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Thanatoastyyy's avatar
Mar 16, 2022

AC1750 /R6400v2 throttling itself

I have a 1gb connection but barely seeing speeds of 100mbps. Ive called my isp and they said thats it is nothing on their side and that I should factory reset my router. After doing that it ran at 1gb again, after a few months though it reverted back to 100mbps. He said that it was probably due to the firmware of my router. I am currently running v1.0.4.122. If that is the issue id love it if someone could walk me through the process of reverting back to an older firmware.

11 Replies

    • Thanatoastyyy's avatar
      Thanatoastyyy
      Aspirant

      So im not sure what modem/gateway it is, my router is plugged into a fiber optic line via a little box. Those speeds are wired and have been tested on my pc which is connected via Ethernet cord. Ive check on speedtest.net fast.com etc and got 1gb speeds after a full factory reset of my router. But it reverted back to 100mbps speeds. So while fiddling around in my routerlogin page i restarted my router sooooo.

    • Thanatoastyyy's avatar
      Thanatoastyyy
      Aspirant

      Seems like my upload didnt work for my port stats, hopefully this one works stats

       

      • schumaku's avatar
        schumaku
        Guru

        For whatever reason, the one and only active LAN connection negotiates to 100 Mb/s only.

         

        Typical cause is for wrong link rate negotiation is the cabling, or in the physical ports. Start with using a different cable. 

         

        What device (computer, switch, ...) is connected to the LAN2 port?

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

    Has a factory reset and setup from scratch been performed since last FW update?

    Has this router seen near 900Mpbs on a wired speed test before the update? 

    • Thanatoastyyy's avatar
      Thanatoastyyy
      Aspirant

      Im not sure about the isp modem, i have a fiber optic connection, shouldve added that. Im not 100% sure about restarting after the last FW update, but after i saw 1gb speeds through every speed test through my wired pc