Hello Ondrej,

On Mon, May 13, 2019 at 7:51 AM Ondrej Zajicek <santi...@crfreenet.org>
wrote:

> On Mon, May 13, 2019 at 07:12:53AM -0700, Terra Nova wrote:
> > Hi Alexander,
> >
> > On Sun, May 12, 2019 at 12:21 AM Alexander Zubkov <gr...@qrator.net>
> wrote:
> >
> > > Hi,
> > >
> > > I suppose it could happen because "for" is looking for an active route
> > > for the given destination. And filtered routes would not be matched.
> > >
> > I was leaning in that direction as well, however in the canonical sense,
> > using the keyword 'filtered' should have removed that constraint and
> > returned the filtered + non-active route.  At this point, I don't know if
> > current behavior is the intended behavior.
>
> Hi
>
> This seems to be unintended behavior, but it is hard to say what should
> be the intended behavior. I see three possible behaviors:
>
> 1) Explicitly forbid this combination (like combination of 'filtered' and
> 'export' is forbidden).
>
> 2) Find and show longest-match between filtered routes.
>
> 3) Find longest-match between both valid and filtered routes,
> show it only if it is filtered.
>
> --
> Elen sila lumenn' omentielvo
>
> Ondrej 'Santiago' Zajicek (email: santi...@crfreenet.org)
> OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
> "To err is human -- to blame it on a computer is even more so."
>

Please don't forbid it via #1.

It would be nice to use the longest-match machinery to lookup the filtered
route.  I'm not sure which would be the better implementation between #2 or
#3, but I believe when the 'filtered' keyword is used it should be
constrained to only working with filtered routes.

--
Terra

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