Hi,
I am relatively new to GNU Radio. I set up a simple experiment of connecting a
file source directly to the usrp sink and monitoring the traffic on the
ethernet
port using wireshark. The source file simply contains the letters abc. When I
ran the flowgraph in GRC it did seem to initiate traffic on the ethernet
interface to the USRP but I could not find the string abc in any ethernet
frame.
I thought that since there is no modulation or any other manipulation of the
source data in the flowgraph before the usrp that I would be able to find this
data string in the ethernet frame. Is there anything the USRP sink block could
be doing on the host side that would alter the data before it gets sent out
over
ethernet interface to the USRP?
Thanks,
Dave
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