Network Engineer Complete Guide for 2025

Introduction

• Overview of the roadmap for becoming a network engineer in 2025.

Starting Point: CCNA

• The CCNA (Cisco Certified Network Associate) is recommended as the first course.
• Cost is approximately $300 (around 25,000 to 30,000 INR).
• Certification is not mandatory but often preferred by employers.
• Live courses are beneficial for beginners to ask questions.

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Core Networking Concepts

• Key topics covered in CCNA include networking concepts, routing, switching, IP addressing, and basic network security.
• The OSI model and routing fundamentals are essential for understanding how the internet functions.

Continuing Education

• After CCNA, further learning is crucial; candidates often stagnate if they only stay at the CCNA level for years.
• CCNP (Cisco Certified Network Professional) is recommended next, taking about 4-5 months.
• CCNP covers advanced routing, switching, and troubleshooting techniques.

Training Duration and Quality

• A good training program should offer at least 60 hours of CCNA and 100-120 hours for CCNP.
• Training delivered by working professionals is preferred for practical insights.

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Importance of Firewalls

• Firewalls are vital for network security; recommended options include Fortinet's FortiGate for beginners and Palo Alto Networks for more experienced learners.
• Understanding routing and switching is crucial before diving into firewall technologies.

Advanced Topics: SD-WAN and Beyond

• SD-WAN knowledge is increasingly necessary, as many companies adopt this technology.
• Candidates should learn firewall concepts before tackling SD-WAN.
• Additional optional courses include F5 for load balancing.

Security and Data Center Skills

• After mastering SD-WAN, pursuing CCNP Security or Data Center certifications can further enhance career prospects.
• Key security concepts include Cisco Identity Services Engine and various security appliances.

Path to Network Automation

• Network automation is a valuable skill but not recommended for freshers without prior experience.
• A solid foundation in CCNA, CCNP, firewalls, and SD-WAN should be established first.

Learning Structure

• Suggested study plan involves a mix of live training and self-study to achieve a comprehensive understanding.
• A commitment of around 2 hours per day is recommended for effective learning.

Conclusion

• The roadmap indicates that with dedication and the right training, network engineers can aim for salaries between 15-25 lakhs in 2025. Continuous learning and adapting to new technologies is crucial for success in the field.

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