CCIE SP Notes
Service Provider study notes, migration labs, multicast validation, and L3VPN concepts. This section can keep growing without overloading the Blog cards.
OSPF to IS-IS, SR-MPLS, RR Design, NAT, and SR-TE Groundwork
A realistic CCIE-SP migration lab covering IGP migration, SR-MPLS, LDP removal, route reflector resiliency, and NAT.
Route Distinguisher vs Route Target in MPLS L3VPN
A focused note on RD uniqueness, RT import/export policy, VPNv4 routes, and MP-BGP extended communities.
Understanding Multicast ASM in a Service Provider Lab
PIM-SM, ASM, dynamic RP with BSR, RPF logic, MRIB verification, and multicast tree building.
Juniper Notes
Junos operations, troubleshooting, routing, Service Provider study notes, and field-style validation references.
Design Notes
Architecture studies, enterprise design work, requirements analysis, constraints, trade-offs, and operational design decisions.
Network Automation Notes
Git, Ansible, CI/CD, EVE-NG tooling, validation workflows, and practical NetDevOps build notes.
IOS XR Network State Collection Engine
A deterministic read-only collector with per-device JSON evidence, partial-failure handling, GitHub Actions, and a controlled Pull Request workflow.
From Troubleshooting to Controlled Change
A real L3VPN troubleshooting session transformed into a controlled Ansible change workflow for Cisco IOS XR.
Building a GitLab CI Pipeline for Network Configuration
GitLab CI/CD, Ansible, CSV source of truth, and router validation in a Cisco U style automation lab.
Building NetLab-Core: Ubuntu Golden Image for EVE-NG
A reusable Ubuntu automation server for CCIE SP labs, pyATS, Ansible, Git, Python, and future NetDevOps services.