Question about IBM ThinkPad T43 Notebook

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Wireless signal intermittent

I have a D-Link DWA-3200 Wireless Gateway router using a static ip address connected to a cable modem which has the same static IP. I have 2 d-link dwa-3200 access points, one connected wired to the router and the other is on the floor above. The one on the floor above is not connected hard wired, it picks up the wireless signal. What could cause the intermittent signal that people are getting as they use the wifi? I tried switching channels, but when I unplug the cable modem, router, and two access points then reconnect them in this order: cable modem, router, then access points, it works fine for a while. I have a feeling it may be something with the amount of bandwidth - people using it. It is in a public library

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  • Joseph Murphy
    Joseph Murphy Feb 11, 2009

    I noticed I have it under the wrong category

  • Joseph Murphy
    Joseph Murphy Feb 11, 2009

    How do I set one of the access points to be priority? The access points one on each floor, are set to WDS and the mac address points to the other access point. The DSA-3200 wireless public gateway is connected hard wired to one of the access points, then the other access point picks up the wireless signal, it is not hard wired.

  • Joseph Murphy
    Joseph Murphy Feb 11, 2009

    The computers that are losing the connection are wireless. The computers patrons use at the library connect to either the access point thats connected to the gateway router or the other access point on the main floor which uses WDS to connect to the other access point.

  • Joseph Murphy
    Joseph Murphy Feb 11, 2009

    I configured each of the two access points with the rogue ap and selected the other access point added it to the list. I deleted the others that came up when I hit detect. Would that help? The wireless is connected to the cable modem, giving patrons access to the internet. Our main network is static ips.

  • Joseph Murphy
    Joseph Murphy Feb 11, 2009

    I'm using wireless G, the router and two access points are set for mixed b/g. I have NetStumbler on one of our laptops, but I don't think I have a bandwidth monitor. What program would you recommend?

  • Dan rogers
    Dan rogers May 11, 2010

    Have to say i just downloaded the net stumbler and that is a pretty slick little program. Looks like i'm gonna have to learn how to use this one. thanks for turning me on to this one



  • Dan rogers
    Dan rogers May 11, 2010

    the first issue i see is that you are running a G network. This should work since most older laptops run G but it could still be an issue.
    To monitor the bandwidth try using something like this...

    http://sourceforge.net/projects/freemete...


    I don't have much to recommend or offer here. At work we have a fatpipe that does all this for us. But we are in the middle of trying to implement the wireless network since we are soon expanding to the third floor. The best we have got so far is running routers that have G/N networking and even still on the third floor (routers are on the forth) we have limited connectivity. In our case we know that it is limitations based on the actual building itself.

    In your case however it seems that if it is just dropping the internet and not the network connection that it is a bandwidth problem


  • Dan rogers
    Dan rogers May 11, 2010

    Before we start digging real deep into this problem do you have a program that monitors the bandwidth usage? and are you running wireless G or N?

  • Dan rogers
    Dan rogers May 11, 2010

    Are the computers that are losing the connection wired or wireless?

  • Dan rogers
    Dan rogers May 11, 2010

    It could be the bandwith. But i am also thinking that it is switching the connection to the rouuters. Can you set one of them to be priority?

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First make sure you have the latest update for your bios and wireless device, your os is probably non preload so clean any access connections utility provided by ibm, rather than using the ibm thinkvantage access connection make sure to use the windows own utility to control the wireless device

Posted on Feb 13, 2009

  • Ginogin Feb 13, 2009

    First make sure you have the latest update for your bios and wireless device, your os is probably non preload so clean any access connections utility provided by ibm, rather than using the ibm thinkvantage access connection make sure to use the windows own utility to control the wireless device

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