Here are a few examples to get you started.įig. Wireshark has several tools that can help troubleshoot problems in a Mobile DTV multicast network. I'll try it and share results, with credit to you in a future column. If readers with more experience with these programs have any ideas on how to capture Mobile DTV IP data over-the-air, please let me know.
It might work better with a loop back adapter, but I didn't have a chance to try it before leaving an area with Mobile DTV. Unfortunately, I wasn't able to obtain any useful Mobile DTV captures from either the WinTV 7 viewer or the Decontis ATSC Mobile DTV Viewer. Wireshark does not support captures from localhost.įortunately, rawcap.exe will generate a PCAP file from localhost that Wireshark can read. I was hoping to grab the IP stream from an over-the-air mobile stream using the localhost (127.0.0.1) interface, but it turned out to be more difficult than expected. Last month I described how Wireshark could be used to troubleshoot Mobile DTV systems at the IP level.
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