Here are basic steps how to configure MPLS L3 VPN:

  1. Configure IGP inside SP Core
  2. Configure MPLS LDP inside SP Core
  3. Create VRF, RD and RT for customer
  4. Configure VPNv4 peering between PE routers
  5. Configure routing between PE and CE – you provide whatever customer requires here (OSPF, static, BGP, ISIS, RIP,…)
  6. Configure redistribution on PE routers

In next articles we go to more details in listed steps