I have had some weird issues where devices can't connect to the 2.4 ssid and now this morning almost all devices were unable to connect to the internet (wifi and hardline). Router showed good connection, devices were able to ping 8.8.8.8 but could not load any sites. Only one PC was able to connect to the internet with no intervention and it was on wifi. DHCP leases seemed to be all over the place with my PC pulling a duplicate IP that was already assigned to a smart home device. At this time there were NO static IP's assigned. I restarted both modem and router along with PC's. Ended up changing DHCP range and assigning static IP's for PC's. All of the sudden I have internet now. Why is this thing so inconsistent? I am not blocking any devices and there is no QOS turned on. Update edit: I am no longer able to access the router on hardline PC but still have internet access.....

What Firmware version is currently loaded?What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too? Be sure your using a good quality LAN cable between the modem and router. CAT6 is recommended. What channels are you using? Auto? Try setting manual channel 1, 6 or 11 on 2.4Ghz and 40 to 48 channel on 5Ghz.Any Wifi Neighbors near by? If so, how many? Has a factory reset and setup from scratch been performed since last FW update? A complete pull of the power adapters for a period of time after the factory reset then walk thru the setup wizard and setup from scratch with a wired PC and web browser. Recommend setting the default DHCP IP address pool range to the following after applying and a factory reset: 192.168.#.100 to 192.168.#.200.https://kb.netgear.com/24089/How-do-I-specify-the-pool-of-IP-addresses-assigned-by-my-Nighthawk-router

Edit: Using CAT6Modem: Arris Surfboard SB8200Estate lot neighborhood so I may see neighbors but they are not close enough to connect to.I think 2.4 is auto but not sure about 5.I can't even access the router currently. The issue is not isolated to wifi as my personal PC is hardwired and it also was seeing this issue. I was able to ping 8.8.8.8 but could not load any web sites. That being said, my work laptop which is on wifi seemed to be the only PC that was able to connect to the internet (no static IP assigned). I changed the DHCP pool to .2-.240 and started setting static IP assignments for other PC's on the network and that seemed to work. Also noticed when I switched my personal PC over to wifi for testing, there was a duplicate lease on the .37 address. Was assigned to my PC and my home security base station. When the PC was hardwired it pulled the .11 which wasn't a duplicate but the router did not show it online. Again, able to access router and ping 8.8.8.8 but not able to load web sites. I won't be able to perform a factory reset until after work as I don't want to break what is currently working. Able to ping the router but cannot access the router config by browsing to its IP. Get the message "this site can't be reached".

What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?

Added this as edit but will include as response.Using CAT6Modem: Arris Surfboard SB8200Estate lot neighborhood so I may see neighbors but they are not close enough to connect to.I think 2.4 is auto channel but not sure about 5.

I've heard of other SB8200 users having issues with there modems on there ISP services. Please first ensure the ISP service signal on the coax line up to the modem is in good working condition and to spec for the modems Mfr specifications. When you can, try changing to manual channels, after you can do a factory reset and setup from scratch. Also don't set any custom DNS on the router, use auto detect initially first. Also would set 40Mhz only channel width as well, Under Advanced Tab/Advanced Settings/Wireless Settings What all do you have connected to the router, wired and wireless devices?

XR1000 continuous connectivity issues (no internet for devices)

21 Replies

FURRYe38
Guru - Experienced User
Apr 12, 2023
What Firmware version is currently loaded?
What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?
Be sure your using a good quality LAN cable between the modem and router. CAT6 is recommended.

What channels are you using? Auto? Try setting manual channel 1, 6 or 11 on 2.4Ghz and 40 to 48 channel on 5Ghz.
Any Wifi Neighbors near by? If so, how many?

Has a factory reset and setup from scratch been performed since last FW update? A complete pull of the power adapters for a period of time after the factory reset then walk thru the setup wizard and setup from scratch with a wired PC and web browser. Recommend setting the default DHCP IP address pool range to the following after applying and a factory reset: 192.168.#.100 to 192.168.#.200.
https://kb.netgear.com/24089/How-do-I-specify-the-pool-of-IP-addresses-assigned-by-my-Nighthawk-router
- howmaybesgo
  Aspirant
  Apr 12, 2023
  Edit: Using CAT6
  Modem: Arris Surfboard SB8200
  Estate lot neighborhood so I may see neighbors but they are not close enough to connect to.
  I think 2.4 is auto but not sure about 5.
  
  I can't even access the router currently. The issue is not isolated to wifi as my personal PC is hardwired and it also was seeing this issue. I was able to ping 8.8.8.8 but could not load any web sites. That being said, my work laptop which is on wifi seemed to be the only PC that was able to connect to the internet (no static IP assigned). I changed the DHCP pool to .2-.240 and started setting static IP assignments for other PC's on the network and that seemed to work.
  
  Also noticed when I switched my personal PC over to wifi for testing, there was a duplicate lease on the .37 address. Was assigned to my PC and my home security base station. When the PC was hardwired it pulled the .11 which wasn't a duplicate but the router did not show it online. Again, able to access router and ping 8.8.8.8 but not able to load web sites.
  
  I won't be able to perform a factory reset until after work as I don't want to break what is currently working. Able to ping the router but cannot access the router config by browsing to its IP. Get the message "this site can't be reached".
  - FURRYe38
    Guru - Experienced User
    Apr 12, 2023
    What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?

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XR1000 continuous connectivity issues (no internet for devices)