@cymru78 Upgrade the VR2800 FW to the latest release - Here's how upgrade the FW. Afterwards try this post suggestions to see if that will make any difference.

@LesW There's another option which can help when running a cable is not possible - using existing electrical wiring - PLC. While you can use a power-line adapter to mitigate this issue, the 801ND...

@sfuma70 Turning OneMesh feature OFF has been requested four months ago - here. You can support this request by commenting, adding remarks/suggestions or simply give thumbs up on it.

It sounds to me like some lagged behind stock cause the current C2300 is HW v2. An interesting reading about the wireless routers lifespan: https://technologyreviewer<dot>com/how-long-do-routers-last/

@LesW Use Repeater Mode: Description in your device user guide - here (Chapter 2.2.2.) This way you would be able to connect to your main router wirelessly. The downside here would be that the 801N...

@achronox I don't know if that's a SW bug - this should be addressed by TP-Link. Apparently you're with the Canadian FW region - that's the only version on the support portal. For example in EU...