traceoptions (Security Datapath Debug)
Syntax
Hierarchy Level
Release Information
Command introduced in Junos OS Release 9.6.
Description
Sets the trace options for datapath-debug.
Options
- file—Configure the trace file options.
- filename—Name of the file to receive
the output of the tracing operation. Enclose the name within quotation
marks. All files are placed in the directory
/var/log
. By default, the name of the file is the name of the process being traced. - files number—Maximum
number of trace files. When a trace file named
trace-file
reaches its maximum size, it is renamed totrace-file.0
, thentrace-file.1
, and so on, until the maximum number of trace files is reached. The oldest archived file is overwritten.If you specify a maximum number of files, you also must specify a maximum file size with the size option and a filename.
Range: 2 through 1000 files
Default: 10 files
- match regular-expression—Refine the output to include lines that contain the regular expression.
- size maximum-file-size—Maximum size of each trace file, in kilobytes (KB), megabytes
(MB), or gigabytes (GB). When a trace file named
trace-file
reaches this size, it is renamed trace-file.0. When the trace-file again reaches its maximum size,trace-file.0
is renamedtrace-file.1
andtrace-file
is renamedtrace-file.0
. This renaming scheme continues until the maximum number of trace files is reached. Then the oldest trace file is overwritten.If you specify a maximum file size, you also must specify a maximum number of trace files with the files option and a filename.
Syntax: x K to specify KB, x m to specify MB, or x g to specify GB
Range: 10 KB through 1 GB
Default: 128 KB
- world-readable | no-world-readable—By default, log files can be accessed only by the user who configures the tracing operation. The world-readable option enables any user to read the file. To explicitly set the default behavior, use the no-world-readable option
- filename—Name of the file to receive
the output of the tracing operation. Enclose the name within quotation
marks. All files are placed in the directory
- no-remote-trace—Set remote tracing as disabled.
Required Privilege Level
trace—To view this statement in the configuration.
trace-control—To add this statement to the configuration.