Hi,
I can never remember the details but the MSH/MSA ACK is high level in that it is in either the application or session level of the OSI model. A low level ACK is in the lower level of the OSI model (transport?) so you don’t normally see this in the EO output.
Quick question to other Clovertechers – can EO Config be set to trace at this lower level
Regards
Garry