[ale] IPv6 routing issues

[Michael H. Warfield]

On Fri, 2009-09-04 at 17:08 -0400, Michael H. Warfield wrote:
> On Fri, 2009-09-04 at 14:30 -0600, JK wrote:
> > Michael H. Warfield wrote:
> 
> > > 	Ah crud.  That would be the problem.  Sit tunnels do not work reliable
> > > from behind a NAT.  Many NAT's can handle it, many NAT'S can not.  It's
> > > a crap shoot.  You need to switch your configuration to UDP mode.  It
> > > should be a setting in your tspc.conf file somewhere.
> 
> 
> >    tunnel_mode=v6udpv4
> 
> > looks like the right stuff, but results in:
> 
> >    If you are using UDP, there is probably no UDP listener at broker.freenet6.net
> 
> > :-(((
> 
> > In Wireshark I see UDP traffic to broker.freenet6.net:tsp, but no replies.

> 	Check the documentation up on their site.  You probably need to use a
> different tunnel anchor.  It's been ages since I've used my Freenet6
> account.

	Another possibility you could try would be to configure a passthrough
on that DSL router/NAT for protocol 41.  That's not port 41 and it's not
TCP or UDP.  It's protocol 41.  That's the SIT protocol.  It sits
directly on IP.  TCP is IP protocol 6, UDP is IP protocol 17, ICMP is IP
protocol 1, SIT aka IPv6 aka 6in4 is IP protocol 41.  I don't know your
device so I don't know if you have that option.

> > -- JK

> 	Mike
-- 
Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
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