Wireshark is the world's most popular network analyzer tool with over 500,000 downloads per month. This book provides insider tips and tricks to spot performance issues fast - no more finger pointing because the packets never lie! From "Death by Database" to "Troubleshooting Time Syncing," 49 case studies offer insight into performance and security situations solved with Wireshark. Learn to customize Wireshark for faster and more accurate analysis of your network traffic. Build graphs to identify and expose issues such as packet loss, receiver congestion, slow server response, network queuing and more. This book is the Official Study Guide for the Wireshark Certified Network Analyst program. This Second Edition includes an introduction to IPv6, ICMPv6 and DHCPv6 analysis, updated Wireshark functionality and new trace files. Refer to www.wiresharkbook.com for book supplements, index, table of contents and more.