
Mani Poopal
Lead Networking Instructor
Mani brings real-world enterprise networking experience to every class. His hands-on approach ensures students don't just memorize commands — they understand the why behind every configuration.
20+
Years in the field
2,500+
Students trained
3
Courses taught
Credentials
CCIE-certified with over 20 years in enterprise networking. Former senior network architect at a Fortune 500 company.
Courses Mani teaches
Articles by Mani
Subnetting Made Simple: A Practical Guide for Network Engineers
Learn subnetting from scratch with real examples, a fast calculation method, and practice problems you can solve in your head.
The Complete CCNA 200-301 Study Guide for 2026
Everything you need to know to prepare for the CCNA exam — from study strategies to lab practice tips from our lead instructor.
Are IT Certifications Still Worth It in 2026?
We break down the ROI of popular IT certifications with salary data, job market trends, and real student outcomes.