để thể hiện một sự kết hợp của một tiền tố địa chỉ mạng cấp dưới và một loạt các ID mới, do đó tốt hơn sử dụng các bit sở tại. Hãy xem xét một mạng lớp B có máy chủ có thể. Một bộ phận mạng của máy chủ được kỹ thuật có thể, | Chapter 6 Better Living Through Network Monitoring 97 Using Mac OS X Mac OS X doesn t have a single interface that shows available networks quite as completely as does Windows XP the interface on the Mac is a bit less involved but probably also a bit easier. To sniff out available networks using OS X simply open Apple s Internet Connect application it s in your Applications Folder and may very well be located on the OS X dock. When Internet Connect is open click on the AirPort tab. You see a pulldown menu that displays each wireless network within range of your Mac shown in Figure 6-2 . Put another way it displays each wireless network that has enough signal strength to reach your Mac. This display provides a green bar graph display of signal strength simply choose another network from the pulldown menu. Figure 6-2 Showing signal strength in Mac OS X. You can streamline this process by putting your AirPort display in the OS X menu bar. Just go to System Preferences in your Applications folder or on the Dock and click on Network. In Network click on the AirPort tab and make sure that the Show AirPort Status in Menu Bar checkbox is selected if it s not select it and click the Apply Now button. When the AirPort status is in the menu bar you always see a list of available networks in the menu bar and you can open Internet Connect by simply using this pulldown menu. Using wireless client software Although Windows Zero Config is the easiest way for Windows users to find and examine wireless networks it s not the only way. Most wireless network adapters include their own client software that handles network configuration AP selection and more. 98 Part II Boosting Performance on Your Wireless Network These client software packages usually offer a network monitoring application that gives you more network information than the software clients that are built into the operating systems. For example these clients may provide more elaborate signal strength and SNR meters and .
