DSL-AC68U upload speed cut in half with firmware 3.0.0.4.386 (DSL v1.0.5.1.)

Home Forums Wireless Routers & Modems ASUS DSL-AC68U upload speed cut in half with firmware 3.0.0.4.386 (DSL v1.0.5.1.)

  • This topic has 7 replies, 2 voices, and was last updated 1 week, 2 days ago by AvatarVáclav Vokolek.
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  • #10136
    Václav Vokolek
    Participant
    • Posts 4
    • UKTechHub Recruit
    Hello Gentlemen,
    
    I have noticed after update from 3.0.0.4.384_81981 (DSL driver 1.0.4.9 ) to 3.0.0.4.386 (DSL 1.0.5.1.) the upload speed is cut in half. I have  T-Mobile 100/10 VDSL2.
    I tried version 386_38287, 386_38832, 386_39648 always with reset and clean settings.
    There is faster downstream data rate achieve 100Mbps but upload speed is only 5Mbps although upstream data rate is 10Mbps. I did measuring via ASUSWRT, speedtest.net and fast.com.
    I also tried to turning off QOS, but nothing change.
    Upload is cut and constant at 5Mbps.
    
    Somebody with same issue?
    
    Any help is highly appreciated.
    
    Thanks / Václav
    #10141
    UK Sentinel
    Moderator
    • Posts 2237
    • UKTechHub Skipper

    Welcome, your DSL Sync rate for Upstream according to your stats is just over 10Mbps for both firmware’s and a speed test of 9 Mbps is good,

    A speed test of 5Mbps is not so good as you have said.

    Under Modulance DSL- you have both G.vectoring and G.inp enabled, is that normal for your connection?

    Is speed test via wired or wireless client as maybe a wifi issue ?

     

    • This reply was modified 1 week, 5 days ago by UK Sentinel.

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #10143
    Václav Vokolek
    Participant
    • Posts 4
    • UKTechHub Recruit

    Hi,

    Yes it is normal for my connection that both G.Vectoring, G.INP are enabled. When one or other settings is disabled the data rate and download is lower (app. 50Mb/s).

    The speed test is via wired computer.

    I did roll back to old version firmware 3.0.0.4.384_81981 because of half upstream.

    Thanks

    #10144
    UK Sentinel
    Moderator
    • Posts 2237
    • UKTechHub Skipper

    Was AiProtection On ?

    Did you try Version 3.0.0.4.386_39648  which is the latest firmware ? if you have tried the latest firmware then send a feedback form to ASUS so they can look to see if there are faults with new firmware

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #10149
    Václav Vokolek
    Participant
    • Posts 4
    • UKTechHub Recruit

    Changing AiProtection has no effect. Yes a tried Version 3.0.0.4.386_39648 and hard reset and manual settings.

    I did some testing yesterday with 386_39648. If I switch off G.vector then upload is 9.62Mb/s but download is only 55Mb/s. I have to also switch off SRA to achieve at least 75.7Mb/s but then path mode is interleaved instead of fast.

     

     

    • This reply was modified 1 week, 4 days ago by Václav Vokolek.
    #10154
    UK Sentinel
    Moderator
    • Posts 2237
    • UKTechHub Skipper

    Interesting, so if you just use 3.0.0.4.384_81981  then you achieve good download and upload sync rate (speeds) ?

    I will drop ASUS an email and ask them if there are any known issues with the latest firmware

    For you – 3.0.0.4.384_81981 (DSL driver 1.0.4.9 ) sound the best option for now

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #10155
    UK Sentinel
    Moderator
    • Posts 2237
    • UKTechHub Skipper

    Also if you are a little technical, have a look at a developer called @Gnuton whom combines ASUSWRT-Merlin firmware with Source code from the DSL-AC68U to give extra functionality for the DSL-AC68U etc.

    https://uktechhub.com/forums/topic/who-is-gnuton-and-what-is-he-about/

    https://gnuton.github.io/asuswrt-merlin.ng/

    In a completely sane world, madness is the only freedom (J.G.Ballard).

    #10159
    Václav Vokolek
    Participant
    • Posts 4
    • UKTechHub Recruit

    Hi,

    thanks for the support. Yes, I achieve good download and upload with 3.0.0.4.384_8198.

    I used ASUSWRT-Merlin DSL firmware by Gnuton before. No more update today. The last one is from June.

    Have a nice day and stay safe

    BR / Václav

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