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Cisco Bug: CSCvv51001 - Crash during BGP VPN route import

Last Modified

Aug 27, 2020

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

16.6.6

Description (partial)

Symptom:
Router crash on BGP Scanner process:

Exception to IOS Thread:
Frame pointer 0x7FF4060C18A0, PC = 0x7FF557E3D1C5

UNIX-EXT-SIGNAL: Segmentation fault(11), Process = BGP Scanner

Conditions:
Still under investigation but thus far we know the crash was seen with 200+ VRF neighbors flapping with route imports PBR similar to:

route-map <name> permit 10 
 match ip address prefix-list <prefix-list>
 set local-preference <number>
 set community <community> additive
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  • Full Description (including symptoms, conditions and workarounds)
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