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WLAN to LAN Speed with WRT54GS Official 4.50.6 (WPA2)

Discussion in 'Cisco/Linksys Wireless Routers' started by murdock1234, Jul 15, 2005.

  1. murdock1234

    murdock1234 Network Guru Member

    today I switched from dd-wrt prefinal 5 to the original firmware of my WRT54GS, because of the poor WLAN Speed and the support of wpa2.

    Now I am using WPA2-PSK and I checked my WLAN Speed with NetIO 1.23.

    It seems, that the WRT54GS has a problem with encrypting packets, because the TX rate is much slower than the RX rate.

    C:\netio123\bin>win32-i386 -t

    NETIO - Network Throughput Benchmark, Version 1.23
    (C) 1997-2003 Kai Uwe Rommel

    TCP connection established.
    Packet size 1k bytes: 1823 KByte/s Tx, 2728 KByte/s Rx.
    Packet size 2k bytes: 1720 KByte/s Tx, 2643 KByte/s Rx.
    Packet size 4k bytes: 1668 KByte/s Tx, 2732 KByte/s Rx.
    Packet size 8k bytes: 1731 KByte/s Tx, 2720 KByte/s Rx.
    Packet size 16k bytes: 1905 KByte/s Tx, 3094 KByte/s Rx.
    Packet size 32k bytes: 1844 KByte/s Tx, 2803 KByte/s Rx.

    WLAN is client, see rates above and the server is a wired host, directly connected to WRT54GS.

    Does anybody see the same behaviour?


    PD: With dd-wrt I had only 800 KByte/s TX and RX
  2. RTSAnime

    RTSAnime Network Guru Member

    well dd-wrt has a bug in it right now that should be fixed with the next release. Also encrypting packets is harder in WPA2 because it uses AES encryption. You are expected to lose a little bandwidth as it puts more load on the router
  3. murdock1234

    murdock1234 Network Guru Member

    Yes, I know. But with TKIP I have the same issue. Any ideas?

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