Successfully Prioritizing Bandwidth?

Discussion in 'Cisco/Linksys Wireless Routers' started by KaoTiK, Nov 7, 2005.

  1. KaoTiK

    KaoTiK Network Guru Member

    Hey, I have a WRT54G 1.1 on the HyperWRT Tofu6 firmware. I'm trying to set up bandwidth restrictions/priorities between multiple computers on the router, but nothing seems to work.

    Tried MAC Address prioritizing, port prioritizing, application prioritizing, and IP prioritizing, none of them are effective.

    I tried on HyperWRT, the official Linksys firmware, and DD-WRT, none of the QoS settings seem to be effective in any fashion.

    If anything, all computers get restricted, even ones with High Priority.

    How would one go about successfully getting QoS to work on the WRT54G?

  2. Toxic

    Toxic Administrator Staff Member

  3. KaoTiK

    KaoTiK Network Guru Member

    Yeah, I have it configured properly according to that.

    Upstream BW is set to Auto.

    I have 3 MAC Addresses in, one set to Highest, 2 to Low.

    All 4 ports are set to Low Priority with Flow Control enabled.

    And I have 2 application ports set to Low Priority.

    However, none of these settings seem to take precedence. The computers all share the bandwidth equally, and other applications dont take precedence over the applications I have set to Low Priority.

    Any ideas why this would happen?

    EDIT: I just tried some of the other features, such as blocking certain services. Doesn't work either. None of the access restrictions/QoS features seem to be functional.
  4. KaoTiK

    KaoTiK Network Guru Member

    Bump... Anyone? :sadbye:
  5. chris-at

    chris-at Network Guru Member

    Don't set upstream-bandwidth to auto because this is not working (very well).
    Set it to manual instead at 80-83% of your official upload-bandwidth (if you have 256k, then enter a value from 204 to 212). Now QOS should work properly.

  6. KaoTiK

    KaoTiK Network Guru Member

    Alright, I'll try that, thanks. :)

    BTW, just wondering, why is it that for QoS you don't set your real upstream bandwidth? I don't really see a purpose for setting it to only 80% of your real upstream.
  7. chris-at

    chris-at Network Guru Member

    I tried to explain this in a few words at the hyperwrt-forum.
    You can find it here:

    If you really need to get the maximum out of your upstream:
    If you don't have a DSL but ethernet connection, maybe you can go as far as to 90%. You'll have to try it out. Start with 80%, do some testing, raise to 81%, test again, ... as long as you realize it's not working anymore. Then go back to the last working value. For DSL this will be at 83% in fact.
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