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Cisco Bug: CSCup93803 - Topaz MC4+2 fabric planes have gone down on idle state during longevity

Last Modified

May 09, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

5.1.3.BASE

Description (partial)

Symptom:
CRS Multichassis fabric planes would go to OUT_OF_SRV state when there is a double fault scenario "RPFO on any LCC rack" and a fabric plane going down simultaneously either user triggered or self occurrence.

Conditions:
This issue can happen when a line card chassis/rack nodes deferral window is in progress after a double fault has occur ed and a fabric ping is generated by the DSC standby RP. Probability of hitting this issue is less in customer environment.
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