@Yobh Have you tried different Ethernt ports on the router and the Charter Gateway?

@Yobh generally when Ethernet is just below 100 the first thing to check is the cables and the connectors. Do look at the connectors on the router and modem for missing or bent pins since you tried...

@TomMu Been many years since I set up and used a mail server. Some things come to mind. reserve the MAC address of the PC in the router and restart the router. Do you need to open and assign some...

@TJCD On an Apple computer, you can set it up as a WIFI router using the Share option. Not sure about Windows machines.

@PlayerOne Not sure if there is one, but you have other options. You can use a standard extention cord but I assume that is not what you want. Next is to buy an after market power adapter with a...

@Ygolonac13 Take a look at travel routers as many allow WIFI input and you can connect an Ethernet device.