Cisco ASA Audit Event: 210006

210006: LU look NAT failed

Cisco ASA is a security device that provides the combined capabilities of a firewall, an antivirus, and an intrusion prevention system. It also facilitates virtual private network (VPN) connections.It helps to detect threats and stop attacks before they spread through the network.

Message: %ASA-3-210006:LU look NAT for IP_address failed.

Event 210006 is generated when Stateful Failover is unable to locate a NAT group for an IP address on the standby unit. The Active and Standby ASAs might not be in sync with each other.

How could you resolve this situation?

Synchronize the Active unit system memory with the Standby unit using the 'write standby' command.

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