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QOS Setting on Fiber 40mb/20 up

Discussion in 'Tomato Firmware' started by zorkmta, May 9, 2013.

  1. zorkmta

    zorkmta LI Guru Member

    Hi all, i would like to know if there any config for my internet.

    Month ago without problem with cable 20mb/2 mb.


    Now with fiber:
    1. without QOS (disable) speed test 40/19 aprox
    2. QOS (enable) got 10/8mb aprox. outbond limit 23000kbit/s and inboud 45000
      kbit/s
    Why so much difference and any recomended setting? help please

    Both with RT-N66U with .501.3 Std version
     
  2. Porter

    Porter LI Guru Member

    Did you use QoS when you still had cable?

    Other thoughts:
    I think your router is pretty powerful so I'm a bit surprised it can't cope with QoS at a decent speed. None the less you probably don't even need QoS with that amount of throughput. Have you thought about disabling QoS and see if you run into trouble?

    Don't use B/W Limiter and QoS at the same time.

    Post some screenshots of QoS Basic Settings and Classification.
     
  3. Monk E. Boy

    Monk E. Boy Network Guru Member

    So your speed test is 40/19 and you have the router's QoS configured for 45/23 and you wonder why performance is horrible?

    Look on the QoS Basic Settings page. "(Set to measured bandwidth less 15-30%)"

    If you're measuring 40/19 without QoS then you would need to set QoS to 34/16 as a bare minimum, if not 32/15 or lower.
     
  4. Porter

    Porter LI Guru Member

    Monk E. Boy:

    That's probably only the case if he measured his upstream and downstream at the same time. I think that's unlikely.

    zorkmta:
    But maybe you could tell us how you measure your speed?
     
  5. Monk E. Boy

    Monk E. Boy Network Guru Member

    Pretty much all the internet benchmark tests I've seen measure both downstream and upstream in two back-to-back tests, which is at least one way of interpreting what he wrote.

    I'll readily admit there's not much to go on but I'm guessing "outbond limit 23000kbit/s and inboud 45000 kbit/s" refers to the QoS settings he's configured in Tomato. I could be misinterpreting that, and I'm sorry if I am.

    I do know that if you configure the QoS settings too high for your connection then Tomato will (quickly!) run out of RAM for buffering and generally gets abysmal performance, which would match the reported problem.
     
  6. zorkmta

    zorkmta LI Guru Member

    After checking this weekend and config with more time, and found a mistake of my settings with bw limiter config. After to reset it and now working with qos and 90% and it is normal.

    Thanks for all instructions and help


    Enviado desde mi C6603
     
  7. Porter

    Porter LI Guru Member

    zorkmta:

    Are you saying that you are using B/W Limiter and QoS at the same time? Just checking, because I already told you not to use both at the same time.
     

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