Strong signal, yet can't connect reliably..

Discussion in 'Tomato Firmware' started by Sparky9292, Dec 17, 2008.

  1. Sparky9292

    Sparky9292 Addicted to LI Member

    I have Tomato 1.23 on a WRT54GL.

    My Airport Express, my MacBookPro, and my Windows XP laptop all have problems connecting to my router ever since I went from 1.22 to 1.23. This is the case even when a machine is placed within 10 feet of the router. The macbook will pop up and ask me to enter in the correct password at times, but often fail to connect.

    I have WPA2 with TKIP/AES for security. My guess is that something is wierd with the authentication against WPA.....

    With this little information, can anyone give me some general advice?:confused:
  2. bripab007

    bripab007 Network Guru Member

    Did you do an NVRAM erase before and after flashing to the new firmware? Did you import a configuration file from 1.22?
  3. Sparky9292

    Sparky9292 Addicted to LI Member

    Nope, I simply uploaded the new firmware. That's it.
  4. Sparky9292

    Sparky9292 Addicted to LI Member

    Ok, I flashed the NVRAM. Now there's no encryption. It's just 1.23 with the default settings (i hope).

    It's wierd, I can sometimes see the SSID, but when I go to connect, it says "connection time out".

    I wonder if my WRT54GL is simply just dead. At least the ethernet jacks still work.
  5. Sparky9292

    Sparky9292 Addicted to LI Member

    Found the problem. Mother-in-law put in a fluorescent energy efficient bulbs into a circuit controlled by a dimmer switch. When it's on, or dimmed, our wireless LAN goes screwy.

    Discovered this when we bought a new toy for our toddler. It would begin playing everytime she turned the circuit on or off. Thought it was a Poltergeist at first.
  6. Planiwa

    Planiwa Network Guru Member

    Dimmer switches and CFLs can be disastrous. Even if the dimmer switch is always "full-on". The smell, when they explode, is very, very bad. Not good for baby. Check it out. Make sure that the CFL is specifically made for use with dimmer switches, and make sure that you get a high-quality, no radio interference dimmer switch. Test with an AM radio.

    And, yes, the cheap dimmer switches work by simply clipping the power on and off. This results in sharp rises and falls of the wave form, and, effectively, dirty transmission on virtually all frequencies. (Remember Fourier transforms?)
  7. greenythebeast

    greenythebeast LI Guru Member

    I'm also having trouble with my MacBook Pro. It works for awhile and then it won't be able to connect to my network even if it can find the SSID. I don't have any dimmers that I know of in the house. The ethernet ports still work. Any other things that could be causing this? :(
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