WMP54g v4.0 Drops around 15% of all Packets

Discussion in 'Other Linksys Equipment' started by wongojack, Apr 23, 2006.

  1. wongojack

    wongojack Guest

    My router is WRT54g with standard linksys firmware v4.20.7

    I have 2 laptops using linksys PCMCIA cards (I think WPC54g) that drop no packets even when right next to the computer with the WMP54.

    Currently I am using the most current drivers from the linksys website v3.0.3.0 from 4/21/05

    I've tried various driver configurations including version 3.1 from windows update and the original drivers from the CD which were 2.3.### something.

    Right now my SSID b'cast is enabled, and I am using WEP64 and the first key position as my default transmission.

    My signal strength is consistently "Excellent" with the drivers or the 3.1.## drivers, but I still get about 15% packet loss which makes it impossible to stream content to or from this computer within my personal network. It also makes web surfing irritatingly slow.

    Based on another post, I have disabled UPnP but this doesn't seem to do anything at all. Other things I've tried include giving the adapter a static IP, enabling frame bursting on the router, txburst on the card, adjusting frag threshold, RTS t'hold, and beacon interval - all with no improvement.

    I haven't tried a new slot, or put the card in a different PC, both of which would be relatively easy for me to test.

    When the adapter is performing well, the behavior I notice is that if I ping the router with ping -t, I'll get about 10 1ms packet responses then a drop then a couple responses of varied length then a drop, and then I'll get another 10 1ms packet responses and the cycle repeates.

    I'll try anyones troubleshooting steps if you bother to respond to the post.

    One thing that I should mention is that this card used to perform better, I was able to stream video to it from another machine on my network, but I've had a lot of changes since then. I kind of suspect that my firmware upgrade on the WRT router might have something to do with it, but I am hesitant to go back to the old firmware because my laptops perform fine.

    Any ideas are appreciated.

  2. kingvj

    kingvj Network Guru Member

    any cordless phones around? what's the distance? changed channels to 1/6/11? tried with disabling encryption? using WLAN or WZC?
  3. Toxic

    Toxic Administrator Staff Member

  4. infoterror

    infoterror LI Guru Member

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