[op25-dev] Re: Wireshark Help

ikj1234i ikj1234i at yahoo.com
Fri Mar 22 15:27:39 UTC 2013

--- In op25-dev at yahoogroups.com, Michael Ossmann <mike at ...> wrote:

> My copy of the repo isn't terribly recent, but, from what I can see,
> we're implementing a UDP socket in one of the op25 blocks to deliver
> packets to Wireshark.

The original way that we used was in the receiver after the P25 frames were received and reassembled they were encapsulated and written to the Linux TUN/TAP interface.  When properly configured, this interface (typ. 'tun0') shows up as a standard interface in ifconfig (and in the list of allowed network interfaces that wireshark can listen on).

Then later our repeater stuff added support for writing received frames to UDP, using UDP port 23456.  See file repeater/src/python/usrp_rx.py.

In response to this, Mike added a UDP option to the wireshark plugin - see this message:



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