Reference Guide
Command History
This guide is platform-specific. For command information about other platforms, refer to the 
relevant 
FTOS Command Line Reference Guide
.
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
E-Series legacy 
command
Usage 
Information
When you enable logging synchronous, unsolicited messages appear between 
software prompts and outputs. Only the messages with a severity at or below the set level are 
sent to the console.
If the message queue limit is reached on a terminal line and messages are discarded, a system 
message appears on that terminal line. Messages may continue to appear on other terminal 
lines.
Related 
Commands
logging on — enables logging.
logging trap
Specify which messages are logged to the Syslog server based the message severity.
S4820T
Syntax
logging trap [level]
To return to the default values, use the default logging trap command.
To disable logging, use the no logging trap command.
Parameters
level
Indicate a value from 0 to 7 or enter one of the following parameters: 
emergencies, alerts, critical, errors, warnings, 
notifications, informational, or debugging. The default 
is 6 or informational.
Defaults 6 or informational
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, refer to the 
relevant 
FTOS Command Line Reference Guide
.
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
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