Date: Wed, 16 Aug 2006 12:11:30 +0400 From: Yar Tikhiy <yar@comp.chem.msu.su> To: Stefan Bethke <stb@lassitu.de> Cc: drl@MyBSD.org.my, brooks@freebsd.org, freebsd-stable@freebsd.org, thompsa@freebsd.org Subject: Re: Default route (IPv4) demolished by destroying clone (gif/gre) interface Message-ID: <20060816081130.GB81271@comp.chem.msu.su> In-Reply-To: <9405D801-3435-419A-9541-E1A9B2CF26D2@lassitu.de> References: <20060815040736.2f85f090.drl@MyBSD.org.my> <9405D801-3435-419A-9541-E1A9B2CF26D2@lassitu.de>
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On Tue, Aug 15, 2006 at 07:26:08PM +0200, Stefan Bethke wrote:
> Am 14.08.2006 um 22:07 schrieb Darryl Yeoh:
>
> >While destroying gif interface, I notice it also removes IPv4
> >default route. Has anyone else
> >encountered this ?
>
> No problem on a FreeBSD 6.1-STABLE #8: Fri Jun 16 17:15:03 CEST 2006.
^^^^^^
>
> You don't happen to have any devfs rules that would cause this?
As a matter of fact, the issue appeared in 6-STABLE on Jul 24 and
is still there. Now devd(8) will invoke "/etc/pccard_ether stop"
when any network interface is destroyed. In turn, pccard_ether
will flush all -inet routes if the rc.conf(5) variable removable_route_flush
is set to YES, which is its default setting. Previously, this
scenario would take place only when an Ethernet interface was destroyed.
The question is: Do all the routes really need to be flushed upon
the destruction of an interface?
Any ideas?
--
Yar
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