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Cisco Bug: CSCvv36177 - VPC peer keep-alive failed after multiple failed user authentications

Last Modified

Sep 23, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

7.0(3)I7(7) 7.0(3)I7(8) 9.3(5)

Description (partial)

Symptom:
VPC peer keep-alive keeps failing after multiple failed user authentication:

N3K01# show logging las 10
2020 Jun 13 13:57:17 N3K01 %AUTHPRIV-3-SYSTEM_MSG: pam_aaa:Authentication failed from 10.66.71.99 - dcos_sshd[26763]
2020 Jun 13 13:57:21 N3K01 %AUTHPRIV-3-SYSTEM_MSG: pam_aaa:Authentication failed from 10.66.71.99 - dcos_sshd[26788]
2020 Jun 13 13:57:24 N3K01 %AUTHPRIV-3-SYSTEM_MSG: pam_aaa:Authentication failed from 10.66.71.99 - dcos_sshd[26807]
2020 Jun 13 13:57:24 N3K01 %DAEMON-3-SYSTEM_MSG: error: maximum authentication attempts exceeded for invalid user cisco from 10.66.71.99 port 48526 ssh2 - dcos_sshd[26760]
2020 Jun 13 13:57:29 N3K01 %VPC-2-PEER_KEEP_ALIVE_RECV_FAIL: In domain 192, VPC peer keep-alive receive has failed
2020 Jun 13 13:58:56 N3K01 %AUTHPRIV-3-SYSTEM_MSG: pam_aaa:Authentication failed from 10.66.71.99 - dcos_sshd[27291]
2020 Jun 13 13:59:00 N3K01 %AUTHPRIV-3-SYSTEM_MSG: pam_aaa:Authentication failed from 10.66.71.99 - dcos_sshd[27308]
2020 Jun 13 13:59:03 N3K01 %AUTHPRIV-3-SYSTEM_MSG: pam_aaa:Authentication failed from 10.66.71.99 - dcos_sshd[27334]
2020 Jun 13 13:59:03 N3K01 %DAEMON-3-SYSTEM_MSG: error: maximum authentication attempts exceeded for invalid user cisco from 10.66.71.99 port 48560 ssh2 - dcos_sshd[27282]
2020 Jun 13 13:59:08 N3K01 %VPC-2-PEER_KEEP_ALIVE_RECV_FAIL: In domain 192, VPC peer keep-alive receive has failed

Conditions:
Perform the remote login using automation tool
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Bug Details Include

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