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Chassis

  • Platform software resiliency support (QFX5130-48C)—Starting in Junos OS Evolved Release 23.4R2, platform software resiliency support is provided for QFX5130-48C, that includes:
    • CPU
    • Field replaceable units (FRUs)
    • Memory
    • USB port
    • Management Ethernet ports
    • Field-programmable gate array (FPGA) board
    • Optics panel
    • Fan tray
    • Power supply module

    If a failure is detected on a hardware component, the Junos OS Evolved software:

    • Logs the message with failure details, including time stamp, module name, and component name.
    • Raises or clears alarms, if applicable.
    • Makes the LED glow to indicate FRU fault.
    • Performs local action, such as self-healing and taking the component out of service.
    [See QFX5130 Switch Hardware Guide and Chassis-Level User Guide. ]
  • Platform Software support for Routing Engine RE-QFX5130-48C (QFX5130-48C)— Starting in Junos OS Evolved Release 23.4R2, platform software support is provided for Routing Engine RE-QFX5130-48C on QFX5130-48C. [See Chassis-Level User Guide. ]

  • Port speed support (QFX5130E-32CD)—Starting in Junos OS Evolved Release 23.4R2, you can configure 10-Gbps, 25-Gbps, 40-Gbps, or 100-Gbps port speed on QFX5130E-32CD switches.

    [See speed.]

  • Chassis management for FEB QFX5700E-FEB (QFX5700)— Starting in Junos OS Evolved Release 23.4R2, you can use the following commands to manage the new Forwarding Engine Board QFX5700E-FEB and view information about the FEB:

    • request chassis feb slot slot-number (offline | online | restart) to offline, online, or restart the specified FEB

    • show chassis feb and show chassis environment feb commands to display FEB status information

    [See request chassis feb, show chassis feb, show chassis environment]

  • Optics EM policy support (QFX5230-64CD)—Starting in Junos OS Evolved Release 23.4R2, we have extended the Junos Environment Monitoring (EM) policy to include optics temperature sensors for QFX5230-64CD switches. It includes the following features:

    • The Optics EM policy incorporates periodically polled temperature readings of optical modules in the system to automatically manage the fan speed.

    • 100GbE and 400GbE optics firmware automatically triggers optics shutdown when the high-temperature threshold is breached.

    • EM policy is enabled by default on all 100GbE and 400GbE optics interfaces, except for loopback optics and direct attach copper (DAC) cables.

    You can use the set chassis fpc fpc_slot pic pic_slot port port_no no-temperature-monitoring command to explicitly disable the EM policy on specific WAN ports. Use the show chassis environment command to view the optics temperature.

    [ See temperature-sensor.]