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Chorgey's avatar
Chorgey
Aspirant
May 18, 2020
Solved

Slow speed with RAX 80 on Wifi

I have a 300Mbps speed package with Comcast. When I plug the desktop directly into the CM1150V, I get download speeds of 325.9 Mbps, Upload is 8.7 and 16ms for ping.   When I connect the desktop to...
  • Chorgey's avatar
    Chorgey
    May 20, 2020

    I just wanted to update on the situation. I needed a BIOS update and after downloading/installing, I am getting the speeds that I should be getting.

Chorgey's avatar
Chorgey
Aspirant
May 20, 2020

I just wanted to update on the situation. I needed a BIOS update and after downloading/installing, I am getting the speeds that I should be getting.

idlacrosseplaye's avatar
idlacrosseplaye
Tutor
May 20, 2020

Mine is slow too...

 

You needed a BIOS update? Do you mean firmware for the router, an iOS update, or something elsewhere? What firmware are you running? I am on V1.0.2.76_1.0.35

 

Can you also let me know:

  • what channel you selected? 
  • Do you have AX on or off?
  • Do you use QoS?
  • did you enable IPv6?
  • are you in 5GHz 4800Mbps, 2400Mbps, or 1200Mbps mode?

 

Thanks!

Rob

  • Chorgey's avatar
    Chorgey
    Aspirant
    May 20, 2020

    You needed a BIOS update?

    Yes

     

    Do you mean firmware for the router, an iOS update, or something elsewhere?

    I have a Dell Desktop, after going to their website, I ran a system check and it shown that my BIOS was out of date, I downloaded and installed it.

     

    What firmware are you running? I am on V1.0.2.76_1.0.35

    I am also on Firmware Version V1.0.2.76_1.0.35

     

    Can you also let me know:

    • what channel you selected?  On 2.4Ghz, I am on Channel 11 and on 5G I am on Channel 161
    • Do you have AX on or off?  ON
    • Do you use QoS?  OFF
    • did you enable IPv6?  NO
    • are you in 5GHz 4800Mbps, 2400Mbps, or 1200Mbps mode?  2400Mbps

    also, in Advanced>Wireless Settings for both 2.4 and 5G, I have...

    Fragmentation Length 2300

    CTS/RTS Threshold 2301

     

    and in ADVANCED > Setup > WAN Setup...

    In the MTU Size field, I entered a value of 1472

    as suggested by support.

     

    Don't forget to Power Cycle..

    >> remove the router from the main power supply.
    >>remove the modem from the main power supply.
    >>wait for 2 min
    >> power ON your modem.
    >>once the modem is stable then power ON your router.

     

    Hope it helps... this was driving me up a wall for a little over a week.

    • idlacrosseplaye's avatar
      idlacrosseplaye
      Tutor
      May 20, 2020

      Those settings put me to 233Mbps... :(