Date: Fri, 31 Aug 2001 02:04:43 +0200 (CEST) From: Wouter Van Hemel <wvhemel@vub.ac.be> To: Rogier Steehouder <r.j.s@gmx.net> Cc: <freebsd-questions@FreeBSD.ORG> Subject: Re: [FBSD-Q] ipv6 route configuration Message-ID: <Pine.LNX.4.33.0108310159530.577-100000@cocaine.cryolabs.net> In-Reply-To: <20010830190401.A500@rhosgobel.net>
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On Thu, 30 Aug 2001, Rogier Steehouder wrote:
> On Wednesday 29-08-29 22:22:22, Wouter Van Hemel wrote:
> > On Wed, 29 Aug 2001, Rogier Steehouder wrote:
> > > On Wednesday 29-08-29 17:06:08, Wouter Van Hemel wrote:
>
> > > > 2) how do I send the full /48 class to the internal net, using ::1 for the
> > > > router itself - like my ipv4 internal net?
> > >
> > > As far as I can remember (it has been nearly a year) I used the same
> > > 'route' line, but using the internal nic instead of lo0.
> > >
> >
> > That's what's been bugging me all along. Why lo0 and not ed1. Maybe it has
> > something to do with looping.
> >
> > > I set both sysctl variables to 1 and let both router and other PC's figure
> > > out their IPv6 addresses on their own. They will most certainly not be
> > > ...::1, ...::2, etc.
> > >
> > > You can also manually configure IPv6 addresses on all hosts.
> > >
> >
> > And that would be with just 'ifconfig ed0 inet6 their_ip', right?
>
> I would add a prefixlen 64 to be sure.
>
Sure, just being brief for simplicity :)
> > > Make sure of your firewall (ip6fw) if you use it. Especially using
> > > autoconfiguration. An IPv6 fw needs much more thought than an IPv4 fw.
> > >
> >
> > Sure, after I made it work. That won't be such a problem.
>
> At least check the default "deny all from any to any" isn't intercepting
> router advertisements and neighbor discovery, because that would hurt.
>
This isn't an issue when using static (manual) routes, is it?
> I blocked neighbor discovery at first. After installing the fw, after
> several seconds, connections would cease. Not recognising neighbors
> results in removal from the routing table -> no transfer of packets.
>
> Took my three days to find that because the connections fail after seconds,
> not immediately after setting the firewall.
>
Ah, that one's good to know. Making mental notes right now :)
> with kind regards, Rogier Steehouder
>
Regards,
.
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