Rasca schrieb:
btw. does any one know what tool to use to trace IP packetes from mac os 9? I want to see why the mac os 9 LPR client is working fine with a HP 8000 series but not with LPRng or BSD lpd.
I connected a hub and traced two situations (ethereal): mac -> HP printer mac -> linux / lprng setup
the most significant difference I see is that the linux box sends a TCP/ACK after receiving a "jobcmd" from the mac instead of sending a LPD/ACK or LPD response. I don't know about TCP handshake, but may be thats the origin of the problem!?
mac -> HP --------- mac -> HP: TCP/SYN HP -> mac: TCP/SYN,ACK mac -> HP: LPD/jobcmd HP -> mac: LPD/response (byte 00) mac -> HP: LPD/jobcmd/control file HP -> mac: LPD/response (byte 00) .. runs fine until the end..
mac -> linux ------------ mac -> linux: TCP/SYN linux -> mac: TCP/SYN,ACK mac -> linux: LPD/jobcmd linux -> mac: TCP/SYN mac -> linux: LPD/jobcmd linux -> mac: TCP/SYN linux -> mac: LPD/response (byte 00) mac -> linux: LPD/jobcmd/control file linux -> mac: LPD/response (byte 00) linux -> mac: LPR/jobcmd: transfer of .. failed mac -> linux: TCP/ACK mac -> linux: TCP/FIN,ACK linux -> mac: TCP/ACK
any comments?
cu rasca
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