Wireshark is a free network protocol analyser. This hands-on course provides a comprehensive tour of using Wireshark to troubleshoot networks. The course concentrates on the information needed in order to pass the WCNA exam. Students will gain the most from this course only if they already have a sound knowledge of the TCP/IP protocols.
By the end of the course delegates will be able to:
What is Wireshark?
Network analysis, troubleshooting, network traffic flows.
Download/install Wireshark.
Wireshark introduction
Capturing packets, libpcap, winpcap, airpcap. Dissectors and plugins. The menus. Right click.
Using Wireshark.
Capturing traffic
Wireshark and switches and routers. Remote traffic capture.
Capturing packets.
Capture filters
Applying, identifiers, qualifiers, protocols, addresses, byte values. File sets, ring buffers.
Capture filters.
Preferences
Configuration folders. Global and personal configurations. Capture preferences, name resolution, protocol settings. Colouring traffic. Profiles.
Customising Wireshark.
Time
Packet time, timestamps, packet arrival times, delays, traffic rates, packets sizes, overall bytes.
Measuring high latency.
Trace file statistics
Protocols and applications, conversations, packet lengths, destinations, protocol usages, strams, flows.
Wireshark statistics.
Display filters
Applying, clearing, expressions, right click, conversations, endpoints, protocols, combining filters, specific bytes, regex filters.
Display traffic.
Streams
Traffic reassembly, UDP and TCP conversations, SSL. Hands on Recreating streams.
Saving
Filtered, marked and ranges. Hands on Export.
TCP/IP Analysis
The expert system. DNS, ARP, IPv4, IPv6, ICMP, UDP, TCP. Hands on Analysing traffic.
IO rates and trends
Basic graphs, Advanced IO graphs. Round Trip Time, throughput rates. Hands on Graphs.
Application analysis
DHCP, HTTP, FTP, SMTP.
Analysing application traffic.
WiFi
Signal strength and interference, monitor mode and promiscuous mode. Data, management and control frames.
WLAN traffic.
VoIP
Call flows, Jitter, packet loss. RTP, SIP.
Playing back calls.
Performance problems
Baselining. High latency, arrival times, delta times.
Identifying poor performance.
Network forensics
Host vs network forensics, unusual traffic patterns, detecting scans and sweeps, suspect traffic.
Signatures.
Command line tools
Tshark, capinfos, editcap, mergecap, text2pcap, dumpcap.
Command tools.
Experience WCNA certification for Wireshark in South Africa through Bilginç IT Academy's live and interactive virtual classroom environment, accessible from your home, office, or any location. Connect with expert trainers in real time and bring the energy of classroom learning into the digital experience.
Experience WCNA certification for Wireshark in a focused classroom environment in South Africa. Bilginç IT Academy's carefully selected training venues provide a professional setting where delegates can interact directly with expert trainers and peers.
Meet your team's training needs with Bilginç IT Academy's onsite WCNA certification for Wireshark in South Africa solution, delivered at your office or preferred location. Align your team's development with your business goals through a training experience tailored to your organization.
Join our public courses in our South Africa facilities. Private class trainings will be organized at the location of your preference, according to your schedule.
South Africa is the most advanced technological market on the continent, with Cape Town and Johannesburg acting as world-class centers for fintech, telecommunications, and digital entrepreneurship. Cape Town’s vibrant tech scene, often called 'Silicon Cape,' attracts international venture capital and research talent, while Johannesburg remains the industrial and financial heart of technical innovation. The country's top universities, including the University of Cape Town and Wits, provide a strong academic foundation for research in Artificial Intelligence and Big Data. Our educational frameworks in South Africa focus on equipping the professional workforce with the high-level skills needed to manage complex enterprise infrastructures. We provide elite training in Cybersecurity, Enterprise Architecture, and Data Science to support South Africa's leading role in the global digital economy.
