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Cisco Bug: CSCur43326 - FCS errors observed from UNI port with traffic oversubscription

Last Modified

Sep 13, 2019

Products (1)

  • Cisco ONS 15454 Series Multiservice Provisioning Platforms

Known Affected Releases

10.01 9.605

Description (partial)

FCS Error frames are observed when an UNI port of 10GE-XPE card is over subscribed.

This problem is occurred when an UNI port of 10GE-XPE card is over subscribed.
Traffic from one trunk port(XE3) and one client port(XE1) is traversed through client port (XE0). 
The traffic sent through both the ports (XE3 & XE1) should  be more than 10Gig.
The client port(XE0) should be configured in UNI mode. 
FCS errors could be observed in the UNI PORT (XE0).
FCS errors are not observed when the frame size is in-between 64-99 bytes.
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