clear description of wireshark use

[kurtsansom]

It's not clear to me from the documentation how to employ wireshark correctly.

I have been working on the c++ opendis implementation, and I am trying to ascertain how to use wireshark properly. the Documentation explains what wireshark is and what it does. but the instructions for how to verify it works for a specific example I haven't found. I would be glad to add the documentation, but I don't know how to do it yet.