Date: Wed, 16 Aug 2006 10:23:13 +0200 From: Stefan Bethke <stb@lassitu.de> To: Yar Tikhiy <yar@comp.chem.msu.su> 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: <FED9705F-B445-4495-B90F-A656AAA966EE@lassitu.de> In-Reply-To: <20060816081130.GB81271@comp.chem.msu.su> References: <20060815040736.2f85f090.drl@MyBSD.org.my> <9405D801-3435-419A-9541-E1A9B2CF26D2@lassitu.de> <20060816081130.GB81271@comp.chem.msu.su>
next in thread | previous in thread | raw e-mail | index | archive | help
Am 16.08.2006 um 10:11 schrieb Yar Tikhiy: > 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? Ouch. Don't ppp(8), OpenVPN etc. destroy the tun interface they're using when they exit? Flushing all routes then would be rather harmful. I'm glad I haven't updated to a newer -stable yet then :-) Stefan -- Stefan Bethke <stb@lassitu.de> Fon +49 170 346 0140
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?FED9705F-B445-4495-B90F-A656AAA966EE>