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Cisco ASA 5500 Series Configuration Guide using ASDM
OL-20339-01
Chapter 57 Information About High Availability
Failover Messages
Failover Messages
When a failover occurs, both adaptive security appliances send out system messages. This section
includes the following topics:
• Failover System Messages, page 57-13
• Debug Messages, page 57-13
• SNMP, page 57-13
Failover System Messages
The adaptive security appliance issues a number of system messages related to failover at priority level
2, which indicates a critical condition. To view these messages, see the Cisco ASA 5500 Series System
Log Messages guide. To enable logging, see Chapter 71, “Configuring Logging.”
Note During switchover, failover logically shuts down and then bring up interfaces, generating syslog 411001
and 411002 messages. This is normal activity.
Debug Messages
To see debug messages, enter the debug fover command. See the Cisco ASA 5500 Series Command
Reference for more information.
Note Because debugging output is assigned high priority in the CPU process, it can drastically affect system
performance. For this reason, use the debug fover commands only to troubleshoot specific problems or
during troubleshooting sessions with Cisco TAC.
SNMP
To receive SNMP syslog traps for failover, configure the SNMP agent to send SNMP traps to SNMP
management stations, define a syslog host, and compile the Cisco syslog MIB into your SNMP
management station. See Chapter 73, “Configuring SNMP” for more information.
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