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Cisco Bug: CSCta65811 - CEMR-6 Traffic is completely down on AIS-P injection for 250ms

Last Modified

Jul 01, 2011

Products (1)

  • Cisco ONS 15300 Series

Known Affected Releases

8.54 9.10

Description (partial)

Symptom:GFP-LFD is reported and traffic is down on HO (STS1, STS3c, VC3, VC4) HW-LCAS unprotected circuits, when AIS is injected on all the members of HW-LCAS circuit for duration of more than 50ms and  less than 300ms. 
Issue is seen with CEMR-10, CEMR-6 and MLMR-10 cards.

Conditions:Create a HO (STS1, STS3c, VC3, VC4) HW-LCAS circuits. 
Inject AIS on all the members for a duration of more than 50ms and  less than 300ms, for multiple iterations.  GFP-LFD is reported and traffic is completely lost in the direction AIS is injected. 
Issue is not seen with Protected (UPSR) circuits.
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