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traceoptions (Fixed Wireless Access)



Hierarchy Level

Release Information

Statement introduced in Junos OS Release 19.2R1 on MX Series routers.


Define tracing operations for fixed wireless access processes.


file filenameName of the file to receive the output of the tracing operation. Enclose the filename within quotation marks. All files are placed in the directory /var/log.
files number(Optional) Maximum number of trace files to create before overwriting the oldest one. If you specify a maximum number of files, you also must specify a maximum file size with the size option.

Range: 2 through 1000

Default: 3 files

flag flagTracing operation to perform. To specify more than one tracing operation, include multiple flag statements.


  • all—Trace all events

  • authentication—Trace authentication events

  • cli—Trace CLI events

  • configuration—Trace configuration events

  • gateway—Trace mobile management entity (MME) events

  • general—Trace general events

  • infra—Trace infrastructure events

  • statistics—Trace statistics events

  • tunnel—Trace GTP-U tunnel events

match regular-expression(Optional) Refine the output to include lines that contain the regular expression.
no-remote-trace(Optional) Disable remote tracing.
no-world-readable(Optional) Disable unrestricted file access.
size maximum-file-size(Optional) Maximum size of each trace file. By default, the number entered is treated as bytes. Alternatively, you can include a suffix to the number to indicate kilobytes (KB), megabytes (MB), or gigabytes (GB). If you specify a maximum file size, you also must specify a maximum number of trace files with the files option.

Syntax: sizek to specify KB, sizem to specify MB, or sizeg to specify GB

Range: 10240 through 1073741824

Default: 128 KB

world-readable(Optional) Enable unrestricted file access.

Required Privilege Level

trace—To view this statement in the configuration.

trace-control—To add this statement to the configuration.