Synchronise DAQ and CAN using RTSI

I do a CAN/DAQ measurement using 2 PCI cards and a RTSI cable. However, not all of my analog samples are timestamped
(I'm missing 930 timestamps on a total of 4700 analog samples).
I'm using the Net RTSI config, because with the Obj RTSI config I get nothing but random timestamps for my analog signal, while CAN timestamps are OK.
What can cause this behavior?
Thanks,
David.

First of all: thanks for your reply.
Now, the problem:
I started of one of the examples on the NI site (http://zone.ni.com/devzone/explprog.nsf/6c163603265406328625682a006ed37d/773da68471f9efa4862569e00072a0fc?OpenDocument) and modified this somewhat to log data as binary. I also added a VI to filter out only the CAN ID I'm interested in. (I tried to use an Object instead of a Network Interface, but that resulted in random timestamps for analog... don't know why. Didn't find an example that should work to test with).
DAQ board is used as the master, CAN is set to timestamp the RTSI events.
The result: sometimes less, sometimes more timestamps for analog than I have analog samples.
I have included the sample LV6 program that I use for testing. Main C
AN-DAQ-RTSI is for acquisition, Main Reporting to read the measured files. 2 sample measurements are included too. Second example only contains noise, but ALSO has different number of timestamps than samples for analog.
Gee, I hope I didn't bore you. )
It would be great if someone could give me some advise.
Thanks,
David.
Attachments:
can-daq-rtsi.zip ‏162 KB

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