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Old 3rd August 2011, 16:56
Mark_NL Mark_NL is offline
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If my solution doesn't work, then there is something you haven't told us about your setup.

A -> B -> C

you're able to ping C unless "C" is dropping stuff

A: ping c
B: tcpdump -i eth0 icmp
C: tcpdump -i eth0 icmp

now see what packets go back and forth on B and C
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