Prioritize Skype Traffic - Tomato QoS

Discussion in 'Tomato Firmware' started by Armitage5, Dec 16, 2009.

  1. Armitage5

    Armitage5 Addicted to LI Member

    I am trying to prioritize Skype traffic on my Linksys WAP running Tomato. In several tutorials I have seen Skype traffic prioritized using a mac address or an IP or specific port number for Skype hardware devices. That really is not going to work well for me.

    I have several PCs running the Skype client all with different ports specified for incoming calls in Skype setup. I would like to prioritize all Skype traffic for all these PCs. I currently set this up using the L7 filter: skypetoskype. I've read that this is not ideal as the L7 filters are processor intensive. How should this be setup?
  2. karogyoker

    karogyoker Addicted to LI Member

    It's not processor intensive that much, dont worry. I have a lot of L7 filter, and my cpu never was used more than 50% even when i used a lot of P2P.
    200MHz is plenty.
  3. Armitage5

    Armitage5 Addicted to LI Member

    Now I am really confused. I was under the impression that the processor use for L7 filters was on the router itself, not my local machine. Is that correct? If not, then how do I check utilization on a router? I have a Linksys WRT54GL.
  4. karogyoker

    karogyoker Addicted to LI Member

    Of course it is on the router's processor.
    if you on windows:
    ctrl+c to exit top
    press any key

    if you are on linux, start a terminal, and the following is the same

    you can refresh top more frequently by starting it like
    top -d 1

    but then top uses more cpu (cc. 5%)
  5. Toastman

    Toastman Super Moderator Staff Member Member

    There isn't really much choice in the matter, but be comforted - as you are a single user then you will not be pushing your router too hard - despite the L7 filters being processor intensive, you aren't using many of them.
  6. Armitage5

    Armitage5 Addicted to LI Member

    Actually there are 4 people on 4 PC's on this router and that was originally what concerned me about using L7 filtering. After talking a look at 'top', total CPU is ~15% or less even when I'm on a Skype call. I may add 1 or 2 more before I'm through. But as least now I know how to tell if I'm pushing it to hard. Thanks for the help!
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