WiFi bandwidth is lower with DD-WRT v23 (sp3) than Thibor

Discussion in 'DD-WRT Firmware' started by mw1001, Dec 23, 2006.

  1. mw1001

    mw1001 Network Guru Member


    I’m using Thibor for over a year. Yesterday I downloaded DD-WRT to give it another try, since last time I installed was a long time, and my WRT54GS don’t liked very much (was the v23 final, almost a year ago, and the router was resetting every few hours).

    The reset problem don’t happened with actual version until now, with was probably solved by now. But, since I start the test , I noticed a significant lower bandwidth with DD-WRT. While using Thibor I got 23~24kbps transferring a file, with exactly equal conditions and same WiFi setup and DD-DRT throughput is limited to 19kbps.

    I switch back to Thibor to certify about the WiFi setup values, and everything is equal: Beacon/DTIM interval, basic/transmit rates, Threshold. Everything!

    Is normal a lower performance with DD-WRT or is a problem with this particular version?

  2. Mastec

    Mastec Network Guru Member

    I am using v23 SP2 and my downloads are fine. Using Azureus i get anywhere from 5kps to 900kbs just depends how many are connected. Downloading programs off the net I get 500kbs to 1.5Mbps. Never tried SP3 and dont plan to, as long as this is working there is no need to fix it.
  3. mw1001

    mw1001 Network Guru Member


    I’ve tested between a "wired" computer and a Wi-Fi notebook, to find maximum throughput. The difference in this case, like related above, is significant.

    With Internet connection there isn’t any difference of download/upload bandwidth, since my connection is 512kbps/2mbps (only 10% of total throughput). I downgraded to final SP2, and the throughput is the same as SP3.

  4. larsrya8

    larsrya8 LI Guru Member

    Was your transmit power level the same?
  5. mw1001

    mw1001 Network Guru Member

    Yep, 42mW (standard with Thibor).
    I didn't tested this days. Will try again next week, after holydays. Probably other dd-wrt version.
    I'll post the results here.

  6. HennieM

    HennieM Network Guru Member

    It seems that is just so. Search the forums and you'll find many reports that dd-wrt is a bit slower than some others when pushing the wireless thruput on most (if not all) versions.
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