Software for Troubleshooting
Several software programs can gather and display useful information when you're trying to understand what's happening inside your network. These programs are available as free or trial downloads, so you don't incur a cost when testing them.
Network Magic
Network Magic (http://www.networkmagic.com/) provides a graphic display of the devices connected to a LAN, as shown in Figure 17-2, and a central control point for adding new network devices or changing the existing network configuration. It can also perform some basic troubleshooting tests and automatic repairs.
Protocol Analyzers
Microsoft Network Monitor (go to http://www.microsoft.com/downloads/ and search for Network Monitor) and Wireshark (http://www.wireshark.org/ ...
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