Overview

MPLS Operation, Administration, and Maintenance (OAM) provides fault management tools for the following purposes:

• MPLS data plane connectivity verification.

• Data plane and control plane consistency verification.

• Fault locating.

These fault management tools include the following types:

• On-demand tools—Tools that must be triggered manually, such as MPLS ping and MPLS tracert.

• Proactive tools—Tools that are triggered by the system automatically, such as BFD for MPLS, and periodic MPLS tracert.

You can use these tools to detect and locate faults of LSPs, MPLS TE tunnels, and MPLS PWs.