eBGp Express Course

eBGP Express is a self-paced, hands-on course that teaches external BGP from first principles to a working four-router lab. You'll start with the foundations: autonomous systems, the path-vector model, AS_PATH loop prevention, message types, path attributes, and best-path selection. Next, you'll learn what must be true for a peering to form, how to read the neighbor state machine, and how to verify and troubleshoot sessions on Cisco IOS/IOS-XE. Then you'll originate prefixes with the network command, summarize contiguous address space with aggregate-address and summary-only, and understand the Null0 discard route. Finally, you'll build a four-router, four-AS lab from a blank configuration, trace AS_PATH and next-hop changes across three AS boundaries, then break the lab on purpose and fix it. Following the LAZ philosophy, "Lab Your Way to Success," nearly everything is delivered as hands-on practice, because reading builds vocabulary but labbing builds skill. The course takes roughly five hours in total, includes a knowledge check and command quick reference, and works with CML, EVE-NG, GNS3, or physical gear. Annotated sample output and a clear troubleshooting table keep you moving, while every command you type builds real, lasting confidence. Whether you're preparing for the CCNP Enterprise track, where ENCOR and ENARSI both expect BGP fluency, or simply want to understand how the internet is put together, you'll leave with practical, job-ready skills you can apply on real networks.

Your Cisco Instructor,

Laz Diaz (The IP Master)