Question about babel over bird

Ondrej Zajicek santiago at crfreenet.org
Thu Jan 12 16:38:15 CET 2023


On Thu, Jan 12, 2023 at 03:47:11PM +0100, Oriol Rico wrote:
> The problem is that all antennas that advertise this route are over the
> same interface in the rest of the antennas, over wlan interface

You only need to set link cost for the two antennas advertising the 10.0.0.0/8.

Therefore you cannot use interface rxcost option, but you can pre-initialize
babel_metric in export fitler when exporting this external (static) route to
babel protocol.

> El El jue, 12 ene 2023 a las 15:19, Toke Høiland-Jørgensen <toke at toke.dk>
> escribió:
> 
> > Oriol Rico <oriol.rico at gmail.com> writes:
> >
> > > Hello:
> > >     We have a series of wireless antennas deployed in mesh with the babel
> > > protocol using bird.
> > >    Two of those antennas advertise the route 10.0.0.0/8.
> > >    The rest of the antennas choose one of the two outputs depending on
> > the
> > > babel protocol.
> > >    How can I force it to go out through one or the other exit?
> >
> > The easiest would probably be to fiddle with the link costs for each
> > interface...
> >
> > -Toke
> >

-- 
Elen sila lumenn' omentielvo

Ondrej 'Santiago' Zajicek (email: santiago at crfreenet.org)
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"To err is human -- to blame it on a computer is even more so."



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