Synchronizing Log Messages - Cisco 3845 - Security Bundle Router Software Manual
Software configuration guide
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Chapter 24
Configuring System Message Logging
Command
Step 3
logging host
Step 4
logging file flash:filename
[max-file-size [min-file-size]]
[severity-level-number | type]
Step 5
end
Step 6
terminal monitor
Step 7
show running-config
Step 8
copy running-config startup-config
The logging buffered global configuration command copies logging messages to an internal buffer. The
buffer is circular, so newer messages overwrite older messages after the buffer is full. To display the
messages that are logged in the buffer, use the show logging privileged EXEC command. The first
message displayed is the oldest message in the buffer. To clear the contents of the buffer, use the clear
logging privileged EXEC command.
To disable logging to the console, use the no logging console global configuration command. To disable
logging to a file, use the no logging file [severity-level-number | type] global configuration command.
Synchronizing Log Messages
You can synchronize unsolicited messages and debug privileged EXEC command output with solicited
device output and prompts for a specific console port line or virtual terminal line. You can identify the
types of messages to be output asynchronously based on the level of severity. You can also configure the
maximum number of buffers for storing asynchronous messages for the terminal after which messages
are dropped.
When synchronous logging of unsolicited messages and debug command output is enabled, unsolicited
device output appears on the console or printed after solicited device output appears or is printed.
Unsolicited messages and debug command output appears on the console after the prompt for user input
OL-23400-01
Purpose
Log messages to a UNIX syslog server host.
For host, specify the name or IP address of the host to be used as the
syslog server.
To build a list of syslog servers that receive logging messages, enter this
command more than once.
For complete syslog server configuration steps, see the
UNIX Syslog Servers" section on page
Store log messages in a file in flash memory.
For filename, enter the log message filename.
•
(Optional) For max-file-size, specify the maximum logging file size.
•
The range is 4096 to 2147483647. The default is 4096 bytes.
(Optional) For min-file-size, specify the minimum logging file size.
•
The range is 1024 to 2147483647. The default is 2048 bytes.
•
(Optional) For severity-level-number | type, specify either the logging
severity level or the logging type. The severity range is 0 to 7. For a
list of logging type keywords, see
default, the log file receives debugging messages and numerically
lower levels.
Return to privileged EXEC mode.
Log messages to a nonconsole terminal during the current session.
Terminal parameter-setting commands are set locally and do not remain
in effect after the session has ended. You must perform this step for each
session to see the debugging messages.
Verify your entries.
(Optional) Save your entries in the configuration file.
Cisco ME 3800X and 3600X Switch Software Configuration Guide
Configuring System Message Logging
"Configuring
24-11.
Table 24-3 on page
24-9. By
24-5
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