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Nexus 3548P-XL: BIOSINFO Checksum Error Persists in L2 Mode

calendar_today September 29, 2026 person hsjung domain cisco-psirt

Hello, The following log message is occurring on a Cisco Nexus 3548P-XL (N3K-C3548P-XL) switch: %KERN-3-SYSTEM_MSG: biosinfo checksum failed expected ff Got c - kernel We referred to the Cisco TAC documentation related to CSCve63984 and performed the recommended workaround: configure terminal fan speed set 60 fan speed default end However, the same log message continues to appear after performing the workaround. The affected switch is currently running NX-OS 10.3(6) and is operating as an L2 switch in a production environment. Interestingly, we are also using the same Nexus 3548P-XL model with

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