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When WEP won't work

Bring 'em on - columnist James Gaskin answers your toughest network questions.
Connection Coach By James E. Gaskin , Network World , 11/29/2004
James Gaskin

Sure, you're network IT professionals. But the problems you solve at work are nothing like those you face at home. Here, solutions must be inexpensive, easy to manage and quick to implement. That's why every Go-to-Guy and Gal needs a Go-to-Guy of their own. That's me. I've fought computers for 20 years, and have published 15 books and hundreds of articles. Got a computer or network problem that's keeping you up at night? Send it to me. Here are solutions to three tough ones that recently landed in my in-box.

Herman V.: If encryption is standards-based, then why can't I get a Netgear wireless router to connect with a Dell laptop with an Intel mini-PCI wireless adapter using Wired Equivalent Privacy (WEP)? Products are all from big name companies. Netgear blames Dell, Dell blames Intel, and Intel doesn't care because Dell's providing support.

CoachWEP doesn't always work because vendors read the specifications in different ways. Things are getting better, but the trouble is that soon you'll upgrade your gear to Wi-Fi Protected Access and suffer the same problems all over again.

One option is to put upgrades to your wireless gear on your Christmas list. But because you paid for these products and rightfully expect them to work, try this:

• Reduce the distance between router and laptop.

• Upgrade laptop drivers.

• Upgrade access point drivers.

• Input the WEP key manually and use the same case on both systems.

• Put a dollar sign ($) in front of the WEP key on the Dell.

• Set the Maximum Transmission Unit size to 1450 (find it on the Advanced WAN Setup page).

• Replace router with the same model.

• Replace the mini-PC laptop adapter.

• Have the retailer set up and test router encryption.

Matt H.: I need to work from a vacation home without a landline. A neighbor with DSL will let me connect to his wireless net. At 300 feet, is it feasible?

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Coach: Yes, but you're right at the edge of the distance limitation for 802.11b and 802.11g, and too far away for 802.11a. But there are ways to boost the signal.

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RE: When WEP won't workBy Dom on August 17, 2007, 11:56 amI have a problem with my Linksys WRT54G. The whole network runs fine with WPA, but I need it to work with WEP. I put in the 10 hex key and can connect, but it is...

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