[Tinyos-help] b6lowPan---serial_tun errors

[alessandro ludovici]

Hi,
Someone can explain why I get the followings WARNINGS and ERROR when I run
"serial_tun". I've had problems with IPv6 forwarding since my Ubuntu had a
bugs, but now seems to be solved (radvd seem to work!), so I don't know why
it does not work fine! Moreover I can not ping the motes (I get a
destination unreachable)

16:02:33.432856: WARN: tun_input: dropping packet with IPv6 options
16:02:33.432920: ERROR: Invalid packet or version received
16:02:43.408850: WARN: tun_input: dropping packet with IPv6 options
16:02:43.408915: ERROR: Invalid packet or version received

thanks in advance,
Alessandro

p.s
I've found that in the path var/run/radvd I've no files....Is this a
problem?
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