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Configuring System Message Logging
How to Configure System Message Logging
Synchronizing Log Messages
Command Purpose
1. configure terminal Enters global configuration mode.
2. line [console | vty] line-number
[ending-line-number]
Specifies the line to be configured for synchronous logging of
messages.
Use the console keyword for configurations that occur through
the switch console port.
Use the line vty line-number command to specify which vty
lines are to have synchronous logging enabled. You use a vty
connection for configurations that occur through a Telnet
session. The range of line numbers is from 0 to 15.
You can change the setting of all 16 vty lines at once by entering:
line vty 0 15
Or you can change the setting of the single vty line being used for
your current connection. For example, to change the setting for vty
line 2, enter:
line vty 2
When you enter this command, the mode changes to line
configuration.
3. logging synchronous [level [severity-level |
all] | limit number-of-buffers]
Enables synchronous logging of messages.
(Optional) level severity-level—Specifies the message severity
level. Messages with a severity level equal to or higher than this
value are printed asynchronously. Low numbers mean greater
severity and high numbers mean lesser severity. The default is 2.
(Optional) level all—Specifies that all messages are printed
asynchronously regardless of the severity level.
(Optional) limit number-of-buffers—Specifies the number of
buffers to be queued for the terminal after which new messages
are dropped. The range is 0 to 2147483647. The default is 20.
4. end Returns to privileged EXEC mode.
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