The 'Cisco KnowledgeBase' section is one of the newest and most popular section on Firewall.cx. Dedicated to Cisco's leading technological inovations, this section offers articles covering multiple categories such Cisco Routers, Switches, Voice over IP and much more.

All articles are written by qualified engineers with years of experience and are complimented by our unique diagrams.

The quality of provided information is so high, readers can use it as a guideline for learning Cisco Technologies, but also for self-study exams.

We should note that Firewall.cx is only site, officially recommended by Cisco's Network Academy Program (see Site Related/Awards section), which confirms the validity of Firewall.cx and provided information.

Articles and examples provided in this section, cover the CCENT, CCNA, CCDA, CCNP & CCVP certification levels.

The Cisco Router section contains technical articles covering the installation and configuration of Cisco routers and services such as GRE Tunnels, VPN connections, Policy Based Routing (PBR), Router-on-a-stick, Dynamic Multipoint VPN (DMVPN), Cisco Configuration Profressional Setup and much more.

All our articles contain detailed step-by-step instructions and detailed diagrams to ensure the reader understands the topic covered and is able to implement it without much trouble.

We hope you enjoy the provided articles and welcome your feedback and suggestions.