NHPREP Blog

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

CCIE Enterprise

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.

CCIE Enterprise

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.

CCIE Enterprise

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.

CCIE Enterprise

CCIE EI V1.1 Rev 2 Workbook: Complete Lab Guide & Study Plan

A deep-dive guide to the CCIE EI V1.1 Rev 2 Workbook covering all 13 modules, 200+ labs, and the hands-on skills you need to pass the CCIE Enterprise Infrastructure lab exam.