Sending System Log Messages To The Log Buffer - Cisco PIX 500 Series Configuration Manual

Security appliance command line
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Chapter 42
Monitoring the Security Appliance

Sending System Log Messages to the Log Buffer

If configured as an output destination, the log buffer serves as a temporary storage location for system
log messages. New messages are appended to the end of the listing. When the buffer is full, that is, when
the buffer wraps, old messages are overwritten as new messages are generated, unless you configure the
adaptive security appliance to save the full buffer to another location.
This section includes the following topics:
Enabling the Log Buffer as an Output Destination
Note
To start logging to the buffer as defined in this procedure, be sure to enable logging for all output
locations. See the
disable logging, see the
page
To enable the log buffer as a log output destination, enter the following command:
hostname(config)# logging buffered { severity_level | message_list }
Where the severity_level argument specifies the severity levels of messages to be sent to the buffer. You
can specify the severity level number (0 through 7) or name. For severity level names, see the
Levels" section on page
system log messages for level 3, 2, 1, and 0.
The message_list argument specifies a customized message list that identifies the system log messages
to send to the buffer. For information about creating custom message lists, see the
Messages with Custom Message Lists" section on page
For example, to specify that messages with severity levels 1 and 2 should be saved in the log buffer, enter
one of the following commands:
hostname(config)# logging buffered critical
or
hostname(config)# logging buffered level 2
For the message_list option, specify the name of a message list containing criteria for selecting messages
to be saved in the log buffer.
hostname(config)# logging buffered notif-list
Viewing the Log Buffer
To view the log buffer, enter the following command:
hostname(config)# show logging
OL-12172-03
Enabling the Log Buffer as an Output Destination, page 42-13
Viewing the Log Buffer, page 42-13
Automatically Saving the Full Log Buffer to Flash Memory, page 42-14
Automatically Saving the Full Log Buffer to an FTP Server, page 42-14
Saving the Current Contents of the Log Buffer to Internal Flash Memory, page 42-15
Clearing the Contents of the Log Buffer, page 42-15
"Enabling Logging to All Configured Output Destinations" section on page
"Disabling Logging to All Configured Output Destinations" section on
42-6.
42-24. For example, if you set the level to 3, then the security appliance sends
42-18.
Cisco Security Appliance Command Line Configuration Guide
Configuring and Managing Logs
42-6. To
"Severity
"Filtering System Log
42-13

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