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Horrible wireless throughput on WRT54G v.3

Discussion in 'Cisco/Linksys Wireless Routers' started by Anonymous, May 12, 2005.

  1. Anonymous

    Anonymous Guest

    I'm attempting to stream unicast IPTV over wireless. The unicast requires at least 6mb/s sustained throughput. The maximum I pulled was around 4meg. There are no other wireless devices sharing the connection. Both the Linsys and the PC are forced at 54g. (The stream works great when physically plugged into the router.) Ironically, I can download at 10mb/s across the WAN port. From what I've read, I should be able to stream at 35mb/s across the wireless connection. I'm pulling my hair out...any suggestions?

    Linksys WRT54G v.3
    Firmware 3.03.6
  2. howardp6

    howardp6 Network Guru Member

    You will not get 35mbs from the WRT54Gv3. The best I could get is about testing with IPERF is 23.7 mbs with a 128k Windows TCP receive window using a WRT54GV1 and a WMP54Gv2. What is the size of your Windows TCP receive window, since it will limit the maximum transfer rate. With a WRT54GX and a WPC54GX, the best I could get is 41.7 mbs. Where did you get the 35mbs figure. The typical maximum throughput on a 802.11g wireless router is about 22mbs.
  3. Anonymous

    Anonymous Guest

    that was just a number I threw out. I'm not really sure of the actual throughput. However, I do know that I should be getting far more out of my wireless connection than I am. I'm missing something here...a setting or something.
  4. m4fia

    m4fia Network Guru Member

    Consider yourself lucky. I get 12.6 KB/s Max. I know i am doing something wrong, so could you please show me how to disable the limit?
  5. howardp6

    howardp6 Network Guru Member

    Increase the size of the Windows TCP receive window by editing the registry or download DRTCP021 from WWW.DSLReports.com. You can find it under Tests.

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