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### Instruction:
ESD-3-CRITICAL_PORT_FAILURE
### Response:
(Severity: 3), (Category: INFRA), (Description: The Ethernet Switch Driver (ESD) process detected a failure on a switch port that is critical for control ethernet connectivity. All attempts to recover from the failure by re-initializing the port were unsuccessful, so ESD will reset the switch, then exit so that it will be restarted by the process manager.), (Recommended Action: If this problem does not recur, no intervention is required to recover. To determine why this problem occurred, or if the problem occurs multiple times, collect the Ethernet Switch Driver (ESD) traces and related information using the 'show tech-support control-ethernet', and 'show controllers switch trace' commands. Also collect the OS kernel logs. Copy the error message exactly as it appears on the console or in the system log, call your Cisco technical support representative and provide the representative with the gathered information.)
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