New post from Sarah Chen on ignaonline.com:

MPLS L3VPN on Cisco IOS-XE: VRF, MP-BGP, and LDP Configuration Guide

A complete step-by-step guide to configuring MPLS L3VPN on Cisco IOS-XE — covering LDP setup, VRF definitions with Route Distinguishers and Route Targets, MP-BGP PE-to-PE peering, PE-CE routing, and end-to-end verification with real show command output.

Topics covered:

• MPLS/LDP setup on provider core routers
• VRF configuration with RD and RT on PE routers
• MP-BGP VPNv4 address family
• OSPF-based PE-CE routing and redistribution
• End-to-end verification with MPLS label stack traceroute
• Troubleshooting common failure points
• Scaling with route reflectors and extranet VRFs

Read the full article