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How to correctly set up Qos for VoIP

Discussion in 'HyperWRT Firmware' started by badarac, Jun 3, 2005.

  1. badarac

    badarac Network Guru Member

    I am running a Linksys WRT54GS router with the current version of HyperWRT firmware. I have the Nuvio TA installed in port one of the router. I had the router configured to give priority to the mac address of the TA. I have the upstream bandwidth set to 275. I have tested this making calls while running speed tests and it does seem to be limiting the upstream and downstream bandwidth a little. It will not though limit the bandwidth to the point where call quality is not impacted.

    As an example yesterday I made a call at the same time my e-mail decided to send my outbound mail with some large files attached. The call quality immediately went down to the point where the conversation was almost impossible. I happened to be running PingPlotter at the time and times went as high as 2000+ MS.

    The e-mail program is running on a PC which is connected through a wireless port and I have no QoS set up for anything except the TA mac address.

    Anyone have any thoughts on this? I would have expected the QoS to give all needed bandwidth to the VoIP. Is there any advantage to configuring the QoS by port instead of mac address or doing both?
     
  2. frode3

    frode3 Network Guru Member

    how mutch upload u got? i got 512kb and i have set it to 380 no problems with bittorrent running also port 1 not using mac address but port based
    with hyperwrt newest firmware running 14 days with bittorrent with no probs WRT54G v2.2
     
  3. Menkatek

    Menkatek Network Guru Member

    Why do you set it at 380 instead of 512? I keep hearing people set it lower than their full upstream bandwidth...

    Also, if I use port-based QoS, does that mean the ports that I don't specify do not go through the filter?
     
  4. badarac

    badarac Network Guru Member

    My connection is 3000/300 or there abouts. I used the filtering by mac address instead of port just in case I moved some wires around in the router. I assumed that either way would work the same. The VoIP uses the 711 codec and uses about 90kb of my upstream bandwidth. If the Qos was working the way I expected it should limit the bandwidth for lower priority activities and give everything available to the high priority ports or addresses.
     

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