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Chassis Status LEDs on a QFX5100 Device

The QFX5100 switch series has four status LEDs on the FRU side of the chassis, next to the management ports (see Figure 1).

Figure 1: Chassis Status LEDs on a QFX5100 SwitchChassis Status LEDs on a QFX5100 Switch
  1

Status LEDs

  4

em0–RJ-45 (10/100/1000 Base-T) management Ethernet port (C0)

  2

em1–SFP management Ethernet port (C1)

Cage (socket for either 10/100/1000 Base-T RJ45 SFP or 1GbE fiber SFP)

  5

RJ-45 console port (CON )

  3

Reset button, see caution statement below

  6

USB port

CAUTION:

Do not use the Reset button to restart the power sequence unless under the direction of Juniper Networks Technical Assistance Center (JTAC).

Table 1 describes the chassis status LEDs on a QFX5100 switch, their colors and states, and the status they indicate. You can view the colors of the three LEDs remotely through the CLI by issuing the operational mode command show chassis led.

Table 1: Chassis Status LEDs on a QFX5100 Switch

Name

Color

State

Description

ALM–Alarm or beacon

Unlit

Off

The switch is halted or there is no alarm.

Red

On steadily

A major hardware fault has occurred, such as a temperature alarm or power failure, and the switch has halted. Power off the QFX5100 switch by setting the AC power source outlet to the OFF (O) position, or unplugging the AC power cords. Correct any voltage or site temperature issues, and allow the switch to cool down. Power on the QFX5100 switch and monitor the power supply and fan LEDs to help determine where the error is occurring.

Amber

On steadily

A minor alarm has occurred, such as a software error. Power off the QFX5100 switch by setting the AC power source outlet to the OFF (O) position, or unplugging the AC power cords. Power on the QFX5100 switch and monitor the status LEDs to ensure that Junos OS boots properly.

SYS–System

Unlit

Off

The switch is powered off or halted.

Green

On steadily

Junos OS for QFX Series is loaded on the switch.

Green

Blinking

The switch is participating as:

  • A member in a QFX Virtual Chassis

  • A leaf device in a Virtual Chassis Fabric (VCF)

  • A spine device in a VCF

  • A Routing Engine Primary in a VCF

  • A Routing Engine Backup in a VCF

MST–Primary in a QFX Virtual Chassis or Routing Engine Primary in a VCF

Unlit

Off

The switch is a linecard member in a QFX Virtual Chassis.

Green

On steadily

The switch is one of the following:

  • A standalone switch

  • In the primary role in a QFX Virtual Chassis

  • Is the routing engine primary in a VCF

Green

Blinking

The switch is the backup primary in a QFX Virtual Chassis or the backup routing engine in a VCF.

ID–Identification

Unlit

Off

The beacon feature is not enabled on the switch. This feature is enabled using the request chassis beacon command.

Blue

Blinking

The beacon feature is enabled on the switch. This feature is enabled using the request chassis beacon command.