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Brain storm what could cause packet loss over wireless net?

Discussion in 'Networking Issues' started by jabalsad, Jun 25, 2006.

  1. jabalsad

    jabalsad LI Guru Member

    Hi,

    I have a wireless network setup (linksys WMP54g connecting to a WRT54GL) i'm not really going into the specifics right here, if you request something i'll be happy to answer.

    I would like to know all the possible things that may cause packet loss over a wireless network. I've tried various solutions however havnt solved the problem yet. Its pretty intermittant, i'd have a packet go lost here and there.

    Any ideas would be great.
     
  2. slamcat

    slamcat Network Guru Member

    Re: Brain storm what could cause packet loss over wireless n

    Someone on the same channel in the same range as you, 2.4ghz interference (that could be a cordless phone, microwave oven). The cordless phone wouldn't even have to be in the same domicile to be creating a problem. Anything transmitting on 2.4 could be a problem for sure. Have you tried changing wireless channels?

    This is just a few off the top of my head.
     
  3. jabalsad

    jabalsad LI Guru Member

    Ok i've narrowed down the problem a bit.

    As for slamcat's reply, i'm the only house in a 1km radius (i dont know if that makes a difference or not there probably will be interference that reaches). Microwave ovens: checked, no cordless phones only phones are cellphones I dont know if they interfere with 2.4ghz. Basically any electronic appliance can cause interference the only way to rule that out is by taking it to a friends house far away i guess.

    Things i've tried:
    - Changing channels (1, 6, 11 and everything inbetween)
    - Playing with txpwr
    - Set router to b or g only mode
    - Put the transmission rate of the router very low (3mbps) which did make my dial up pppoe connection more stable. Apparently switching between transmission rates when the router is on auto causes packet loss
    - This happens on various clients with various setups.


    I have recently installed openwrt and it seems to be running more stable though I have observed a strange new behaviour: When i do a ping -t to the router, almost exactly every 60 seconds i get a packet that goes 1000ms+ and everything inbetween is <1ms. Weird eh?

    Well i guess my next best bet is to try a new completely new area, until then any other suggestions? :D
     

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