Problem StatementFault Management, Configuration Management, Accounting Management, Performance Management, and Security ManagementMPLS OAMVRF-Aware ICMP Ping and LSP Ping/Trace MechanismsDealing with Equal Cost MultipathsNoncompliant RoutersLSR Self-TestVirtual Circuit Connection Verification and Bidirectional Forwarding DetectionA Word About Interworking OAMAny to AnyLocal SwitchingEncapsulation Types and ModesATM over MPLSATM N:1 ModeATM 1:1 ModeAAL5 SDU ModeAAL5 PDU ModeFrame Relay over MPLSGeneric Failure TypesInterface FailurePseudowire FailuresTunnel LSP FailuresConfiguration Management for MPLS-Based NetworksAccounting for MPLS-Based NetworksPerformance Management for MPLS-Based NetworksSecurity Management for MPLS-Based NetworksPer-VPN ManagementIP AddressingVRF-Aware Network Address TranslationSupported MIBsStandards and ReferencesSummary