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b1080's avatar
b1080
Aspirant
Sep 22, 2026

RAX120v2 Newly Disconnecting in Bridge Mode

I picked up a Nighthawk AX12 RAX120v2 to use for a Bridge. I have a few computers in the living room on LAN and I need them to be on Wifi with the main modem/router my ISP provided in another room for internet access. Apartment life, can't be running a cable between the two inconvenient locations.

I picked it up in early June and had no problems through June/July/August. In the last couple weeks I'm suddenly having issues daily and needing to power cycle the bridge. Other machines on Wifi aren't having any issue and rebooting the bridge router tends to resolve it, though not always without a couple reboots of it. It often works for hours with no issue, but other days I have to power cycle it every 15 minutes or less. Really a pain when streaming which seems to be the pattern of when it drops more frequently.

Does anyone have any idea how to trouble shoot to get more information on what's going wrong?


Thanks,
-B

12 Replies

  • Are devices connecting to the RAX120v2 over WiFi? (in addition to the devices that are on LAN?)

    • b1080's avatar
      b1080
      Aspirant

      No devices via Wifi to the RAX120v2 in bridge mode.

      In the household we have something like

      Wired connection to RAX in bridge
      * Linux desktop
      * 3 Windows Mini PCs (one is for TV PC, the other two are for software projects)
      * 1 NAS (linux)

      Wifi connected devices to the ISP router/modem combo (that the RAX also connects to)
      * Chromebook
      * MacBook 
      * Windows Laptop

      When the issues happen with the bridge, nothing is happening on any of the Wifi devices connected to the ISP router. When issues happen with the RAX, all of the connected devices lose internet.

    • b1080's avatar
      b1080
      Aspirant

      Nope, no device via wifi to the RAX120v2 in bridge mode.

      The apartment setup is approximately:

      Wired devices connected to the RAX120v2 in bridge mode
      * 1 Linux desktop
      * 4 Windows mini-pcs (1 is the TV PC, the other 3 are a mini-lab project)
      * 1 NAS (Linux)

      Wifi devices connecting to the ISP router/modem combo
      * the RAX120v2 in bridge mode
      * 1 Chromebook
      * 2 Macbooks
      * 1 Windows Laptop
      * 2 Android phones

      We've got one Software Engineer and one Graphic Designer who work-from-home so its a bunch of stuff for personal and professional needs.

      Whenever the issue happens, all the wired devices lose internet and none of the other wifi devices lose internet. Rebooting the bridge-router typically resolves it, but sometimes is takes a second reboot cycle for it to come back.

      • StephenB's avatar
        StephenB
        Guru - Experienced User
        b1080 wrote:

        Whenever the issue happens, all the wired devices lose internet and none of the other wifi devices lose internet. Rebooting the bridge-router typically resolves it, but sometimes is takes a second reboot cycle for it to come back.

        When the problem happens, can you access the RAX120v2 admin interface from one of the wireless devices?

         

        b1080 wrote:

        Wired devices connected to the RAX120v2 in bridge mode
        * 1 Linux desktop
        * 4 Windows mini-pcs (1 is the TV PC, the other 3 are a mini-lab project)
        * 1 NAS (Linux)

        Are you using all 6 ethernet ports on the RAX120v2?  (including the WAN port)?

         

        Or is there also a switch connected to one of the ports?

  • When something has worked for three months and suddenly has problems, we usually ask, "what changed?"  Perhaps new firmware on the ISP device?

     

    Might be worth discovering more information about how these devices "lose internet".

    • Can they still ping other devices connected to the RAX120v2?
    • Can they ping devices connected to the ISP router?  (or be pinged by them?)
    • b1080's avatar
      b1080
      Aspirant

      Good question! I honestly haven't been into the ISP device yet so I'll have to go look and see if anything has happened over there firmware wise.

      I'll have to test pinging devices next time it occurs. I rebooted the ISP router and then the RAX after and so far I'm going for two days without issue so far. Very curious.

      • b1080's avatar
        b1080
        Aspirant

        Spoke too soon, it went down again.

        * I could not ping devices behind it.
        * I could not connect to get into the admin panel on the RAX
        * On my linux machine I effectively got 2 messages
        1.) Limited Connectivity. Connected to a network but unable to reach internet.
        2.) IP Configuration was unavailable. (this seems like the one that tells us something)

  • FURRYe38's avatar
    FURRYe38
    Guru - Experienced User

    Firmware loaded on the RAX? 

    Distance between the RAX and the host wifi router? 

    What channels are you using on the host wifi router? 

    Does this happen when selecting 2.4 or 5Ghz frequencies for wireless bridge mode? 

    • b1080's avatar
      b1080
      Aspirant

      * The RAX was updated when I got it to V1.2.10.56 and hasn't had an update beyond that as far as I am aware. 
      * Probably 35-45ft. L-shapped rooms and doors setup between the two. Getting some things setup originally I was barely able to run a 50ft cable between the two. Quality wise, the basic google tests show pretty consistent 600-700 Mbps down. Wired was maxing out around 850 Mbps but often close to the Wifi stats.
      * Haven't customized this in the admin settings in any way. I actually am not finding the relevant options in there looking for it.
      * I have the RAX setup to connect over 5GHz only. I haven't tried 2.4GHz but could try for a time.