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Forum Discussion
RR6913
May 11, 2021Aspirant
CM1000 Internet stops working
The Internet stops working. This happens once every 24 hours. When I check the cable modem all the lights are on and green. When i plug a laptop into the cable modem it pulls the public ip informati...
plemans
May 11, 2021Guru - Experienced User
the problem with your troubleshooting is the the ISP assigns 1 public ip address. When the router is connected, thats whats using that IP address. Unplugging the router and plugging in a computer isn't going to pass that IP address to the next device unless you reboot the modem. So your method of testing the modem, isn't.
to test it. get the laptop/pc working directly connect and leave it for more than 24 hours (or the period it normally fails during). If it drops, then it could be a modem issue. If it stays connected for longer than the period where you were having drops, then its likely a router issue.
RR6913
May 11, 2021Aspirant
I see that the laptop gets a diffrenet ip address than what my router gets. I have copmpared the ip information between what the laptop gets and what my router gets and they are diffrerent. The laptop then should work when i plug it into the cable modem the first time.
- plemansMay 11, 2021Guru - Experienced User
there's a difference from a public ip address assigned by your isp and the private ip address that the router assigns.
You can believe what you want but in normal circumstances, when ever you change whats connected to the modem, it needs to be rebooted to reassign that ip address
- RR6913May 11, 2021Aspirant
Thanks for the information. I am going to try some more test.