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Forum Discussion
Solved
Internet Connectivity problems with R8000
I've had an R8000 Nighthawk for several months, connected to Comcast. Today, our internet was intermittent this morning, and got worse in the afternoon. Finally mid-afternoon the internet went down c...
Whenever you change the device that is connected to the cable modem you need to power cycle or reset the cable modem, this is because the ISP equipment uses the MAC address of the connected device to allocate your Public IP, and resetting the modem causes the change to be recognised. It may be that you simply didn’t hit on the correct sequence of connections / resets.
Setting the MAC address of the router to the same MAC address of the computer that had previously connected to the modem means that there is no effective change of MAC address when you switch between computer or router connected to the modem, and in that case no power cycle / reset is needed. If however you connect something else directly to the modem e.g. another computer, then the modem will need to be reset.
Whenever you change the device that is connected to the cable modem you need to power cycle or reset the cable modem, this is because the ISP equipment uses the MAC address of the connected device to allocate your Public IP, and resetting the modem causes the change to be recognised. It may be that you simply didn’t hit on the correct sequence of connections / resets.
Setting the MAC address of the router to the same MAC address of the computer that had previously connected to the modem means that there is no effective change of MAC address when you switch between computer or router connected to the modem, and in that case no power cycle / reset is needed. If however you connect something else directly to the modem e.g. another computer, then the modem will need to be reset.
What you said makes sense... I may have had two problems... a bad router, and modem IP confusion when I installed the new router... We'll never know, but it's an idea.