating MED is not common but also not unusual. It tends to be used in
> situations where manipulating LOCAL_PREF results in too many sub-optimal
> paths and letting the decision fall through to ROUTER_ID would not achieve
> the desired effect.

Yes, we implemented this feature in 1.3.1 (option 'med metric').

Elen sila lumenn' omentielvo

Ondrej 'SanTiago' Zajicek (email: santiago at
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3,
"To err is human -- to blame it on a computer is even more so."
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