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Forum Discussion
Netgear router not working after Internet Modem changed to Arris TG4482A
I upgraded my internet in the last month or so, which came with an Arris TG4482A Modem/Gateway, and my R7000P keeps dropping out constantly and my Xbox One won't even connect anymore at all. Event lo...
That arris is a modem/router combo device. It causes a double nat.
A double nat happens when you cascade more than 1 router.
https://kb.netgear.com/30186/What-is-Double-NAT
Fixes? There’s 3 options but only use 1.
1. Put the modem/gateway in modem only/pass through mode. This disables its routing functions.
2. Leave the modem/gateway in router mode but put the Netgears IP address into its DMZ. This forwards the data to the netgear. You can either leave the modem/gateway’s wireless enabled or disabled. Just make sure its using a different wifi channel to prevent interference
3. Put the Netgear into access point mode. This disables its routing functions. Wifi/ethernet still works but it does disable some features.
https://kb.netgear.com/26765/Which-features-are-disabled-on-my-NETGEAR-router-when-it-is-set-to-AP-Mode
An alternative to the list of options that plemans suggests is to follow the usual startup process:
First factory reset your R7000P router so that it forgets any settings from your old internet service. (You should do that anyway if you change your Internet account.)
Then restart your network in this sequence:
- Turn off and unplug modem.
- Turn off router and computers.
- Plug in and turn on modem. Wait 2 minutes for it to connect.
- Turn on the router and wait 2 minutes for it to connect.
- Turn on computers and rest of network.
The R7000P may then spot that you have asked it to connect to another router and it will allocate its own local IP address accordingly.
This is probably not the best option as it will make it difficult for you to access the browser graphical user interface (GUI) and may also land you with other double NAT issues.
The choice of all the available options is down to what tasks you want the TG4482A and the R7000P handle.