Troubleshooting TCP/IP Networks with Wireshark

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Course Description

About the Course

In this course you will receive in-depth training on Wireshark® and TCP/IP communications analysis. You will learn to use Wireshark to identify the most common causes of performance problems in TCP/IP communications. Topics you will cover in this course include:

  • Traffic capturing techniques and analyzer placement
  • Traffic filtering (capture/display)
  • Customized profiles creation
  • Coloring rules, graphing, field interpretations, and functionality of key TCP/IP communications
  • Normal behavior of ARP, DNS, IP, TCP, UDP, ICMP, and HTTP/HTTPS
  • Latency issue identification
  • Connection establishment concerns
  • Service refusals
  • Common indications of reconnaissance processes and breached hosts

Objectives

  • Top 10 reasons for network performance complaints
  • Place the analyzer properly for traffic capture on a variety of network types
  • Capture packets on wired and wireless networks
  • Configure Wireshark for best performance and non-intrusive analysis
  • Navigate through, split, and work with large traffic files
  • Use time values to identify network performance problems
  • Create statistical charts and graphs to pinpoint performance issues
  • Filter out traffic for more efficient troubleshooting and analysis
  • Customize Wireshark coloring to focus on network problems faster
  • Use Wireshark's Expert System to understand various traffic problems
  • Use the TCP/IP Resolution Flowchart to identify possible communication faults
  • Analyze normal/abnormal Domain Name System (DNS) traffic
  • Analyze normal/abnormal Address Resolution Protocol (ARP) traffic
  • Analyze normal/abnormal Internet Protocol v4 (IPv4) traffic
  • Analyze normal/abnormal Internet Control Messaging Protocol (ICMP) traffic
  • Analyze normal/abnormal User Datagram Protocol (UDP) traffic
  • Analyze normal/abnormal Transmission Control Protocol (TCP) traffic
  • Analyze normal/abnormal Hypertext Transport Protocol (HTTP/HTTPS) traffic

Target Audience

Anyone interested in learning to troubleshoot and optimize TCP/IP networks and analyze network traffic with Wireshark, especially network engineers, information technology specialists, security analysts.

Course Curriculum

Course # : 26437
Exam : Troubleshooting TCP/IP Networks with Wireshark

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