Symptom

Random occurrences of the following error logs: 2022 Feb 4 00:31:51.597 swi-dcz1-124-hit-d13-u %LICMGR-3-LOG_SMART_LIC_COMM_FAILED: (pid=21940) Communications failure with the Cisco Smart Software Manager (CSSM) : Fail to parse response data from SCH server LICMGR-3-LOG_SMART_LIC_COMM_FAILED: Communications failure with the Cisco Smart Software Manager (CSSM) : Failed to send out Call Home HTTP message LICMGR-3-LOG_SMART_LIC_AUTH_RENEW_FAILED: Authorization renewal with the Cisco Smart Software Manager (CSSM): Communication message send error for udi

Conditions

Nexus 9000 switches running 10.1.x or 10.2.x using cloud CSSM.

Workaround

Further Problem Description

The switch may display this errors and connection to the CSSM is momentarily lost, but in next interval the switch can communicate normally with CSSM.