why cant my wirless devices see my wired devices?

Q. so here is the problem i have a bunch of wired devices on my network that host media to the rest of my devices videos music what have you. and i have wireless devices laptops tablets and other stuff that use these media hubs or did at least all of a sudden all my wireless devices stopped being able to se the wired devices unless i wired them up. now don't go insulting my intelligence with things like check your drivers or make Shure your wireless devises are hooked up right or i will find your grandma and slap her silly. all the desktops with wired connections are running windows 7 and the router is a cisco Linksys E2000 any solutions?

A. The E2000 includes a feature called AP Isolation. If this has been turned on, then it stops wireless clients being able to connect to other clients. It is not clear in the manual pages I have read as to whether this stops wireless clients from connecting to wired clients.

I suggest that you check that this feature has not been enabled, possibly by accident or through a router firmware bug. If it is enabled, disable it. If it is disabled, I would try enabling it, then rebooting the router and then disabling it again.

I hope this helps.

Original Question

Router Problem Help Please?

Q. I own a Cisco Linksys E200 Wireless router. When I first got it, it work great. I had Wi-fi on my PS3, Ipod, laptop. Then, six months or so later my PS3 and Ipod stopped being able to connect. My Ipod says a message "Unable to connect to "wireless"". The Ipod works with any other wi-fi. My PS3 gives the message "An error occured during the communication with the sever. DNS error 80710102"I've tried all that stuff people say to do but none of it works. But my sister recently came home from college with her laptop and it gets wi-fi everywhere in the house. What is the problem here? Thanks!

A. Off the top of my head I'd say you need to check your DHCP client reservation setup. Essentially, you can specify how many IPs (devices) are allowed to access the wireless LAN at once. Check the manual for the E2000 here: http://home.cisco.com/assets/presskit/userguides/e2000_ug.pdf. Read the section on DHCP reservation and see if the IP for your device (one which does not connect) is listed. If it is, there's something else going on and you may need to do some more research. If it's not listed, you can add it manually. I would recommend adding it using the device's MAC address which will allow access by the same device permanently, no matter what other changes are made.

Holler back if this doesn't work and we'll go from there.

Hope this helped!
Peace!
The Reverend

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