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Cisco Bug: CSCul11180 - BGP session is closed due to fd read error

Last Modified

Jan 24, 2019

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases

6.2(0)PF(0.296) 6.2(5.41)S2

Description (partial)

Symptom:
BGP flapping on N7K running 6.2.2 due to fd read error

sh bgp internal event-history events |inc "Read error from peer" 
[8682]: [8693]: (default) EVT: Read error from peer : No buffer space available

N7K#show ip bgp neighbors show

  Connections established 1000, dropped 999<<<<<<
  Last reset by us 00:00:18, due to fd read error<<<<<<<<<
  Reset error value 64
 Last reset by peer never, due to No error

Conditions:
Issue is seen in Nexus7000 with 6.2 releases., what conditions to see this ?
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