Engineering Study Journal

Technical Notes & Labs

A personal space to document study notes, lab validation, troubleshooting, design ideas, and lessons learned across Service Provider networking, automation, security, and infrastructure engineering.

Cisco

CCIE Service Provider

Study notes and lab practice focused on MPLS, L3VPN, MP-BGP, QoS, Segment Routing, service provider architecture, multicast, and troubleshooting.

CCIE SP MPLS SR-MPLS Multicast L3VPN
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Juniper

JNCIP-SP / JNCIE-SP

Notes and labs focused on Junos, IS-IS, BGP, MPLS, L3VPN, RSVP, Segment Routing, routing policy, Service Provider design, and troubleshooting.

JNCIP-SP JNCIE-SP Junos SP
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Design

CCDE Design Studies

Study notes around requirements analysis, constraints, trade-offs, routing architecture, resiliency, scalability, and operational simplicity.

CCDE Design Architecture
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Automation

CCIE Automation

Preparation notes around programmability, APIs, model-driven telemetry, automation workflows, Python, validation, templates, and infrastructure operations.

CCIE Automation APIs Telemetry
Coming Soon
Automation

Network Automation

Experiments and notes about Python, Git, structured data, templates, validation workflows, documentation, and automation-assisted network operations.

Python Git NetDevOps GitHub Actions
View all Network Automation notes