Date: Fri, 8 Sep 2006 18:15:14 +0200 From: John Hay <jhay@meraka.org.za> To: freebsd-net@freebsd.org Subject: Re: ipv6 host routes Message-ID: <20060908161514.GA42016@zibbi.meraka.csir.co.za> In-Reply-To: <20060907141019.91998.qmail@web26604.mail.ukl.yahoo.com> References: <20060907100944.GA68587@zibbi.meraka.csir.co.za> <20060907141019.91998.qmail@web26604.mail.ukl.yahoo.com>
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Ok, I have made some progress. Again I have two machines, called rtrg,
which I'm working on and rtr2, the one I want to "route" to. So my
/etc/hosts have this in:
2001:4200:7000:15:202:6fff:fe22:9547 rtrg
2001:4200:7000:15:202:6fff:fe41:1927 rtr2
If I add a route (on rtrg) like this, I do not get an error while adding
it:
route add -inet6 rtr2 rtrg -interface -llinfo
But the first time I use it, the kernel spits out this message:
nd6_storelladdr: sdl_alen == 0
So I had a look and tweaked sys/netinet6/nd6.c:nd6_rtrequest() a little
and now it is working. Now I won't pretend that I have my head around
all the IPv6 routing/ndp intricasies, so I would really like some more
eyes over this.
With this and my FreeBSD/IPv6 port of olsrd I can run multiple wireless
interfaces with the same IPv6 subnet and olsrd can make it all work.
The diff is against RELENG_6
Index: nd6.c
===================================================================
RCS file: /home/ncvs/src/sys/netinet6/nd6.c,v
retrieving revision 1.48.2.13
diff -u -r1.48.2.13 nd6.c
--- nd6.c 17 Jun 2006 17:58:33 -0000 1.48.2.13
+++ nd6.c 8 Sep 2006 09:16:58 -0000
@@ -1392,6 +1392,8 @@
ip6_sprintf(&llsol), error));
}
}
+ } else if (req == RTM_ADD && SDL(gate)->sdl_alen == 0) {
+ ln->ln_state = ND6_LLINFO_INCOMPLETE;
}
break;
John
--
John Hay -- John.Hay@meraka.csir.co.za / jhay@FreeBSD.org
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