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Cisco Bug: CSCut30000 - Nexus: logging server reported unreachable for 30s while syslog not sent

Last Modified

Feb 28, 2018

Products (8)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch

Known Affected Releases


Description (partial)

Nexus 9K running 6.1(2)I3(3a) switch has confirmed - working - Layer3 connectivity
Remote syslog server is working fine and syslog port is open (not filtered)

Right after configuring the remote server as a new logging server on the switch, there is a 30s delay during which the switch will not send syslog messages for at least 30s.  

During this time the switch *incorrectly* reports that the server is unreachable.

problem reproduced on Nexus 7K running 6.2(10), 9K 6.1(2)I3(3a)

initial configuration of a remote server.
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Bug Details Include

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