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Ethernet Ports Constantly Stop Working

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Ethernet Ports Constantly Stop Working

The ethernet ports on my cable modem/router repeatedly stop working. I will be chugging along when my PC tells me it lost the internet connection and it no longer has an IP address. The wifi seems to keep working fine. I had a new modem installed today, along with a tech chekcing all the lines, and it happened on the new modem too! Has anyone else had a similar issue?