Monitor Interface - Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual

monitor interface

Syntax
Release Information
Description
Options
Additional Information
Copyright © 2010, Juniper Networks, Inc.
monitor interface
<interface-name | traffic <detail>>
Command introduced before Junos OS Release 7.4.
Command introduced in Junos OS Release 9.0 for EX Series switches.
Display real-time statistics about interfaces, updating the statistics every second. Check
for and display common interface failures, such as SONET/SDH and T3 alarms, loopbacks
detected, and increases in framing errors.
—Display real-time statistics for all interfaces.
none
interface-name —(Optional) Display real-time statistics for the specified interface.
—(Optional) Display traffic data for all active interfaces.
traffic
detail —(Optional) With traffic option only, display detailed output.
The output of this command shows how much each field has changed since you started
the command or since you cleared the counters by using the c key. For a description of
the statistical information provided in the output of this command, see the
extensive command for a particular interface type in the Junos OS Interfaces Command
Reference. To control the output of the
it is running, use the keys listed in Table 209 on page 1431. The keys are not case-sensitive.
Table 209: Output Control Keys for the monitor interface interface-name
Command
Key Action
c Clears (returns to zero) the delta counters since
does not clear the accumulative counter. To clear the accumulative counter, use
the
clear interfaces interval
f Freezes the display, halting the display of updated statistics and delta counters.
i Displays information about a different interface. The command prompts you for the
name of a specific interface.
n Displays information about the next interface. The
displays the physical or logical interfaces in the same order as the
command.
terse
q or Esc Quits the command and returns to the command prompt.
t Thaws the display, resuming the update of the statistics and delta counters.
To control the output of the
the keys listed in Table 210 on page 1432. The keys are not case-sensitive.
Chapter 62: Operational Commands for Interfaces
monitor interface interface-name
command.
command while it is running, use
monitor interface traffic
show interfaces
command while
was started. This
monitor interface
command
monitor interface
show interfaces
1431