| Message Code | ASA-1-323006 |
| Severity | Alert |
| Description | Module in slot slot experienced a data channel communication failure, data channel is DOWN. |
| Explanation | This message indicates that a data channel communication failure occurred and the system was unable to forward traffic to the SSM. This failure triggers a failover when the failure occurs on the active appliance in an HA configuration. The failure also results in the configured fail
open or fail closed policy being enforced on traffic that would normally be sent to the SSM. This message is generated whenever a communication problem over the security appliance dataplane occurs between the system module and the SSM, which can be caused when the SSM stops, resets, or is removed.
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