Understanding, Configuring & Troubleshooting L3VPN

Understanding, Configuring and Troubleshooting L3VPN explores how Layer 3 VPN services are designed, deployed, and maintained within service provider network environments. It introduces the fundamental concepts behind MPLS-based VPNs, including intra-AS L3VPN deployments and various inter-AS models such as Option A, Option B, and Option C. Learners also examine advanced service scenarios like carrier supporting carrier, shared service connectivity, and controlled internet access, along with the routing mechanisms that ensure strict separation between customer networks. The course connects theoretical design principles with practical configuration and troubleshooting workflows, helping learners understand how VPN routes are advertised, validated, and restored when issues occur. It is particularly valuable for CCNP SPCOR candidates and network engineers responsible for operating and supporting MPLS-based service provider infrastructures.