Arif Rahman

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Each case study covers the problem, the architecture I chose and what changed as a result. Academic and personal projects are labelled. Recruiting? Match these against your job description.

Enterprise network design: routing, redundancy, segmentation and VPNs.

03 · 2025 · Academic network architecture projectCompleted

Enterprise Network — TechBridge

Problem
Two sites needed room for 50% growth, no single point of failure and a private link between them.
Tools
Cisco IOSOSPFHSRPVLANsGRE/IPSecNAT/PAT
Result
22 VLANs, HSRP failover and an encrypted site-to-site tunnel, validated by 18 end-to-end tests.
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