Cisco ASA Audit Event: 210002

210002: LU allocate block 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-3-210002: LU allocate block (bytes) failed.

Event 210002 is generated when Stateful Failover is unable to allocate a block of memory to transmit stateful information to the standby ASA.

How could you resolve this situation?

Check the failover interface using the 'show interface'command to make sure its transmit is normal.Also check the current block memory using the 'show block' command.

Cisco ASA Auditing Tool

EventLog Analyzer is a comprehensive log management software with which you can centrally collect, analyze, and manage logs from all the different log sources in your network. You also get reports and alerts on your network security, making it a power-packed IT security tool.