Le mardi 20 octobre 2020 à 12:41 +0000, Stuart Henderson a écrit :
> On 2020-10-20, Bastien Durel <bast...@durel.org> wrote:
> > Le lundi 19 octobre 2020 à 17:17 +0100, Tom Smyth a écrit :
> > > Hi Bastien,
> > Hello
> >
> > > can you do a
> > > route show -n |grep 10\.42
> >
> > Boot time:
> >
> > default 10.42.42.1 UGS 5 5 -
> > 8 em0
> > 10.42.2/24 10.42.42.21 UGS 0 0 -
> > 8 em0
> > 10.42.42/24 10.42.42.69 UCn 3 0 -
> > 4 em0
>
> so here you have 10.42.42/24 directly connected
>
> > 10.42.42.1 40:62:31:01:4b:66 UHLch 1 2 -
> > 3 em0
> > 10.42.42.3 d0:50:99:18:63:82 UHLc 1 4 -
> > L 3 em0
> > 10.42.42.21 link#1 UHLch 1 2 -
> > 3 em0
> > 10.42.42.69 08:00:27:d6:6e:dd UHLl 0 2 -
> > 1 em0
> > 10.42.42.255 10.42.42.69 UHb 0 12 -
> > 1 em0
> >
> > After bird is started :
> >
> >
> > default 10.42.42.1 UGS 5 6 -
> > 8 em0
> > 10.42.2/24 10.42.42.21 UGS 0 0 -
> > 8 em0
> > 10.42.42/24 10.42.42.69 U1 0 2 -
> > 56 em0
> > 10.42.42.69 08:00:27:d6:6e:dd UHLl 0 10 -
> > 1 em0
> > 10.42.42.255 10.42.42.69 UHb 0 14 -
> > 1 em0
>
> and here bird has overwritten it (the "prio 56" routes are a bit of a
> clue
> that it's likely to be added by bird; it doesn't understand openbsd's
> route
> priorities and just adds with the default priority which is 56)
>
> some way or other you'll need to stop it overriding your directly
> connected
> networks. I'm no expert in bird and when I've used it is has mostly
> not been
> handling the route table, only collecting BGP routes itself, but I
> would
> think you might be able to do that with a filter.
>
> From the config you showed I'm not seeing anything that seems like a
> reason
> to use bird over the OSPF daemons in base; they are definitely
> preferred if
> possible because they were written with awareness of the rest of
> OpenBSD's
> network stack.
>
>
I tried to use bird because ospfd(8) seemed to had problems with
wireguard tunnels (but I did not test it with 6.8 yet)
