Date: Wed, 18 Nov 1998 03:27:21 +0000 From: Brian Somers <brian@Awfulhak.org> To: Bruce Albrecht <bruce@zuhause.mn.org> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: ppp -auto question Message-ID: <199811180327.DAA08214@woof.lan.awfulhak.org> In-Reply-To: Your message of "Sun, 15 Nov 1998 22:18:23 CST." <13903.42895.850081.788100@zuhause.zuhause.mn.org>
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> Before I upgraded to a current -current (previously running -current
> from 12/97, now 11/11/98), when my ppp -auto disconnected, I set up my
> ppp.linkdown to delete the old default route and set the default route
> to a non-existant ip (10.0.2.20) that was the gateway ip address for
> the now inactive ppp link.
>
> The ppp.conf file had
> set ifaddr 10.0.2.15/0 10.0.2.20/0 255.255.255.0 0.0.0.0
>
> The ppp.linkdown had
> MYADDR:
> delete default
> add default 10.0.2.20
>
> This worked really well, as sendmail would try to do a name lookup on
> the link and I had 10.0.2.20 known to my local named. However, with
> the way ppp works now, sendmail does a name lookup on the ip address
> of the now inactive link, which forces ppp to reconnect to the ISP if
> named has invalidated the IP from its cache. Is there any way to get
> the old behaviour to work again? When I did a little fiddling around
> with it, I either would get complaints about the default route already
> existing or it wouldn't dial out after the first time.
>
> Any suggestions?
Try doing the ``set ifaddr'' in ppp.linkdown (as well as in ppp.conf)
without the delete/add lines above, and making sure that you ``add
default hisaddr'' in ppp.conf. Ppp now treats things that use
hisaddr and myaddr as being ``sticky'' - ie, when the IP number
changes, the routes get re-applied. See the man page and the
README.changes file for details.
I'm surprised that ppp didn't behave the same before :-/
You may also want to do an ``iface clear'' in ppp.linkdown.
--
Brian <brian@Awfulhak.org>, <brian@FreeBSD.org>, <brian@OpenBSD.org>
<http://www.Awfulhak.org>;
Don't _EVER_ lose your sense of humour....
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