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PlantScada Server Computer - Ethernet Unplugged -Computer Role changes

Rune

Hi,

We have an standalone computer running as Server for a PlantScada project.

Problem we face is when we unplug the Ethernet cable from the server computer. Then Server change role from "Server and Control Client" to "Control Client".

How can we prevent this for happening? Is there a setting/setup in the INI file that can be used or other settings in the project.

When this happens, the IO servers stop and even if the ethernet cable is re connected, the computer role is not automatically set back to “Server and Control Client”.  To get things back to normal the runtime would have to be started once ethernet connection is established.

I guess there should be a solution for this?

 

Regards,

Rune

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  • Another way which might work, is to configure the windows TCP/IP stack to ignore the ethernet media sense. You can do this by changing a registry setting ... under the key HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters , change or set the DisableDHCPMediaSense value to 1 (REG_DWORD).

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  • Another way which might work, is to configure the windows TCP/IP stack to ignore the ethernet media sense. You can do this by changing a registry setting ... under the key HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Tcpip\Parameters , change or set the DisableDHCPMediaSense value to 1 (REG_DWORD).

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