Linux Networking
Course Code: LN
Duration: 2 days
Linux Networking Course Overview
This highly practical instructor led Linux Networking course introduces the delegate to the main concepts of Linux networking and TCP/IP. It describes the structure of networks, hardware, topologies, TCP/IP Protocol suite, IPv4 and IPv6 addressing, network applications and protocols, network, host and port scanning as well as packet capture techniques using Tcpdump and Wireshark.
The delegate will learn Linux commands to view and configure Linux network cards, IPv4 and IPv6 addresses as well as subnetting and analysis of network packets for key applications using Tcpdump and Wireshark.
This Linux Networking course uses a Red Hat Enterprise Linux (RHEL) based distribution, the delegate will be able to apply the concepts covered on this course to other Linux based distributions.
Exercises and examples are used throughout the course to give practical hands-on experience with the techniques covered.
Course Objectives
To provide the skills necessary for the delegate to design, build, test and subnet TCP/IP Networks. The delegate will also learn how to capture packets and trace and rectify faults on the network.
Who will the Course Benefit?
Users and Administrators who need to design, implement, troubleshoot and oversee TCP/IP networks. This Linux Networking course is also suitable for delegates who need an understanding of TCP/IP and are required to maintain a network.
Course Notes
This course features and demonstrates Linux networking commands as well as graphical packet capture and analysis.
Skills Gained
The delegate will learn and acquire skills as follows:
- Networking hardware and topologies
- Networking ports, sockets and MAC addresses
- OSI model
- Networking standards, authorities and institutions
- IPv4 Classful and Classless addressing
- Subnetting an IP address range
- Capturing network packets with Tcpdump and Wireshark
- TCP/IP and the OSI model
- TCP data flow and three-way handshake
- Network card configuration
- Linux networking commands
- Network, host and port scanning
- IPv6 address format and allocation
- IPv6 configuration
- Routing tables, protocols and software
- Network applications and protocols
- Hosting domains and the Domain Name Service
- Remote Procedure Calls and Systemd Sockets
- Wireshark filters and Expert Information
- Viewing Application layer protocol packets
- Network troubleshooting
- Detecting network errors, retransmissions and resets
Linux Networking Training Course
Course Introduction
- Administration and Course Materials
- Course Structure and Agenda
- Delegate and Trainer Introductions
Session 1: NETWORKING FUNDAMENTALS
- Network Hardware
- Data Bandwidth and Speed
- Attenuation and Noise
- Latency
- Network Types and Topologies
- Network Ports and Sockets
- MAC Addresses
- Exercise
Session 2: NETWORKING MODELS AND STANDARDS
- OSI Model
- Institute of Electrical and Electronic Engineers
- Internet Society and Internet Engineering Task Force
- Exercise
Session 3: IP ADDRESSING
- Internet Protocol Addressing
- Classful IP Addressing
- Reserved IP Address Ranges
- Classless Inter-Domain Routing (CIDR)
- Subnetting Considerations
- Extended Network Prefix
- Exercise
Session 4: PRACTICAL TCP/IP
- Origins of TCP/IP
- TCP/IP and the OSI Model
- TCP and UDP Headers
- TCP Data Flow
- The Address Resolution Protocol
- Capturing packet information with tcpdump
- Installing Wireshark and Viewing Frames
- Exercise
Session 5: IP CONFIGURATION
- Microsoft Windows
- Linux Graphical Configuration
- Network Manager Configuration
- Network Testing Commands
- Network, host and port scanning
- Exercise
Linux Networking Training Course
Session 6: IPV6
- IPv6 Address Format and Allocation
- IPv6 Auto Configuration
- IPv6 Configuration
- Exercise
Session 7: ROUTING
- Routing Principles
- Default Gateway
- Static Routing
- Routing Protocols
- Routing Protocols and Software
- Viewing the Routing Table
- Exercise
Session 8: FURTHER WIRESHARK OPERATIONS
- Filtering with Wireshark
- Further Wireshark Filters
- Filtering IPv6 Traffic
- Exercise
Session 9: APPLICATION LAYER PROTOCOLS
- Secure Shell (SSH)
- Domain Name System (DNS)
- Domain registration and Root Name Servers
- Dynamic Host Configuration Protocol (DHCP)
- Network Time Protocol (NTP)
- Precise Time Protocol (PTP)
- NTP vs PTP
- Internet Control Message Protocol (ICMP)
- Hypertext Transfer Protocol (HTTP)
- File Transfer Protocol (FTP)
- Simple Mail Transfer Protocol (SMTP)
- Simple Network Management Protocol (SNMP)
- Remote Procedure Calls (RPC)
- Systemd Sockets
- Network File Sharing Programs (NFS & Samba)
- Remote Desktop Programs
- Exercise
Session 10: NETWORK MONITORING AND TROUBLESHOOTING
- Network Troubleshooting
- Performance Analysis
- Detecting Network Errors with Wireshark
- Wireshark Expert Information
- Retransmission and Connection Resets
- Course technical content is subject to change without notice.
- Course content is structured as sessions, this does not strictly map to course timings. Concepts, content and practicals often span sessions.
Requirements
There are no formal pre-requisites, although knowledge and understanding of an operating system is essential. Having LINUX/UNIX knowledge is particularly advantageous, as the course is built around TCP/IP and LINUX/UNIX.
Further Learning
- Linux System Security
- Linux Fundamentals
- Linux Introduction
- Linux Shell Programming
- Linux Advanced Shell Programming Tools
- Linux Bash Shell Programming
- Linux System Administration (LPI)
- Linux Advanced System Administration (LPI)
- Apache Web Server
- AIX Basics
- AIX Fundamentals
- Solaris Fundamentals
- UNIX Shell Programming for Developers
- UNIX Fundamentals
- UNIX Introduction
- UNIX Advanced Shell Programming Tools
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