puzzling routing problem...

[Ben Clifford]

I have installed trumpet winsock on a Win 95 box on my ethernet, and
pointed it at my linux box which also has a tunnel connection.

>From the W95 box, I can't ping any IPv6 addresses further than the far end
of my tunnel link - my linux box sends back ICMPv6 unreachable address
messages for each ping.

*unless* I also ping that address from the linux box, in which case the
ping works from my laptop up until exactly 10 seconds after I stop the
ping on the linux box.

It feels to me like there is some form of route calculation/caching which
is (not) happening, but I don't know enough about the guts of IPv6 and
it's linux implementation to work it out. 

Any clues?

Thanks,
Ben

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