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Faulty WRT54G 2.2

Discussion in 'Cisco/Linksys Wireless Routers' started by JohnSK, Mar 6, 2005.

  1. JohnSK

    JohnSK Network Guru Member

    hi ppl..
    so basically I have 2 WRT54G 2.2's. One is working properly, the other is timing out when transferring large files. Both have been reset, reflashed and setup the same way and still one of them is making trouble - which means only one thing and that's a fault in the HW.

    I'd like to ask ppl who have troubles when copying large files at high speeds or trouble using BT to list their serial number,maybe this is a problem with a specific batch of WRT54G's. Also mention what FW you use and whether you raised the output power from the default 28mW.


    My faulty WRT54G:

    S/N: CDF70DC94624
    FW: offical
    Output: 28mW
  2. djhpr

    djhpr Network Guru Member

    I have a WRT54G v2.2 that's exhibiting the same problem. I will post the S/N tomorrow since I'm not home.
  3. linksysonline

    linksysonline Network Guru Member

    John you have offical has your FW... maybe include the actual version # you are using...
  4. JohnSK

    JohnSK Network Guru Member

    The latest from the LinkSys site, 3.03.6.

    Link to official FW

    Anyone else agree that this has to be a manufacturing error? Two WRT54G with the same config,FW,setup,antennas and placement - one workx and the other not. As I mentionned elsewhere on this forum, a friend of mine has the same batch and he is ALSO experiencing the SAME problems. "QC OK", yeah, better check next time you place that sticker on the box :)

    Forgot to mention - pinging the device constantly when transferring a large file leads to loss of connection for 3 pings (32 bytes long) - then normal operation resumes and this repeats a few times (2-3 on average) and then the router simply locks up - no pinging possible, no data transferred..
  5. Scroatdog

    Scroatdog Network Guru Member

    Yep. Tons of people having this problem. Near as I can figure, it's a linksys DEFECT that they refuse to acknowledge and/or correct.

    Check it out:

    3page thread on linksys crapping out
  6. Zingam

    Zingam Network Guru Member

    I had the same problem. Flashed it to the latest firmware and it worked but now my WLAN range is shorter and connections are slower, especially distance is larger.

    Try these settings:

    Fragmentation Threshold: 2304
    RTS Threshold: 2304

    Try if it works, if not set TX rate to 11Mbps and try again.

    Write here if you have any success.

    Above settings are from a email from linksys support. They also say they tried it and it worked. Which seems to me as if they admit that there is a problem. If someone want the exact answer I can post it here.
  7. RoundSparrow

    RoundSparrow Network Guru Member

    Have you traded their positions? Maybe something about the placement is getting a wireless interface signal that is crashing the drivers.... I've seen it. Plus heat may be slightly different in two locations?

    How often does it crash, frequent enough that the test can be scientific (and swap back and forth)?

    Have you eliminated overheating? Put a huge fan pointing at the problem one? Does problem get better in any way?

    You have the perfect setup to at least gather more information, others aren't lucky to have one good and one bad :)
  8. JohnSK

    JohnSK Network Guru Member

    Both of them are on my balcony. The temp outside is -4 C so heat is not an issue. Crashes occur for example when I try to d/l Windows XP 64bit RC1 from Microsoft's website - it speeds up to 400 kb/s, then stalls, sometimes resumes and again stalls or completely craps out. Same with BT, when d/l's get to around 300kb/s the WRT54G doesen't respon any more.. I just brought my friend's WRT54G and will test it.

  9. WillyNilly

    WillyNilly Guest

    I, too had a WRT54G that was exhibiting the same problems ( see "High throughput causes disconnect" thread). I RMAed it from AMazon, got the replacement unit 6 days ago, and its been running flawless since. It's a v2.2 unit running Linksys FW 3.03.1, but planning to flash it using HyperWRT 2.1b1 in a couple of weeks.

    Info on faulty WRT54G: v2.2 sn: CDF70DC69614

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