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Cisco Bug: CSCus67954 - [200G-CK-LC] Negative values reported in T-BIT-EC TCAs

Last Modified

Feb 23, 2018

Products (1)

  • Cisco ONS 15454 Series Multiservice Provisioning Platforms

Known Affected Releases

10.30 10.50 10.51 10.52 10.521 10.522 10.60

Description (partial)

Negative values reported in T-BIT-EC TCAs for 200G-CK-LC

1. Provision 
    > M6 chassis
    > Card: 200G-CK-LC
    > Opmode: MXP-10x10G-100G
    > Payload: 10Gige
2. Gently plug out the trunk fiber to produce a high number of BIT-EC counter (without disrupting the traffic, ie without uncorrected word incrementing or alarm reported).
3. After 15 min following TL1 command shows negative values for threshold and current values
"CHAN-1-2-2:T-BIT-EC,TC,01-27,21-39-39,NEND,RCV,-429371850,-647710720,15-MIN:\"Performance Monitor Threshold Crossing Alert\",100GS-CK-LC"
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