NHPREP Blog
Insights, tutorials, and tips for networking and security professionals.
Cisco Secure Firewall with ISE and SGT Integration Guide
Master Cisco Secure Firewall and ISE SGT integration for identity-based access control, including packet processing, policy evaluation, and troubleshooting.
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.
CCNP Security VPN: IPsec, SSL & AnyConnect Deep Dive
Deep dive into CCNP Security VPN technologies: IPsec site-to-site tunnels, SSL/TLS VPN, AnyConnect client deployment, ASA licensing, and policy inheritance.
Cisco ISE Deployment: Best Practices, Tips & Posture Guide
A comprehensive guide to planning, deploying, and optimizing Cisco ISE with best practices for scaling, certificates, profiling, policy sets, and posture compliance.
802.1X Troubleshooting: Supplicant to RADIUS Server Guide
Step-by-step 802.1X troubleshooting guide covering EAP-TLS authentication flows, RADIUS fragmentation, CAPWAP MTU, and common WLC error resolution.
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.
OSPF Multi-Area Design & Troubleshooting for CCIE Enterprise
A complete guide to OSPF multi-area design covering area types, virtual links, route summarization, LSA filtering, and redistribution for CCIE EI candidates.
BGP Path Selection & Advanced Routing for CCIE EI
Deep-dive into BGP path selection, community attributes, confederations, private AS handling, local-AS, and BFD for CCIE EI preparation.
MPLS VPN & L3VPN Lab Guide for Enterprise Networks
Step-by-step MPLS VPN lab guide covering LDP configuration, VRF routing, PE-CE protocols, OSPF domain-ID, sham-links, and extranets for CCIE Enterprise.
Catalyst Center Troubleshooting & Zero Trust Deployment Guide
Complete guide to Catalyst Center troubleshooting and Zero Trust deployment covering architecture, CLI tools, inventory sync, SWIM, assurance, upgrades, and endpoint security.
Network Segmentation: TrustSec, SGT & Micro-Segmentation Guide
A comprehensive guide to network segmentation using TrustSec, SGTs, and micro-segmentation strategies across campus, branch, and data center environments.
SD-WAN with Secure Firewall & VPN Integration Guide
A complete guide to integrating Cisco Secure Firewall and VPN services with SD-WAN using IPSec tunnel interfaces, DVTI, and BGP routing for scalable connectivity.