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Forum Discussion
Jimbosbox007
Jul 02, 2019Aspirant
Bridge Mode?
Does this modem come from the factory in Bridge mode? I'm having problums port forwarding. I have set up the netgear router (AC1200) with no luck on any ports. I did the activation thru Xfinity.
FURRYe38
Jul 23, 2019Guru - Experienced User
Again, the CM series modems are modems only. There is NO NAT or router functions here. You only get built in router or NAT functions with C series modems.
Possible your main host router isnt' configured correctly. Contact the Mfr of the main host router for additional help and support.
If the CM modem isn't working, try a different CM modem. The CM1000 would be a better modem. The CM500 is an intel based chip set modem which there are known problems with this chip set Mfr:
The CM1000 is a broadcom based chip set modem.
- SeanDoughtieJul 23, 2019Aspirant
It's going back. Everything works fine on the modem that I have that is about 10 years old. Just it's not longer supported by cox; though it still works.
It really is a poor product and a collosal waste of my time. I was on the phone with tech support for 40 minutes last night and they concluded it was the Apple Airport Extreme was the problem. Though it works fine with the old modem.
I will definately let bestbuy know it's a poor product also...
- FURRYe38Jul 23, 2019Guru - Experienced User
Ya, ok. Sounds like this is apple router issue. Probably a mis-configuration or incompatibility issue. The CM modem works for others so I doubt NG is entirely to blame.
Good Luck.- SeanDoughtieJul 23, 2019AspirantWell, I think it’s the typical tactic of shifting responsibility to another manufacturer to get you off the phone. If I unplug one modem and put another in its place and things are now misconfigured? I put it back the way it was and it works?
We are dealing with different layers of OSI model that should even affect this.