Data Collection Troubleshooting - Wireshark

Purpose of this article is to show that wireshark can be used to troubleshoot connection between DCM and your device.

As Wireshark has predefined filters for modbus and OPC UA it's a relative easy task to grap data from OPC UA and Modbus connections.

Prerequisites:

Light knowledge about wireshark and IP communication.

PC with wireshark installed

a switch with port mirroring