gre tunnel woes

[Milan Obuch]

On Wed, 3 Apr 2013 17:21:41 +0200
Andreas Nilsson <andrnils at gmail.com> wrote:

> On Wed, Apr 3, 2013 at 5:00 PM, Robert Blacquiere
> <freebsd-net at blacquiere.nl
> > wrote:
> 
> > On Wed, Apr 03, 2013 at 04:51:53PM +0200, Andreas Nilsson wrote:
> > > Hello,
> > >
> > > I'm struggling a fair bit with gre tunnels today:
> > >
> > > Woe 1:
> > >
> > > I'm trying to incorporate my gre tunnels into rc.conf, like
> > >
> > > cloned_interfaces="gre1"
> > > ifconfig_gre1="inet 10.0.0.1/30 10.0.0.2 tunnel a.b.c.d e.f.g.h"
> >
> > I have "up" at the end of the ifconfig_gre0 statements and tunnels
> > work also after reboot.
> >
> > For the other problems you are seeing I have no answer. There is no
> > keep alive for as i know to change tunnel to down if tunnel fails.
> >
> > Regards
> >
> > Robert
> >
> 
> Thanks,
> 
> good to know there is hope. Unfortunately adding up directive at the
> end of the ifconfig-line makes no difference :(
> 
> I should also have mentioned that this is on 9.1-RELEASE. The host is
> multihomed, so the tunnels needs a route installed to "go the right
> way", ie they should not go over the default route. Maybe I should
> just add the NOAUTO keyword and create a local rc.d service that
> start all tunnels...
> 
> Best regards
> Andreas
>

Well, I am struggling with this too, and now I just use /etc/rc.local
containing

#!/bin/sh

ifconfig gre0 up
ifconfig gre1 up

to bring tunnels to real life. Maybe not that nice, but simple and
working.

Milan