How to diagnostic the ERIO drop when the CRA drop can't be connected

After power on the ERIO drop, but the CRA drop can't be connected as "RUN". Sometimes it is the Rotary Switches setting for "Device Name" is mismatched of the configuration in UnityPro.
How to diagnostic it?
1. Mirror the Service port of CRP to the Device Network
2. Capture the trace by Wireshark,
3. Check the CRA sending DHCP discover with "Device Name"
4. Compare the Device Name with the configuration in UnityPro
Please refer to the attached pictures

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