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Forum Discussion
Xerloq
Jan 13, 2026Aspirant
CM1100 won't connect to routers
I have a CM1100 that started having issues today. It will not connect to my router. It will, however, connect directly to a laptop. My setup is: ISP -> CM1100 -> Router/Firewall -> APs & Swit...
FURRYe38
Jan 13, 2026Guru - Experienced User
Make sure you use LAN Port 1 for connecting to any ethernet router.
Make sure you power OFF the CM modem for 30 seconds then back ON after connecting any new router to the CM modem.
Contact the Mfr of the external router/firewall for help and information regarding there product since you tested a laptop and that works.