[bug] network prefix applied to local instead of peer address

[Etienne Champetier]

Hi Ondrej,

Le lun. 25 janv. 2021 à 10:03, Ondrej Zajicek <santiago at crfreenet.org> a écrit :
>
> On Sun, Jan 24, 2021 at 05:23:30PM -0500, Etienne Champetier wrote:
> > Hi All,
> >
> > When configuring a ptp interface, the local address is /32, and the
> > prefix is supposed to be applied to the peer address
> > I not using a non /32 peer but was curious when reading `man ip-address`
>
> Hi
>
> It is true that for non-/32 prefix BIRD uses IFA_LOCAL instead of
> IFA_ADDRESS for prefix. For regular addresses (where local IP is from
> the range) it does not matter. For /32 PtP addresses it is handled
> properly. The only problematic case is PtP address with non-/32 prefix
> (like in your case), but this case is generally not supported by BIRD
> anyways, and would require some work to handle it properly. It is rather
> strange and asymetric network setup. Do you have any use cases for that?

No, not at all, I was just curious if such setup even make sense at all
Thanks for the answer

Best
Etienne

>
> --
> 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."