WLAN Book

BridgeChecker v1.3 Beta Available for Download

BridgeChecker v1.3 Beta Available for Download
BridgeChecker is a windows utility that can automatically disable/enable wireless interfaces. Whenever your computer is connected to an Ethernet port and the link state is good, the utility can automatically turns off the IEEE 802.11 wireless network interface. This conserves IP address allocation, reduces security risks, resolves dual interface routing [...]

Filed under: WLAN Security, WLAN Tools

Locally Administered MAC Address

Locally Administered MAC Address
The Locally Administered MAC Address is used to override the “burned-in” address of network interface cards (NICs). The Locally Administered MAC Address is a user-defined MAC address that is used in place of the MAC address originally assigned to the network adapter. Every adapter in the network must have its own unique [...]

Filed under: WLAN Tools

How Does Airplane WiFi Work?

How Does Airplane WiFi Work?
Airplane WiFi works like WiFi at free WiFi at coffee shops and book stores. The main components of an airplane WiFi system are below.

Computer/WiFi enabled device (laptop, iPhone)
Airplane WiFi network (access points)
Air-to-ground wireless data connection (satellite or EVDO)
Ground Internet service provider

The technology to make the entire system work is transparent travelers. [...]

Filed under: WLAN Deployment, WLAN Design

Airplane WiFi Wireless Internet Update

Airplane WiFi Wireless Internet Update
Since my previous post about airplane wifi, a few more airlines have launched wifi Internet using either Aircell’s GoGo or Row 44’s service.
A quick review of the two technologies is below.
Aircell’s GoGo Airplane Internet Service
Aircell has been authorized by the FAA and FCC to use cellular frequencies for inflight broadband [...]

Filed under: WLAN/WiFi News

DoD Commercial WLAN Technologies Instruction 8420.01

DoD Commercial WLAN Technologies Instruction 8420.01
The US Department of Defense (DOD) released a commercial wireless local area network (WLAN) devices, systems, and technologies Instruction (NUMBER 8420.01) that implements the DoD Directive 8100.2 related to commercial wireless that was released in 2004 and updated in 2006 [DoD Instruction Number 8420.01].
DoDD 8100.2
Use of Commercial Wireless Devices, [...]

Filed under: WLAN Policy, WLAN Security

Mac OS X Wireless Problems

Mac OS X Wireless Problems
I have fewer issues when running Windows XP on my Mac hardware using bootcamp compared to Mac OS X so I know the hardware is OK. Below are several troubleshooting techniques I use when I have connectivity issues.
First, confirm you have the latest airport client software! The Mac OS X Snow [...]

Filed under: How To Guides, WLAN Troubleshooting

WLAN Book On Twitter

WLAN Book On Twitter
WLAN Book is on Twitter!
Please follow us @wlanbook.
If you are also on Twitter, let us know your username in the comments below and we will follow you too if your tweets are technology focused.

Filed under: WLAN/WiFi News