How do I find the unknown IP address of a Modbus Serial-to-TCP Gateway?
Issue:
How to find the unknown IP address of a Modbus Serial-to-TCP Gateway?
Product Line:
EGX100
ETG100
EGX300
EGX150 (Link 150)
Com'X
Environment:
Internet Explorer
WireShark
Resolution:
The lost IP address of a Modbus Serial-to-TCP Gateway can be found by examining the
WireShark trace of the Ethernet TCP/IP communications using the following steps.
This method can also be used for mostly any ethernet-based device.
- Download WireShark from https://www.wireshark.org/download.html
- Launch WireShark
- Select the active Ethernet adapter on the PC to start the WireShark trace.
- Power-Cycle the Modbus Serial-to-TCP Gateway.
When the Gateway reboots, it will send a Gratuitous ARP from the MAC Address with the IP address of the gateway which can be seen in the trace. - Confirm this is the IP address by using an Internet Explorer browser to connect to the embedded web pages on the gateway.
Publié pour: Schneider Electric Belgium
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