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Chapter 7
Tracing Interface Operations
Tracing Interface Operations Overview
Related Topics
Tracing Operations of an Individual Router Interface
Tracing Interface Operations Overview on page 247
Tracing Operations of an Individual Router Interface on page 247
Tracing Operations of the Interface Process on page 248
You can trace the operations of individual router interfaces and those of the interface
process (dcd). For a general discussion of tracing and of the precedence of multiple
tracing operations, see the JUNOS System Basics Configuration Guide.
For information about the operations of Virtual Router Resolution Protocol
(VRRP)-enabled interfaces, see the JUNOS High Availability Configuration Guide.
Tracing Operations of an Individual Router Interface on page 247
Tracing Operations of the Interface Process on page 248
To trace the operations of individual router interfaces, include the traceoptions
statement at the [edit interfaces interface-name] hierarchy level:
[edit interfaces interface-name]
traceoptions {
flag flag;
}
You can specify the following interface tracing flags:
—Trace all interface operations.
all
—Trace all interface events.
event
—Trace all interface interprocess communication (IPC) messages.
ipc
—Trace all interface media changes.
media
The interfaces traceoptions statement does not support a trace file. The logging is
done by the kernel, so the tracing information is placed in the system syslog files.
Tracing Interface Operations Overview
247
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