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traceoptions

See the following sections:

traceoptions (DNS and TFTP Packet Forwarding)

Syntax



traceoptions {
file filename <files number> <match regular-expression> <size size> <world-readable |
no-world-readable>;
flag flag;
}

Hierarchy Level



[edit forwarding-options helpers]

Release Information

Statement introduced before JUNOS Release 7.4.

Statement standardized in JUNOS Release 8.0.

match option introduced in JUNOS Release 8.0.

Description

Configure tracing operations.

Default

If you do not include this statement, no tracing operations are performed.

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 a file named fud in the directory /var/log. If you include the file statement, you must specify a filename.
files number—(Optional) Maximum number of trace files. When a trace file named trace-file reaches its maximum size, it is renamed trace-file.0, then trace-file.1, and so on, until the maximum number of trace files is reached. Then the oldest trace 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.
flag—Tracing operation to perform. To specify more than one tracing operation, include multiple flag statements. You can include the following flags:
match regex—(Optional) Refine the output to include lines that contain the regular expression.
size size—(Optional) 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 file again reaches its maximum size, trace-file.0 is renamed trace-file.1 and trace-file is renamed trace-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 filename.
world-readable—(Optional) Enable unrestricted file access.
The remaining statements are explained separately.

Usage Guidelines

See Tracing BOOTP, DNS, and TFTP Forwarding Operations.

Required Privilege Level

interface—To view this statement in the configuration.

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

traceoptions (Extended DHCP Relay Agent)

Syntax



traceoptions {
file filename <files number> <match regular-expression> <size size> <world-readable |
no-world-readable>;
flag flag;
}

Hierarchy Level



[edit forwarding-options dhcp-relay],
[edit logical-systems logical-system-name forwarding-options dhcp-relay],
[edit logical-systems logical-system-name routing-instances routing-instance-name forwarding-options dhcp-relay],
[edit routing-instances routing-instance-name forwarding-options dhcp-relay]

Release Information

Statement introduced in JUNOS Release 8.5.

Description

Configure tracing operations for extended DHCP relay agent processes.

Default

If you do not include this statement, no tracing operations are performed.

Options

file-name—Name of the file to receive the output of the tracing operation. Enclose the name in quotation marks (“ ”). All files are placed in a file named jdhcpd in the directory /var/log. If you include the file statement, you must specify a filename.
files number—(Optional) Maximum number of trace files. When a trace file named trace-file reaches its maximum size, it is renamed trace-file.0, then trace-file.1, and so on, until the maximum number of trace files is reached. Then the oldest trace 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.
flag flag—Tracing operation to perform. To specify more than one tracing operation, include multiple flag statements. You can include the following flags:
match regex—(Optional) Refine the output to include lines that contain the regular expression.
size size—(Optional) 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 file again reaches its maximum size, trace-file.0 is renamed trace-file.1 and trace-file is renamed trace-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 filename.
world-readable—(Optional) Enable unrestricted file access.
The remaining statements are explained separately.

Usage Guidelines

See Configuring the Extended DHCP Relay Agent.

Required Privilege Level

interface—To view this statement in the configuration.

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

traceoptions (Port Mirroring and Traffic Sampling)

Syntax



traceoptions {



file filename {

files number;
size bytes;
(world-readable | no-world-readable);
}


}

Hierarchy Level



[edit forwarding-options port-mirroring],
[edit forwarding-options sampling ]

Release Information

Statement introduced before JUNOS Release 7.4.

Description

Configure traffic sampling tracing operations.

The statements are explained separately.

Usage Guidelines

See Tracing Traffic Sampling Operations.

Required Privilege Level

interface—To view this statement in the configuration.

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

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