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Cisco Bug: CSCta42559 - Nexus 7k flushes OSPF routes during graceful restart/NSF recovery

Last Modified

Jun 17, 2016

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases


Description (partial)


A Nexus 7k may flush OSPF learned routes when a Cisco IOS OSPF neighbor undergoes an NSF/graceful restart, resulting in 5 to 10 seconds of packet loss.


This is seen when the OSFP neighbor undergoing the NSF/graceful restart is a Cisco IOS router.
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