Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

 
ON THIS PAGE
 

Upgrading U-Boot, PoE Firmware, eUSB Firmware, and System CPLD for EX4100 Devices

The following sections describe the steps to upgrade U-boot, CPLD, and VC firmware in EX4100.

Upgrading U-Boot

Perform the following steps to upgrade the CPU:

  1. Add jfirmware.
  2. Upgrade U-Boot.

    The system initiates the firmware upgrade.

  3. Check the progress of the upgrade.
  4. Reboot the system if the firmware upgrade is completed successfully.
  5. Check the following command to confirm the U-boot version.

    Before upgrade:

    After upgrade:

Upgrading System CPLD

Perform the following steps to upgrade the system CPLD:

  1. Add jfirmware.
  2. Upgrade system CPLD.
  3. Check the progress of the CPLD upgrade.
  4. (Recommended) Perform a system halt using the following command.
  5. Power cycle the device for the upgrade to take effect.
  6. Use the following commands to confirm the CPLD version.

    Before upgrade:

    After upgrade:

Upgrading PoE Firmware

See Upgrading PoE Firmware.

Upgrading PoE Firmware Using jfirmware

Upgrading PoE Firmware Using jfirmware

See

Upgrading eUSB Firmware

Perform the following steps to upgrade the eUSB firmware:

  1. Add jfirmware.
  2. Upgrade the eUSB firmware.

    Initiates the firmware upgrade.

  3. Check the progress of the upgrade.
  4. Use the following commands to confirm the eUSB version.

    Before upgrade:

    After upgrade:

Upgrading Firmware in Virtual Chassis

Perform the following steps for the firmware upgrade in VC:

  1. Add the jfirmware package in primary.
  2. Upgrade the U-Boot in primary and check the status.
  3. Upgrade the System CPLD in primary and check the status.
  4. Repeat steps 2 and 3 in each member of the VC by logging in to the member. Use the request session member <fpc-slot> to log in.
  5. Power cycle or reboot all the members of the VC. Reboot the members one by one after the upgrade is successful after Step 4 depending on either CPLD or BIOS upgrade.