Symptom

In a Nexus 600x/5600, an ASIC might be declared faulty due to incorrect ECC error handling by NX-OS. Messages such as following will be seen

%NOHMS-2-NOHMS_DIAG_ERROR: Module 1: Runtime diag detected major event: Forwarding ASIC failure: Ethernet1/37 Ethernet1/38 Ethernet1/39 Ethernet1/40 Ethernet1/41 Ethernet1/42 Ethernet1/43 Ethernet1/44 Ethernet1/45 Ethernet1/46

Conditions

ECC error seen on affected ASIC

Workaround

Reset LEM.

Further Problem Description