Build a L3VPN Unicast & Mcast Cloud – 6 Part Series

Building a MPLS L3VPN Unicast and Multicast Cloud (6 Part Blog Series)

Intended Audience: People newer to L3VPN Unicast and L3VPN Multicast (mVPN).

Blog series is 6 blogs, plus zip files of the varying configs as we build them, plus sniffer traces for you to download and refer to.

MPLS L3VPN diagram

MPLS Fun in the Lab: Building the MPLS Cloud – Part 1 of 6

Create the MPLS cloud and prep it for MPLS L3VPN Unicast for One L3VPN Customer

  • OSPF area 0
  • MPLS LDP neighbors between the PEs and the P
  • BGP VPNv4 peers from all PEs to the VPNv4 Route Reflector

MPLS Fun in the Lab: Connect a Customer – Part 2 of 6

  • Create a VRF in each PE.
  • Apply the VRF and IP addresses on the interfaces in each PE towards the CEs.
  • Create the BGP neighbors in the PEs towards the CEs.
  • Ping from HQ to Site 11
  • Look at the sniffer trace of the above Ping

MPLS Fun in the Lab: Following the Labels – Part 3 of 6

No additional configs done here.  Download the configs, the sniffer trace and follow along with the blog as we run varying commands and follow the labels.

MPLS Fun in the Lab: Add the Multicast at the Customer – Part 4 of 6

  • Enable Multicast-Routing globally
  • Enable PIM on all relevant interfaces
  • Configure both with the same Rendezvous Point

MPLS Fun in the Lab: Add the Multicast in the Cloud – Part 5 of 6

  • Multicast-Routing/PIM enabled in the Core to Pass the Multicast
  • BGP IPv4 MDT for the Rosen Draft MVPN

MPLS Fun in the Lab: Troubleshooting the MVPN Cloud – Part 6 of 6

I always learn better when I need to troubleshoot something.  So toss your Network Detective hat on and join me for a Troubleshooting mVPN ride-a-long