для Cisco Cisco ASA 5550 Adaptive Security Appliance

You can use syslog messages to help troubleshoot errors or monitor system usage and performance.You 
can view real-time syslog messages that have been saved in the log buffer in a separate window, which 
include an explanation of the message, details about the message, and recommended actions to take, if 
necessary, to resolve an error. See 

 for more information.

To monitor NSEL, enter one of the following commands:

To monitor NSEL in ASDM, perform the following steps:

In ASDM, choose Tools > Command Line Interface.

Choose one of the following options:

In the Command field, enter the show flow-export counters command to display runtime counters, 
including statistical data and error data for NSEL, then click Send.

In the Command field, enter the show logging flow-export-syslogs command to list all syslog 
messages that are captured by NSEL events, then click Send.

In the Command field, enter the show running-config flow-export command to display the 
currently configured NetFlow commands, then click Send. 

In the Command field, enter the show running-config logging command to display disabled syslog 
messages, which are redundant because they export the same information through NetFlow, then 
click Send.

Shows runtime counters, including statistical data and error data, for NSEL.

Lists all syslog messages that are captured by NSEL events.

Shows the currently configured NetFlow commands.

Shows disabled syslog messages, which are redundant syslog messages because they 
export the same information through NetFlow.