Symptom
below traces will be continuously observed in router terminal and random traffic drop on all mvpn profile traffic
RP/0/RP0/CPU0:Nov 28 12:13:20.689 IST: fib_mgr[317]: %ROUTING-FIB-3-PD_FAIL : FIB platform error: fib_mpls_mol_platform_update 202 MOL (LL 31257) (mpi_flags 0x0, lsp_flags 0x0) PD action MODIFY failed rc 0xfffffffc 'Subsystem(8191)' detected the 'unknown' condition 'Code(63)': Unknown error 508 : fib_mgr : (PID=5251) : -Traceback= 55d04e3b0757 55d04e3af2b0 55d04e48a4a7 55d04e3a3f23 55d04e3a55c3 55d04e48a431 55d04e4c0757 55d04e48a4a7 55d04e3a3f23 55d04e3a55c3 55d04e48a431 55d04e3ab849 55d04e2bac94 7f3aeb81835d 7f3aeb8221f0 55d04e2c3b58
Conditions
Ideally customer deployment will be a single profile in the network. However if customer would like try a new profile profile-6 in the network and if mldp frr is enabled issue may occur when any of the peer reload happens in the network
Workaround
Router reload or Isolate profile-6 from the core netwrok
Further Problem Description
backup path for profile-6 is also programmed where FRR is not supported. Also random traffic drop will be seen when the tracebacks are observed