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Experts with David Bombal Courses
Getting Started with Wireshark: The Ultimate Hands-On Course
4.8 (12,167 Reviews)
Provider: Udemy
Time: 4.4h- 2025
$109.99
Visit
Python Network Programming for Network Engineers (Python 3)
4.7 (9,319 Reviews)
- Provider: Udemy
- Time: 12.8h
- 2025
$17.99
Visit
Linux for Network Engineers: Practical Linux with GNS3
4.5 (5,096 Reviews)
- Provider: Udemy
- Time: 13.2h
- 2023
$13.99
Visit
Ansible for Network Engineers: Quick Start GNS3 & Ansible
4.2 (4,610 Reviews)
- Provider: Udemy
- Time: 4.9h
- 2024
$12.99
Visit
Net DevOps: Cisco Python, Automation, NETCONF, SDN, Docker
4.7 (2,654 Reviews)
- Provider: Udemy
- Time: 19.6h
- 2020
Free
Visit
Python for Network Engineers: Netmiko, NAPALM, pyntc, Telnet
4.4 (2,604 Reviews)
- Provider: Udemy
- Time: 14h
- 2025
$84.99
Visit
Nmap for Ethical Hackers - The Ultimate Hands-On Course
4.7 (1,776 Reviews)
- Provider: Udemy
- Time: 3.5h
- 2023
$74.99
Visit
CCNA MPLS Core technologies and MPLS Layer 3 VPNs: Exam prep
4.4 (1,635 Reviews)
- Provider: Udemy
- Time: 1.5h
- 2023
Free
Visit
Learn OpenSSL with a real world cheatsheet
4.6 (1,552 Reviews)
- Provider: Udemy
- Time: 3.7h
- 2023
$79.99
Visit
Python Programming for Network Engineers: Cisco, Netmiko ++
4.3 (1,348 Reviews)
- Provider: Udemy
- Time: 5.9h
- 2023
$15.99
Visit
OSPF for the Real World - From Zero to Hero
4.8 (1,173 Reviews)
- Provider: Udemy
- Time: 6.2h
- 2023
$84.99
Visit
Cisco VPNs with GNS3 Labs: Practical GRE, IPSec, DMVPN labs
4.6 (1,066 Reviews)
- Provider: Udemy
- Time: 4.2h
- 2018
Free
Visit
Cool Cisco IOS commands. Master CLI tips = CLI like a Boss!
4.5 (1,052 Reviews)
- Provider: Udemy
- Time: 1h
- 2023
Free
Visit
GNS3 Fundamentals (Official Course) Part 1
4.7 (1,041 Reviews)
- Provider: Udemy
- Time: 22.2h
- 2023
$84.99
Visit
CCNA BGP configuration and troubleshooting: Cisco CCNA prep
4.8 (995 Reviews)
- Provider: Udemy
- Time: 54 mins
- 2023
Free
Visit
CCNA VLOGs: Pass your CCNA 200-125, ICND1 or ICND2 exam!
4.8 (761 Reviews)
- Provider: Udemy
- Time: 13.1h
- 2020
Free
Visit
Cumulus Linux Fundamentals, plus Ansible automation
4.6 (698 Reviews)
- Provider: Udemy
- Time: 6.1h
- 2023
$79.99
Visit
Mastering SQL Injection - The Ultimate Hands-On Course
4.7 (692 Reviews)
- Provider: Udemy
- Time: 9.7h
- 2023
$79.99
Visit
Cisco CCNP GNS3 Labs: Pass your CCNP exams with GNS3!
4.7 (672 Reviews)
- Provider: Udemy
- Time: 3h
- 2020
Free
Visit
GNS3 & Packet Tracer Quick Start Guides (vs VIRL & Physical)
4.5 (629 Reviews)
- Provider: Udemy
- Time: 1.9h
- 2023
Free
Visit
Cisco CCENT Packet Tracer Ultimate labs: ICND1 Exam prep lab
4.5 (596 Reviews)
- Provider: Udemy
- Time: 13.8h
- 2023
$69.99
Visit
Mastering Authentication Vulnerabilities - Ultimate Course
4.6 (471 Reviews)
- Provider: Udemy
- Time: 3.7h
- 2023
$64.99
Visit
CCNA OSPF troubleshooting: Cisco CCNA and ICND2 exam prep
4.9 (424 Reviews)
- Provider: Udemy
- Time: 2h
- 2020
Free
Visit
Cisco CCNA Packet Tracer Ultimate labs: ICND2 Exam prep labs
4.8 (354 Reviews)
- Provider: Udemy
- Time: 13.9h
- 2023
$64.99
Visit
Pentesting 101: The Ultimate Hacking Guide Start To Finish
4.4 (275 Reviews)
- Provider: Udemy
- Time: 7.8h
- 2023
$74.99
Visit
CCNA Campus & Ethernet troubleshooting: Cisco CCNA Exam Prep
4.7 (263 Reviews)
- Provider: Udemy
- Time: 2.3h
- 2017
Free
Visit
Cisco CCNA GNS3 Ultimate Labs: CCNA Exam Prep Labs to pass
4.6 (231 Reviews)
- Provider: Udemy
- Time: 6h
- 2025
$84.99
Visit
RIP troubleshooting: Cisco CCNA preparation
4.8 (221 Reviews)
- Provider: Udemy
- Time: 1h
- 2023
Free
Visit
Mastering Command Injection - The Ultimate Hands-On Course
4.7 (218 Reviews)
- Provider: Udemy
- Time: 2.1h
- 2023
$19.99
Visit
Mastering Directory Traversal - The Ultimate Hands-On Course
4.6 (175 Reviews)
- Provider: Udemy
- Time: 1.8h
- 2023
$19.99
Visit
Mastering Server-Side Request Forgery (SSRF) Vulnerabilities
4.7 (118 Reviews)
- Provider: Udemy
- Time: 3.2h
- 2024
$54.99
Visit
GNS3 Fundamentals (Official Course) Part 2
4.7 (98 Reviews)
- Provider: Udemy
- Time: 14.8h
- 2023
$74.99
Visit
Most Recent Review
the content is great. I would add one more star to make it interactive with assesments and exercises. I would add another star for organizing the content according to relevance in 2026; content can be simply move to a grandfather category/lab/chapter. Thank you for all the work.
- Review by Carlos A on Python for Network Engineers: Netmiko, NAPALM, pyntc, Telnet
Instructor Bio
David Bombal, together with some of the best minds in the industry is offering courses on a wide range of topics including networking, programming and software development. Our team has decades of experience teaching students from all over the world.
Together we can do more!
David Bombal (CCIE #11023 Emeritus) passed his Cisco Certified Internetwork Expert Routing and Switching exam in January 2003 and is one of a small percentage of Cisco Engineers that pass their CCIE labs on their first attempt.
David qualified as a Cisco Certified Systems Instructor (CCSI #22787) many years ago! He has been training Cisco courses for over 15 years and has delivered instructor led courses in various countries around the world covering a wide range of Cisco topics from CCNA to CCIE.
He has also personally developed Cisco engineer utilities such as the VPN Config Generator, software, training materials, EBooks, videos and other products which are used throughout the world.
David has designed, implemented and managed networks ranging from single sites to those that span 50 countries.
