Solved!1. The problem is that we were connecting port01 of the cable modem to the ethernet port of the router which was creating an issue, we just have to connect the cable modem's port 1 to the internet port of the router via the straight-through co...

I am facing the same issue and followed @ScottRhodes8704  your instructions but the problem is as same .... the connection between router and cable modem through straight-through cable is turned red every time but when we connect them through crossov...