NHPREP Blog

Insights, tutorials, and tips for networking and security professionals.

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CCIE Security

Network as Code: ACI and FMC Cross-Technology Automation

Master cross-technology automation of ACI and FMC using Network as Code principles, Terraform modules, YAML-driven data models, and DevOps CI/CD pipelines.

A
Admin
Mar 26, 2026
25 min
BLOG
CCIE Security

ACI Multi-Site Architecture and Deployment Guide

A comprehensive guide to ACI multi-site architecture covering inter-site connectivity, NDO deployment, control and data plane operations, and MTU design.

A
Admin
Mar 26, 2026
23 min
BLOG
CCIE Security

ACI PBR Troubleshooting Deep Dive | Policy Based Redirect

Deep dive into troubleshooting ACI Policy Based Redirect service graphs with CLI verification, ELAM triggers, and packet walk analysis across leaf and spine.

A
Admin
Mar 26, 2026
22 min
BLOG
CCIE Security

Advanced SGT Multi-Domain Context: Cross-Domain Security Tags

Deep dive into deploying Security Group Tags across multiple network domains for unified zero trust segmentation and consistent policy enforcement.

A
Admin
Mar 26, 2026
24 min
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CCIE Security

ACI Infrastructure as Code with Terraform | NHPREP

Master ACI Terraform automation: learn HCL configuration, the ACI provider, resource management, state tracking, and full IaC workflows for data center fabrics.

A
Admin
Mar 26, 2026
22 min
BLOG
CCIE Security

AIOps for Cisco Secure Firewall: AI-Powered Threat Management

Discover how AIOps for Cisco Secure Firewall uses AI and machine learning to simplify operations, detect threats, optimize policies, and automate remediation.

A
Admin
Mar 26, 2026
22 min
BLOG
CCIE Security

CCIE Security v6 Lab: ISE, TrustSec, ESA & WSA Guide

Master the CCIE Security v6 lab with step-by-step configurations for ISE, 802.1X, TACACS+, TrustSec, ESA, WSA, and Software Defined Access.

A
Admin
Mar 26, 2026
24 min
BLOG
CCIE Security

Zero Trust Network Access: Complete Implementation Guide

A comprehensive guide to implementing Zero Trust Network Access using identity-based segmentation, endpoint analytics, secure access, and workload protection.

A
Admin
Mar 26, 2026
24 min