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Chapter 9. Network Setup > Testing Network Settings

Testing Network Settings

Being inherently networked operating systems from the original design, Unix-based operating systems have a rather complete suite of network diagnostic software that comes with the basic operating system by default. We'll cover interaction with the command-line versions of these tools in several chapters to come. Apple has also provided a convenient GUI tool that functions as a front end to many of the diagnostics that the command-line tools can perform. Although it doesn't provide access to the complete range of options for each of the commands, the Network Utility application (path: /Applications/Network Utility) is convenient for those who don't care to remember the syntax of command-line tools. The drawback is, it tends to be considerably slower than the underlying commands that it invokes (30-plus seconds in the GUI, compared to less than a second at the command line). The Network Utility application provides access to the following network diagnostics:

Info

The Interface Information (command-line command ifconfig) diagnostic gives you configuration information about your network interface. Shown in Figure 9.20, this diagnostic provides information regarding the traffic and error rate of the interface, as well as speed, hardware address, and vendor information.


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