Question about Linksys BEFW11S4 802.11b Wireless Router/Switch + WMP11 PCI Card (BEFW11S4 + WMP11)

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Toubleshoot I got three wifi switches in the same floor of a builiding at an average distance of 25 meters. All the three switches are having the same resource (ie all the three are providing internet connection sharing from a modem). The acces to the wifi by PC is controlled by pass words. Now the problem in detail. The swith which is catering for two PCs is intermittently showing no connectivity to the network. When we chek for availble WIFIs in the PCs having trouble, they shows all the 3 WIFIs available in the area. On selecting the correct WIFI the problem gets rectified and re occurs after some time. What could be the problem? And how the problem could be solved permanently

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My guess would be a networking problem where the two PCs can see all three access points and are getting confused. Perhaps getting a DHCP license from one of the other access points and then trying to use that, conflicting, IP to access the access point you want. If the PCs are fixed, you could always use three different SSIDs to prevent this from happening.

You don't mention it but you should have all three access points on different channels that are spread apart to minimize interference. Try shutting off the other two access points, right clicking on the network icon on an affected computer and selecting repair. If you can get on the network after this, then my solution will fix your problem.

You might want to consider switching to a solution designed for having multiple access points on one network. Open-Mesh is a pretty good inexpensive route and you can add multiple access points easily. The firmware is still in beta, however, I have a network of 5 nodes that is pretty reliable. If you want a more commercial solution, the Meraki network (the predecessor of open-mesh) is very robust but more expensive.

Posted on Sep 13, 2008

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