Intermittent Connectivity Drops on Netgear XR1000v2 – Need Help!

[LokiD]

Main Router: Technicolor CGA4233 (connected to ISP)

• Secondary Router: Netgear XR1000v2 (WAN port connected to Technicolor LAN port, not in AP mode)
• Devices Affected: PC (wired to Netgear), Phone (WiFi on Netgear)

Issue:

• Several times a day, for a few seconds, websites (YouTube, social media, etc.) stop loading.
• However, PingPlotter still shows normal ping, and Speedtest reports full speed even during the drop.
• The problem only happens on devices connected to the Netgear (both wired and wireless).
• Devices connected directly to the Technicolor router work fine.
• The issue started after I powered off the Netgear using the hard button and restarted it. That's the only interaction I had in a month with the netgear, so it might just be a coincidence.

What I’ve Tried:
✔ Testing the Technicolor router directly – works fine
✔ Restarting both routers – no fix
✔ Factory resetting both the Netgear and Technicolor – no fix
✔ Setting a static IP for Netgear on Technicolor – no fix
✔ Disabling Double NAT by putting Netgear in DMZ on Technicolor – no fix
✔ Changing DNS settings (Google 8.8.8.8 / Cloudflare 1.1.1.1) – no fix
✔ Tried upgrading Netgear firmware to XR1000v2-V1.1.0.22_2.1.34_HOTFIX, but the file is .CHK, and the user manual says it needs an .IMG file, so I didnt risk bricking the rooter.

I don’t want to use Bridge Mode on the Technicolor (I need its WiFi), and I don’t want to enable AP Mode on the Netgear (I need its gaming features).

Looking for Suggestions:

• Could this be a routing issue on the Netgear?
• Any other settings I should check?
• How do I install the firmware update if the router expects a .IMG file but the update is a .CHK file?
• Should I try rolling back to an older Netgear firmware version?

Any help would be greatly appreciated! 😊

[LokiD]

Currently testing AP mode to see if the issue persists. So far, everything is stable, but I’ve lost access to DumaOS features, which I need.

[Netduma Fraser]

The firmware for the XR1000 is .chk so you're fine to upgrade. I don't think you'll have the issue in AP mode but go back to router mode, In LAN Settings, set the DHCP range to start at .50, then assign reserved IP addresses to devices between .2 & .49 so they're out of the DHCP range, apply, reboot from the interface, wait 4 minutes and see if that stops the disconnects.