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Cisco Bug: CSCuo51082 - Pending LOS alarm after OIR DWDM PLIM

Last Modified

Feb 14, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

4.2.3.BASE

Description (partial)

G709 alarm is not cleared on DWDM PLIM:
RP/0/RP0/CPU0:Router#sh logging events buffer group g709 location 5/13/CPU0
Wed Mar 12 15:12:31.879 UTC
#ID    :C_id:Source  :Time                :%GROUP-SEVERITY-MESSAGECODE: Text

#144196:    :LC/0/6/CPU0:Mar  4 08:24:06.982 2014:plim_cge_dwdm[277]: %L2-G709-4-ALARM : dwdm0/6/0/0 : ODU-AIS

Symptom:
G709 alarm is not cleared for DWDM PLIM event when the Alarm is not present anymore.

RP/0/RP0/CPU0:Router#sh logging events buffer group g709 location 5/13/CPU0
Wed Mar 12 15:12:31.879 UTC
#ID    :C_id:Source  :Time                :%GROUP-SEVERITY-MESSAGECODE: Text

#144196:    :LC/0/6/CPU0:Mar  4 08:24:06.982 2014:plim_cge_dwdm[277]: %L2-G709-4-ALARM : dwdm0/6/0/0 : ODU-AIS

Conditions:
CRS Router with DWDM PLIM
DWDM PLIM card has alarm raised before removal+re-insertion or powercycle (OIR event)
Reason for standing DWDM PLIM Alarm gets cleared during the OIR event
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