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txbesmer's avatar
Mar 23, 2022
Solved

AX12 RAX120 Constantly Rebooting

For the third time in a year, this router has started to reboot itself about 10 times per hour.  I have 50+ wifi/wired devices connected.  Current firmware v1.2.3.28 installed over 3 months ago.  No recent changes to network configuration.  No log entries that point to a specific cause.  debug login shows 88.11% CPU load which leads me to believe this is the root of the problem.  I'm beyond frustrated that a router of this caliber cannot handle my network.  Not a business, no gaming, 1 TV on YouTubeTV.  Lots of 2.4 mhz devices mostly switches.  2 POE cameras, no NVR, local SD Card storage only.  I've read a lot about these routers overheating, rebooting for power problems, and other reasons.  When it works, it's great.  When it doesn't, it won't give you any indication why.

  • The last time this happened, I did do a factory reset. No help. That time I was inside the return window so I sent it back for another one. That’s the one I have now and it’s been solid for months since it too had the problem twice. Ruling out a defective unit. Update: I unplugged it for the overnight. Powering it back up in the morning, it’s been solid once again. Definitely a heat issue. I also have a mesh that records traffic to each connected device. One tablet running a surveillance camera stream had used over 7.5GB 2.4mhz streaming over a 2 hour period just before this started. I’ve disabled 2.4mhz WMM and the home assistant card responsible for the streaming. No more problems. Bottom line, this router cannot handle 2.4mhz streaming video. It will overheat.

15 Replies

  • it "should" be able to handle that load without issues. I've got very similar loads on my network and I've ran it on lower performing routers (and higher). 

    I'd be better on a process getting stuck. Have you did a factory reset? 

    • txbesmer's avatar
      txbesmer
      Guide
      The last time this happened, I did do a factory reset. No help. That time I was inside the return window so I sent it back for another one. That’s the one I have now and it’s been solid for months since it too had the problem twice. Ruling out a defective unit. Update: I unplugged it for the overnight. Powering it back up in the morning, it’s been solid once again. Definitely a heat issue. I also have a mesh that records traffic to each connected device. One tablet running a surveillance camera stream had used over 7.5GB 2.4mhz streaming over a 2 hour period just before this started. I’ve disabled 2.4mhz WMM and the home assistant card responsible for the streaming. No more problems. Bottom line, this router cannot handle 2.4mhz streaming video. It will overheat.
      • plemans's avatar
        plemans
        Guru

        What "mesh" is controlling traffic/monitoring it? 

        Maybe its causing a loop thats putting a burden on the cpu. the 2.4gh traffic shouldn't put much burden on that cpu to hit 88%