This course aims to equip participants with comprehensive skills in network analysis and troubleshooting for 5G, including examples from 4G LTE and VoIP networks. Learn the fundamentals of Wireshark, including installation, configuration, and basic packet capturing techniques, then, power-up your ability to understand 5G protocols including NAS, NGAP, HTTP2, SIP, RTP and more. By the end of the course, students will be proficient in capturing, analyzing, and interpreting 5G network traffic, enabling them to effectively troubleshoot and optimize modern communication networks.
Outline
Summary
- Register for Poll
- Meet VIRGIL: Your AI Lab Coach
- Welcome to the Alta3 Research Lab Environment
Up and Running
- Using Vi and Vim
- Efficient CLI Usage with Tmux
AI Lab Assistance
Introduction to Network Analysis
- Overview of Network Analysis
- Introduction to TCP IP Terms
Getting Started with Wireshark
- Introduction to Using Wireshark
Capturing Packets
- Starting and Stopping Captures with Wireshark
- Using TCPdump to make pcap Files for Wireshark
- Introduction to Termshark
Basic Analysis Techniques
- Ethernet Analysis – ARP Broadcast
- Ethernet Analysis – Unicast
- Encoding
- Using the Packet Bytes Window
- Wireshark – tshark
Filtering Techniques
- Display Filters in Wireshark
- Working with Display Filters
- Wireshark Colorization Rules
- Find packet
- Flow and IO Graphs
- PCAPs to Text, CSV, JSON, XML, and PDF
- Display Macros
- Decoding SSL Traffic with Wireshark
5G Captures
- 5G Registration Analysis with Wireshark
- Analysis of NGAP and the N2 Interface with Wireshark
- 5G NAS and Wireshark
- GTP in 5G
Advanced Analysis Techniques
- Resolve Network Addresses with Wireshark
Specialized Protocol Analysis and Wireshark for VoIP
Diameter
- Diameter and SCTP
- Diameter Analysis
SIP Stack
- Introduction to Wireshark for VoIP
- Successful REGISTER by a User Agent
- Packet Analysis with Wireshark
- Troubleshooting a 404
Filters
- Wireshark Filters to Know
5G Emulation (OPTIONAL)
Start your 5G network (OPTIONAL)
- Start the 5G core
- Start the gNB RAN
- Start Web Console
Adding Subscribers (OPTIONAL)
- Configuring the UE SIM Card
- UE 5G Core Configuration
- Start UE plus Network Slicing Analysis
- Analyzing UE Status
Creating 5G Packet Captures (OPTIONAL)
- Lecture-LAB 5G Reg Capture
- 5G PDU Session Capture
Continuing Education
- Planning & Consulting with Alta3 Research
- Continuing Education
Objectives
- Wireshark Fundamentals
- 4G and 5G Protocol Analysis
- Specialized Protocols and VoIP Analysis
- Advanced Analysis Techniques
- Troubleshooting Network Issues
Audience
- 4G and 5G Network Professionals
- VoIP Engineers
- Network Engineers and Developers
- Cloud Engineers
- Software Developers
- Technical Managers and Leads