IPv6: routing on the local LAN
Dan Langille
dan at langille.org
Sun Dec 25 10:33:27 PST 2005
On 25 Dec 2005 at 15:05, Ariff Abdullah wrote:
> On Sat, 24 Dec 2005 21:22:20 -0500
> "Dan Langille" <dan at langille.org> wrote:
> > On 25 Dec 2005 at 2:59, Ariff Abdullah wrote:
> >
> > > On Sat, 24 Dec 2005 12:37:56 -0500
> > > "Dan Langille" <dan at langille.org> wrote:
> > > > Gidday folks,
> > > >
> > > > I have an IPv6 routing problem within my LAN behind the gateway.
> > > >
> > > > I have an IPv6 tunnel supplied by Hurricane Electric. The
> > > > tunnel is
> > > >
> > > > setup and working. From my gateway I can access various IPv6
> > > > websites (e.g http://www.kame.net). I have enabled rtadvd(8) on
> > > > my gateway. For the netstat, ifconfig, etc, see [1].
> > > >
> > > > >From a computer inside my gateway, I cannot ping anything, not
> > > > >even
> > > > >
> > > > the gateway. I suspect it's because the routing tables are not
> > > > being set up on the gateway. I expected the system to do that
> > > > automatically. I also expected fxp0 to get an IPv6 address out
> > > > of this. Did I guess wrong? I suspect that if I can get fxp0
> > > > on the gateway, all will be well. If not, I think Ineed to set
> > > > up static routes.
> > >
> > > Add a single 2001:470:1F00:1979::/64 address each for both fxp0/1.
> > > You don't even need rtadv.conf :)
> > >
> > > rc.conf:-
> > > ipv6_ifconfig_fxp0="2001:470:1F00:1979::1/64"
> > > ipv6_ifconfig_fxp1="2001:470:1F00:1979::2/64"
> >
> > Thanks.
> >
> > I wanted to run rtadvd for the boxes inside the LAN. That ensure
> > they get an address in the right range (AFAIK).
> >
> For this simple configuration, you don't even need rtadvd.conf. Adding
> anyprefix/64 address to router interface and running rtadvd -D
> router_interface will do the job.
man rtadvd shows that -D is debugging.
$ grep rtad /etc/rc.conf
rtadvd_enable="YES" # let our LAN know the IPv6
default route
rtadvd_interfaces="fxp1" # our private LAN
I can't try it yet, but it looks like removing /etc/rtadvd.conf may
do the trick.
Merry Christmas.
--
Dan Langille : http://www.langille.org/
BSDCan - The Technical BSD Conference - http://www.bsdcan.org/
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