Date: Fri, 26 Sep 1997 01:40:48 +0100 From: Brian Somers <brian@awfulhak.org> To: Mike Smith <mike@smith.net.au> Cc: Brian Somers <brian@awfulhak.org>, "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com>, brian@freebsd.org (Brian Somers), cvs-committers@freebsd.org, cvs-all@freebsd.org, cvs-etc@freebsd.org Subject: Re: cvs commit: src/etc/ppp ppp.linkup.sample Message-ID: <199709260040.BAA07189@awfulhak.demon.co.uk> In-Reply-To: Your message of "Fri, 26 Sep 1997 00:51:18 %2B0930." <199709251521.AAA04380@word.smith.net.au>
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> > > Yet another reason ppp has no business doing routing. This leaves
> > > a window of time that no default route exists and if a connection
> > > happens to send a keepalive packet during it the conneciton is going
> > > to get torn down :-(.
> > >
> > > Correct thing to do is a ``if route 0 exists, then route change 0 0,
> > > else route add 0 0''.
> >
> > I'll be happy to add your patches to the source and documentation that
> > implement this wonderful syntax.
>
> The right way to do this is probably for "add <anything>" to look and
> remove any routes for <anything> before inserting the new one.
>
> I would hope this was as easy as it sounds. 8)
Or (as I suspect was meant), a RTM_CHANGE is attempted before an
RTM_ADD, and the RTM_ADD is only done if the CHANGE fails. That way,
altering the default won't leave a missing default for a bit.
I'll modify ppp so that it tries the RTM_CHANGE - makes sense.
> mike
>
>
--
Brian <brian@Awfulhak.org>, <brian@FreeBSD.org>, <bri@OpenBSD.org>
<http://www.Awfulhak.org>;
Don't _EVER_ lose your sense of humour....
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