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Complex MPLS VPNs

Learn how to configure Managed CE Routers for efficient network management. Understand VRF and RD requirements, configuring Route Targets, and VRF creation. Ensure seamless access for central server NMS.

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Complex MPLS VPNs

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  1. Complex MPLS VPNs Introducing Managed CE Router Service

  2. Outline • Overview • What Are the Requirements of Manageds CE Routers? • What Are the VRF and RD Requirements? • Configuring Managed CE Routers • Summary

  3. Managed CE Routers • Central server NMS needs access to loopback addresses of all CE routers. • Very similar to central services and simple VPNs: • All of the CE routers participate in the central services VPN. • Only the loopback addresses of the CE routers need to be exported into the central services VPN.

  4. VRF Creation and RD Overview • Create one VRF per customer VPN per PE router. • Assign the same RD to each customer VRF. • Create an NMS VRF on the PE-CS router. • Assign a unique RD to the NMS VRF.

  5. Configuring Route Targets • Configure the per-customer import-export RT in all customer VRFs. • Configure the NMS import-export RT in NMS VRF. • Import routes with the NMS RT into the customer VRF. • Export loopback addresses from the customer VRF with RT NMS_Client. • Import routes with RT NMS_Client into NMS VRF.

  6. Configuring VRFs

  7. Summary • The managed CE routers service allows the service provider to access the loopback addresses of the CE router for management purposes. • Managed VRF and RD design is the same as with the hybrid of a central and a simple VPN. • Managed RT design is the same as with the hybrid of a central and simple VPN, except for the RT marking process during route export.

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