radv bug?

Ondrej Zajicek santiago at crfreenet.org
Sat Jun 25 10:52:09 CEST 2011


On Sat, Jun 25, 2011 at 10:13:29AM +0200, Ondrej Zajicek wrote:
> On Fri, Jun 24, 2011 at 02:00:22PM +0200, csszep wrote:
> > Hello!
> > 
> > I testing the radv protocol with bird 1.3.1, but no luck.
> > 
> > Jun 24 14:12:46 router2 bird6: sk_set_ipv6_checksum: IPV6_CHECKSUM:
> > Invalid argument
> > Jun 24 14:12:46 router2 bird6: radv1: Socket open failed on interface dummy0
> 
> It seems like your kernel does not support some standard IPv6 features
> (which are also used in OSPFv3 code), perhaps you have too old kernel
> version?

So not too old version, but too new version. :-) There is a bug in BIRD
(setting IPV6_CHECKSUM on ICMPv6 socket) which was ignored in older
kernels but fails in newer kernels [*]. Could you try attached patch?

[*] http://www.kerneltrap.com/mailarchive/linux-netdev/2008/4/18/1466754

-- 
Elen sila lumenn' omentielvo

Ondrej 'SanTiago' Zajicek (email: santiago at crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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