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Cisco Bug: CSCuw47244 - Slingshot EDVT: Erroneous BIP errors on PHY PCS Receive-Side from optics

Last Modified

Jul 21, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

6.0.0.BASE

Description (partial)

Symptom:
'show controller hundredGigE 0/0/0/0 phy' reports BIP Errors

Conditions:
Board in IOS-XR RUN state. Aproximately 85% of interface power-ons/config

If once interface have few BIP Error, then as PHY is not clearing the error register conters and XR logic expects only delta from the PHY during read is performed. BIP Error in XR display will keep on incrementing (although these are bogus, there is no real problem), no functionality impact is expected with this.
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