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.