Junos OS Interfaces Command Reference - Juniper Networks

show interfaces diagnostics optics (Gigabit Ethernet, 10-Gigabit Ethernet, and 100
Gigabit Ethernet)
Syntax show interfaces diagnostics optics interface-name
Release Information Command introduced before Junos OS Release 7.4.
Description (M120, M320, MX Series, T320, T640, and T1600 routers only) Display diagnostics data,
warnings, and alarms for Gigabit Ethernet, 10-Gigabit Ethernet, and 100 Gigabit Ethernet
interfaces.
Options interface-name—Interface name: ge-fpc/pic/port or xe-fpc/pic/port.
Additional Information The transceivers are polled in 1-second intervals for diagnostics data, warnings, and
Required Privilege
Level
alarms. The alarms do not cause the links to go down or the LEDs to change color, nor
generate SNMP traps. Changes in alarm and warning status will generate system log
messages.
Thresholds that trigger a high alarm, low alarm, high warning, or low warning are set by
the transceiver vendors. Generally, a high alarm or low alarm indicates that the optics
module is not operating properly. This information can be used to diagnose why a device
is not working.
view
NOTE: Some transceivers do not support all optical diagnostics features
described in the output fields.
The show interfaces diagnostics optics command for optical interfaces does
not report the decibel (dBm) value of the received signal if the received power
is zero milliwatts (0.0000 mW).
List of Sample Output show interfaces diagnostics optics (DWDM and DWDM OTN) on page 273
show interfaces diagnostics optics (Bidirectional SFP) on page 274
show interfaces diagnostics optics (SFP) on page 274
show interfaces diagnostics optics (SFP) on page 275
show interfaces diagnostics optics (XFP and CFP Optics) on page 276
Output Fields Table 35 on page 262 lists the output fields for the show interfaces diagnostics optics
Copyright © 2012, Juniper Networks, Inc.
command for DWDM and DWDM OTN PICs. Output fields are listed in the approximate
order in which they appear.
Chapter 4: Ethernet Interface Operational Mode Commands
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