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With the Wireshark network analyzer, networking pros can address a wide range of monitoring for functions that range from bandwidth optimization and application analysis to troubleshooting and network security. Wireshark is an open source network monitoring tool, so networking pros can tailor the tool to their exact needs. And those needs can range from basic traffic transmission testing to intrusion prevention, analysis of bandwidth usage, application security testing and identification of faulty configurations.
In "Wireshark Network Analysis: The Official Wireshark Certified Network Analyst Guide," Wireshark expert Laura Chappell explores capturing and analyzing various types of traffic, application-specific monitoring, WLAN and VoIP monitoring, and more.
Wireshark guide: The open source network monitoring tool in action
In "The world of Network Analysis," the first chapter of "Wireshark Network Analysis," Chappell lays out a network analysis to-do list, including all of the tasks networking pros will face in using Wireshark. She also guides you through the process of a typical network analysis session; provides a switching, routing and firewall overview; and provides case studies of the Wireshark network analyzer in action. Case studies include a school district with 50 VLANs and a 22-branch enterprise campus network.
Wireshark filter tutorial: A how-to
The beauty of Wireshark as an open source network monitoring tool is that it can be tailored to the specific needs of an enterprise network. So a big part of learning Wireshark is learning how to establish Wireshark filters. In this Wireshark video, part of the Wireshark training series "Coffee and a Quickie," Chappell explains the difference between Wireshark capture filters and Wireshark display filters, and she provides a step-by-step guide to setting up Wireshark filters.
So you think you can do it without the Wireshark network analyzer?
Sure you can survive without Wireshark, but why bother? Chappell outlines 10 reasons why Wireshark is a must-have for networking pros. Two of our favorite reasons for working Wireshark? You'll always know what's happening on the network, and -- Chappell quips -- you'll never have to flip burgers for a living.