Route Internet trafic trough cellural/wifi when Ethernet has no gateway (Windows).
published on 30.07.2026 11:00
If you find your self in a situation during programming of PLC or other servicing endeavors trough Ethernet cable (without Internet) but you want to use cellular/wifi internet on Windows, then here is how to fix it.
This Windows Registry snippet will allow you to use Internet from interface that can route it, even when Ethernet cable that is connected can not. Aka This tells Windows to ignore Ethernet connections that do not have a default gateway.
Here is the corresponding registry fix:
routing.reg
SHA256:
This Windows Registry snippet will allow you to use Internet from interface that can route it, even when Ethernet cable that is connected can not. Aka This tells Windows to ignore Ethernet connections that do not have a default gateway.
Here is the corresponding registry fix:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WcmSvc\Local]
"WCMPresent"=dword:00000000
"fMinimizeConnections"=dword:00000000
"IgnoreNonRoutableEthernet"=dword:00000001
routing.regSHA256:
6f8d2d511b0e5c6348c35182d24b971e83db3f8e61ee22c5b8efda371b55df37
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