[Problem Description]
N9K(config)#show logging last 30
2022 Oct 25 13:15:16 Hostname %DAEMON-3-SYSTEM_MSG: error: protocol identification string lack carriage return - dcos_sshd[25605]
2022 Oct 25 13:15:16 Hostname %DAEMON-3-SYSTEM_MSG: error: protocol identification string lack carriage return - dcos_sshd[25606]
2022 Oct 25 13:25:16 Hostname %DAEMON-3-SYSTEM_MSG: error: protocol identification string lack carriage return - dcos_sshd[28261]
2022 Oct 25 13:25:16 Hostname %DAEMON-3-SYSTEM_MSG: error: protocol identification string lack carriage return - dcos_sshd[28263]
2022 Oct 25 13:35:16 Hostname %DAEMON-3-SYSTEM_MSG: error: protocol identification string lack carriage return - dcos_sshd[30835]
2022 Oct 25 13:35:16 Hostname %DAEMON-3-SYSTEM_MSG: error: protocol identification string lack carriage return - dcos_sshd[30839]
2022 Oct 25 13:45:16 Hostname %DAEMON-3-SYSTEM_MSG: error: protocol identification string lack carriage return - dcos_sshd[896]
2022 Oct 25 13:45:16 Hostname %DAEMON-3-SYSTEM_MSG: error: protocol identification string lack carriage return - dcos_sshd[897]
2022 Oct 25 13:55:16 Hostname %DAEMON-3-SYSTEM_MSG: error: protocol identification string lack carriage return - dcos_sshd[4276]
2022 Oct 25 13:55:16 Hostname %DAEMON-3-SYSTEM_MSG: error: protocol identification string lack carriage return - dcos_sshd[4277]
[Action Plan]
Newer versions of NX-OS are have an updated version of OPENSSH. That can cause these errors to be seen when a device with an older version of OPENSSH is attempting to SSH into the Nexus. The logs are harmless.
If you don't want to see this log, please take action with the command below.
# logging level daemon 2
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