QOS Question: Highest vs None

Discussion in 'Tomato Firmware' started by gregg098, Oct 24, 2009.

  1. gregg098

    gregg098 LI Guru Member

    I have an Ooma hub and want to use it for faxing, but have had some problems because its VOIP and Im faxing. Currently it is behind my router and I have QoS setup to use the Ooma Mac address as Highest Priority.

    I was wondering, would making a new class with NONE for inbound and outbound rates and limits be better than Highest? I would think that if there is no control over a device, then it will just take whatever it wants. In this case, its VOIP, so its not going to overwhelm my system.

  2. Toastman

    Toastman Super Moderator Staff Member Member

    Probably that wouldn't be successful. The usual reason for poor latency and good throughput (needed for VOIP) is that the router is becoming saturated by other incoming data, leaving little room for VOIP packets. In short, your QOS system is not properly set up.

    Reading through the threads below, will give you some useful tips. The biggest help will be to (a) set an outgoing maximum limit of certainly no more than 85% of your MEASURED bandwidth on the internet connection at any time of the day or night (b) Set a maximum inbound limit of 66% of your maximum measured bandwidth. These will probably immediately improve things somewhat. There are some working examples which may be useful, adapt them to your own useage.


    and the QOS thread in it's entirety


    Good luck!
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