Alcatel Carrier Internetworking Solutions 7700 Manuel D’Utilisation

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March 2005
CLI Basics
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Command Logging
OmniSwitch 7700/7800 switches provide command logging. 
This feature allows users to record up to 100 of the most recent 
commands entered via Telnet and console sessions. In addi-
tion to a list of commands entered, the results of each 
command entry are recorded. Results include information such 
as whether a command was executed successfully, or whether 
a syntax or configuration error occurred.
Note. The command history feature differs from the 
command logging feature in that command history buff-
ers up to 30 of the most recent commands. The command 
information is not written to a separate log file. Also, the 
command history feature includes only general keyword 
syntax (i.e., it does not record full syntax, date and time, 
session IP address, and entry results). For more informa-
tion on command history, refer to 
Refer to the sections below for more information on configur-
ing and using CLI command logging. For detailed information 
related to command logging commands, refer to the 
OmniSwitch CLI Reference Guide
Enabling Command Logging
By default, command logging is disabled. To enable command 
logging on the switch, enter the following command:
-> command-log enable 
When command logging is enabled via the command-log 
enable
 syntax, a file called command.log is automatically 
created in the switch’s /flash directory. Once enabled, configu-
ration commands entered on the command line will be 
recorded to this file until command logging is disabled.
The command.log file has a 66402 byte capacity. This capac-
ity allows up to 100 of the most recent commands to be 
recorded. Because all CLI command logging information is 
archived to the command.log file, command history informa-
tion will be lost if the file is deleted. 
Note. The command.log file cannot be deleted while the 
command logging feature is enabled. Before attempting to 
remove the file, be sure to disable command logging. 
For detailed information on command logging, refer to “Using 
the CLI” in the Switch Management Guide.