Browse Lessons

IPython: Powerful interactive Python shell - easy command line for network engineers.

GNS3 Windows QEMU appliance now available! Run a Windows VM directly in the GNS3 VM (Part 2).

GNS3 Windows QEMU appliance now available! Run a Windows VM directly in the GNS3 VM (Part 1).

Python network automation, BGP and IOS regular expressions (Part 4). Live Internet BGP.

Python network automation, BGP and IOS regular expressions (Part 3). Live Internet BGP.

Python network automation, BGP and IOS regular expressions (regex). Search output (Part 2).

Python network automation, BGP and IOS regular expressions (regex). Search output (Part 1).

Python IDEs for network engineers. Which is best for editing Python code and for network automation?

Ansible for Network Engineers course: now available! GNS3 & Network Automation.

Ansible sample. Network Automation with GNS3 and Ansible. Course available from 15 August 2017!

SDN: Cisco Demystifying SDN for the Network Engineer: Need Encouragement Getting with the Program?

GNS3 Version 2.1 (Part 4): Zoom, 275 network adapters, Errors, lines and other features.

Why should you learn Ansible? Network Automation with GNS3 and Ansible.

GNS3 Version 2.1 (Part 3): Duplicate a node in GNS3 and keep configs!

GNS3 Version 2.1 (Part 2): Integrated appliance templates and notification overlay.

CCNA v3.0 200-125 GNS3 Labs: Troubleshoot PPP Mulitlink. Be careful of debugs!

GNS3 Version 2.1 Alpha / Beta now available (Part 1). Manipulate Traffic Demo! Suspend / Start Links

GNS3 Talks: GNS3 Preferences. Change multiple GNS3 options.

GNS3 Talks: How to connect GNS3 to a physical network (Part 3).

GNS3 Talks: How to connect GNS3 to a physical network (Part 2).

GNS3 Talks: How to connect GNS3 to a physical network (Part 1).

Packet Tracer vs GNS3 vs VIRL vs Physical Equipment (Part 6). Feedback & options. Got $2 mil spare?

GNS3 Talks: Ansible installation. Network Automation using Ansible.

CCNA v3.0 200-125 GNS3 Labs: PPP Mulitlink (Part 2). PPP Multilink Wireshark Captures

CCNA v3.0 200-125 GNS3 Labs: PPP Mulitlink (Part 1). PPP One-Way PAP, CHAP, Multilink

CCNA v3.0 200-125 GNS3 Labs: PPP troubleshooting lab 1 (Part 3). CHAP & EIGRP troubleshooting.

GNS3 Talks: You asked for it! Ansible course announcement. What do you want?

CCNA v3.0 200-125 GNS3 Labs: PPP troubleshooting lab 1 (Part 2). PAP troubleshooting.

GNS3 Talks: Docker container upgrades: Network Automation container: Ansible, Python3, NAPALM & more

Packet Tracer vs GNS3 vs VIRL vs Physical Equipment (Part 5). Physical equipment advantages

Packet Tracer vs GNS3 vs VIRL vs Physical Equipment (Part 4). VIRL advantages & disadvantages

CCNA v3.0 200-125 GNS3 Labs: PPP troubleshooting lab 1 (Part 1). Use debugs to fix the network!

Packet Tracer vs GNS3 vs VIRL vs Physical Equipment (Part 3). GNS3 advantages & disadvantages

Packet Tracer vs GNS3 vs VIRL vs Physical Equipment (Part 2). Cisco Packet Tracer advantages..

Packet Tracer vs GNS3 vs VIRL vs Physical Equipment (Part 1). Which is best?

CCNA v3.0 200-125 GNS3 Labs: PPP troubleshooting (Part 4): EIGRP & Wireshark captures

CCNA v3.0 200-125 GNS3 Labs:: PPP troubleshooting (Part 3): PAP and CHAP Wireshark captures

CCNA v3.0 200-125 GNS3 Labs: PPP troubleshooting (Part 2): PPP and CHAP authentication (plus debugs)

GNS3 Talks: The CLI is dead! What are you going to do about it?

CCNA v3.0 200-125 GNS3 Labs: PPP troubleshooting (Part 1): PPP and PAP authentication (plus debugs)

GNS3 Talks: Network Automation Docker Container (Part 2): Python, Netmiko, Pyntc and Ansible

GNS3 Talks: Network Automation Docker Container (Part 1): Python, Netmiko, Pyntc and Ansible

CCIEPython: If Else logic: Learn Python, Netmiko, NAPALM, pyntc and more!

GNS3 Talks: Packet.net and GNS3 (Part 5): Integrate the GNS3 GUI with Packet.net server

GNS3 Talks: Packet.net and GNS3 (Part 4): Deploy Server and setup VPN

GNS3 Talks: Packet.net and GNS3 (Part 3): SSH Keys (Generate with PuttyGen)

GNS3 Talks: Packet.net and GNS3 (Part 2): Documentation, Discounts and signup

GNS3 Talks: Packet.net and GNS3 (Part 1): Overview