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I'm having drops in the Circuit Emulation

Hello,

I'm having some drops in the circuit emulation between BTS and BSC connection. Did a ping from the BTS router to the BSC router and  there is no packet loss ou high delay. Could someone help? I'm finding that the drops are being caused by jitter, there is a link with DWDM transmission in the middle. Perhaps the DWDM is not configured correctly.

ping X.X.X.X size 1600 df-bit 

Type escape sequence to abort.
Sending 5, 1600-byte ICMP Echos to 10.209.82.34, timeout is 2 seconds:
Packet sent with the DF bit set
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/8 ms

show cem platform 
CEM0/0:0 errors:
  Last cleared 1w5d
CEM0/1:0 errors:
  num_output_pkt_drop =========== 48135/228333357
    MissingPkts ================= 3480
    Jitter_buffer_Underruns ===== 37009
    MisOrderDropped ============= 113
    Jitter_buffer_Overruns ====== 7533
  Last cleared 2d15h

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