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WAP54GPE, Axim wireless crashes network.

We have an MS Small Business Server2003 network. About 18 workstations. An independent vendor set up a system using 3 Linksys WAP54GPEs with POE to connect 12 Dell Axim PDAs to the network to upload time clock data. When their system is connected to the wired LAN through the switches (3Com 3300s) all users on the network are intermittently disconnected from the network. The time between disconnects varies, the time of the disconnects appears to be greater than one minute and less than ten. Definitely long enough to cause unrecoverable data loss if users are in database apps.

I have disconnected their wireless system, but they seem lost as to the problem. Can anyone give me some ideas on troubleshooting. I don't know a lot about WAPs and wireless, but I know all 3 have the same SSID.

Reply to
TimmieJoeBob
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On Wed, 12 Jul 2006 20:51:06 GMT, "TimmieJoeBob" wrote in :

Which network? Wireless? Wired? Both? What exactly do you mean by "disconnected from the network"? How would there be "unrecoverable data loss" on a TCP/IP connection?

Reply to
John Navas

Wired for sure. Not sure about wireless although I'm assuming it is affected as well. I believe the idea of the developers is that the wireless portion is merely an extension of the wired.

I mean they totally lose connection to network shares for long enough to cause trouble. Shares cannot be seen and data cannot be sent or received.

My bad description, sorry. If a database app, such as accounting, is in the middle of processing transactions the disconnection lasts long enough that the program times out. If this happens mid-processing data is lost. In SQL apps it is recoverable, but one of our database apps runs on Foxpro and it is not forgiving. Another app uses a proprietary database that stores CAD data. It is even less forgiving. We had some corrupted files this past weekend. Fortunately we were able to rebuilt them.

Reply to
TimmieJoeBob

On Thu, 13 Jul 2006 02:15:33 GMT, "TimmieJoeBob" wrote in :

The most obvious place to look for a problem is the wired connection between WAP54GPE and 3COM 3300, including the PoE setup. What happens if PoE is taken out of the equation, with all wireless adapters directly on wall power?

Does Windows think the cable is being disconnected?

During an outage, can wired clients ping each other? The server? The Internet? Can the server ping wired clients?

If all wired computers (including the server) are connected to each other through one or more 3COM 3300 switches, then the switch may be getting screwed up, possibly by corruption of the Forwarding Database. Do switch ports see a loss of connection? Do you have some other switch to try?

Reply to
John Navas

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