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Cisco Bug: CSCvt27512 - N9K-C93180YC-EX incorrect BGP route next hop in FIB after upgrade from 7.0.3.i7.6 to 9.3.3

Last Modified

May 12, 2020

Products (1)

  • Cisco MDS 9000 NX-OS and SAN-OS Software

Known Affected Releases

9.3(3)

Description (partial)

Symptom:
Nexus 9K running 9.3.3 will blackhole traffic due to a FIB misprogramming in hardware

Conditions:
Nexus running 9.3.3 (earlier releases not impacted)
Only seen when using 3 recursive routes that leverage a static route as the second lookup, IE:
BGP -> Static -> Connected
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