> tcpdump3.4 runs well on the token ring interface with kernel 2.2.14. But
> when I tried to run it on 2.3.99, it complained "unknown physical layer
> type 0x320". Does anyone know the cause of the problem?
During the development of the 2.3.x kernels, the type for token ring was
changed. Before all IEEE802 was given the identifier of 6, when we added
multicast to token ring it had to be seperated from the other 802 protocols
and given its own number of, you guessed it, 0x320. You probably need to
either re-compile tcpdump with the correct headers or change one of the
tcpdump files to recognize the new type number.
Mike
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