Log Format Description

Log Format

Figure 1 shows the format of output logs.

Logs are output in the format of module name/severity level/summary/log description.

Figure 1 Format of output log information

Log Field Description

Field	Name	Description
<Int_16>	Leading character	Is added to the log information to be sent to a log host and is not added to the log information saved on a local device.
TIMESTAMP	Timestamp	Date and time when a log is output. Date and time when a log is output, in the format "yyyy-mm-dd hh:mm:ss". The format of the log timestamp is configurable. "yyyy-mm-dd" stands for the date. "hh:mm:ss" stands for the time, and "hh" (hour) is specified in the 24-hour format.
HOSTNAME	Host name or virtual system name	The default name is HUAWEI.
%%	Huawei identifier	Indicates that the log is output by a Huawei device.
dd	Version number	Indicates the version of the log format.
AAA	Module name	Indicates the name of the module by which logs are output.
B	Log level	Indicates the severity of a log.
CCC	Description	Indicates the further description of a log.
(l)	Information type	Indicates the type of the log information. (l): Log (t): Trap (d): Debug (s): Security log (m): Maintenance log
CID=ZZZ	System component ID.	Indicates the system component ID to which a log belongs.
EEEE	Information about details	Indicates the detail information about the system component output. Each time before the log is output, the module fills up its contents.

Example

2011-08-18 18:08:56 HUAWEI %%01CLI/5/LOGIN(l):CID=2160731923;VTY0 login from 192.168.0.1 succeed.

The preceding log information shows that this log was generated at 18:08:56 on August 18, 2011 on a host named HUAWEI; the log was generated by the CLI module and was at level 5; the component ID is 2160731923; the user with the IP address 192.168.0.1 successfully logged in to the system through VTY0.