Modem & Router
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Why a modem has to be turned off before connecting to a router?
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Hello, as far as I can tell, most cable modems remember the MAC address of the device they are attached to and will not allow a different MAC address to connect. Because of this if you put in a new router without rebooting the modem, rebooting generally refers to power off then power on, the new router will most likely not get an IP address from the cable modem and thus will not connect to the internet. Rebooting/Restarting the cable modem allows it to re-register the MAC address of the new router you have attached to it and all should work.
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Hello, as far as I can tell, most cable modems remember the MAC address of the device they are attached to and will not allow a different MAC address to connect. Because of this if you put in a new router without rebooting the modem, rebooting generally refers to power off then power on, the new router will most likely not get an IP address from the cable modem and thus will not connect to the internet. Rebooting/Restarting the cable modem allows it to re-register the MAC address of the new router you have attached to it and all should work.
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