Thank you for sending your enquiry! One of our team members will contact you shortly.
Thank you for sending your booking! One of our team members will contact you shortly.
Course Outline
Linux Router Fundamentals and Planning
- Reviewing the role of a Linux router in office and lab environments
- Understanding WAN, LAN, gateway, and basic traffic flow
- Identifying required interfaces, packages, and deployment assumptions
- Planning IP addressing, interface roles, and router services
Configuring Network Interfaces with Netplan
- Identifying and validating network interfaces on the Linux host
- Configuring WAN and LAN interfaces with netplan
- Enabling persistent IP forwarding for routing
Implementing Routing, NAT, and Basic Firewall Rules
- Understanding packet forwarding and source NAT in a router setup
- Creating iptables rules for NAT and LAN-to-WAN forwarding
- Allowing return traffic and basic administrative access
- Saving and restoring firewall rules across reboots
Providing DHCP and Local DNS with dnsmasq
- Installing and configuring dnsmasq for the LAN segment
- Defining DHCP ranges, gateway options, and upstream DNS settings
- Binding dnsmasq to the correct interface and validating leases
- Testing client address assignment and name resolution
Testing, Troubleshooting, and Hardening
- Verifying end-to-end connectivity from LAN clients to the WAN
- Using common Linux tools to inspect routes, rules, interfaces, and services
- Troubleshooting common issues with forwarding, NAT, and DHCP
- Applying basic operational and security good practices for a router host
Hands-on Build and Review
- Building a working custom Linux router from a defined scenario
- Validating configuration persistence and service startup behavior
- Reviewing configuration files and recovery steps
- Summarizing lessons learned and next steps
Requirements
- Understanding of basic TCP/IP networking, including IP addressing, subnets, and default gateways
- Basic Linux command-line administration and experience editing configuration files
- General Linux system administration experience
Audience
- Linux system administrators
- Network administrators
- IT support and infrastructure engineers
14 Hours
Testimonials (2)
communication, knowledge from experience, solve problems,
Marcin Walewski - Intel Technology Poland Sp. z o.o.
Course - OpenStack Bootcamp
The virtual desktop in a browser feature was kind of neat.
