On 8/15/07, Iljitsch van Beijnum <email@hidden> wrote:
> On 15-aug-2007, at 6:44, Blake Garner wrote:
>
> > I have added the firewall rule you suggested however the problem
> > continues.
> > ip6fw add 65000 drop ipv6-icmp from any to any icmptypes 134 in
>
> > The default route is still disappearing from the server after a
> > minute or so.
>
> Hm, then apparently the filter rule doesn't work. Try setting up all
> IPv6 addresses on the server manually using System Preferences, then
> the server doesn't listen for router advertisements and hopefully the
> problem goes away.
I setup my server this way and disabled ipv6 on all the other
interfaces except the ethernet port. As it stands now the default
route is not replaced with a incorrect one it just vanishes.
>
> > It seems like you should be able to configure rtadvd to advertise the
> > correct default route or just stop it from giving the server the wrong
> > one.
>
> On BSD systems you can tell a router to ignore router advertisements
> with a sysctl, but on the Mac this is a per-interface thing so the
> sysctl doesn't do anything.
>
Interesting, I wonder if there is a way to tell each interface to stop
ignore router advertisements. My searching tonight didn't reveal any
such methods.
> > However I haven't found any useful configuration info for
> > advertising the correct default route.
>
> There's only one way to advertise; you can't do it "correctly" or
> "incorrectly". It's listening to your own advertisements that you
> shouldn't do.
>
I previously was looking at the /etc/rtadvd.conf file and looking for
a way to add the correct default route to the configuration. My
thinking was if it advertised the correct default route the problem
would be solved.
> > It's not clear what rtadvd's behavior is by default. Should it start
> > with "rtadvd en0" and keep running?
>
> Yes. Everything works automatically.
>
Well I'm about to give up on this configuration and look at some other
possibilities. It seems like I'm missing some part of this
configuration or apple has another bug in their Ipv6 implementation.
Everything else is working but that default route just vanishes after
60 seconds or so.
Thanks again for the assistance,
Blake-
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