Valdis.Kletnieks@vt.edu wrote:
> On Sun, 06 Aug 2006 03:08:09 PDT, Andrew Morton said:
> 
>>ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc3/2.6.18-rc3-mm2/
> 
> 
> Building a kernel with IPV6_MULTIPLE_TABLES=y breaks my IPv6 connectivity
> quite badly.  It basically totally refuses to answer an IPv6 Neighbor Solicit
> packet or IPv6 Echo Request packet.  I run a 'tcpdump -n ipv6', and I see the
> requests come in, and no packets leaving.  Interestingly enough, if I try to
> ping6 *out* of the box, it's totally willing to send a Neighbor Solicit outbound
> (although it appears to totally ignore the Neighbor Advert packet that comes
> back). Of course, things don't work very well at all with busticated Neighbor
> Solicit.
> 
> A kernel built with IPV6_MULTIPLE_TABLES=n works just fine.

It should be fixed by this patch (already contained in net-2.6.19).