Configuring CoAP port using Preferences

You can apply the CoAP protocol settings globally by defining the CoAP port number in Wireshark Preferences.

To configure the CoAP port using this option:

1. In Wireshark, go to Edit > Preferences....
2. In the Preferences section list, go to Protocols > CoAP.
   
3. Set the CoAP UDP port to 61631.
4. Click OK to save the CoAP port settings.