Description

Cameras are working for some days but after some time went down and not recovered and required to be replaced.

Symptoms

The camera works fine for around 5-6 days. The power consumption is right.


user@switch> show poe interface


Interface  Admin    Oper  Pair/Mode Max    Priority    Power     Class

       status   status status   power           consumption

mge-0/0/X  Enabled   ON   SS/BT   25.5W(L)  Low      11.4W     6/-



However, during the issue state, same device is getting less power.


user@switch> show poe interface


Interface  Admin    Oper  Pair/Mode Max    Priority    Power     Class

       status   status status   power           consumption

mge-0/0/X  Enabled   ON   SS/BT   25.5W(L)  Low      10.8W     6/-



Issue is reported on PR1776165.


However, the switch is already running a fixed release.


Hostname: switch

Model: ex4100-48mp

Junos: 23.4R2-S6.6



However, the PoE firmware was not updated.


user@switch> show chassis firmware detail


FPC 0

  PoE firmware      1.3.0.11.0

  Boot Firmware

   U-Boot        1.6

  Boot Firmware

   loader        FreeBSD EFI loader 2.1


Solution

Issue was resolved after upgrading the PoE firmware to 1.3.2.4.0.



Follow those steps to upgrade the POE firmware.

 


  • Run the following command. 

request system firmware upgrade poe fpc-slot all-members

 

 

{master:1}

user@switch> request system firmware upgrade poe fpc-slot all-members

FPC0: Firmware upgrade initiated. Poe Upgrade takes about 10 minutes

Use 'show poe controller' to get the download status,

Please Reboot the system after Upgrade is complete.

FPC1: Firmware upgrade initiated. Poe Upgrade takes about 10 minutes

Use 'show poe controller' to get the download status,

Please Reboot the system after Upgrade is complete.

FPC2: Firmware upgrade initiated. Poe Upgrade takes about 10 minutes

Use 'show poe controller' to get the download status,

Please Reboot the system after Upgrade is complete.

FPC3: Firmware upgrade initiated. Poe Upgrade takes about 10 minutes

Use 'show poe controller' to get the download status,

Please Reboot the system after Upgrade is complete.

FPC4: Firmware upgrade initiated. Poe Upgrade takes about 10 minutes

Use 'show poe controller' to get the download status,

Please Reboot the system after Upgrade is complete.

FPC5: Firmware upgrade initiated. Poe Upgrade takes about 10 minutes

Use 'show poe controller' to get the download status,

Please Reboot the system after Upgrade is complete.

 

 

 

  • Use "show poe controller" to check the progress.

 

{master:1}

user@switch> show poe controller

Controller Maximum Power    Guard  Management Status    Lldp

index   power  consumption band                Priority

  0    740W   0.00W     0W         SW_DOWNLOAD(4%) Disabled

  1    740W   0.00W     0W         SW_DOWNLOAD(3%) Disabled

  2    740W   0.00W     0W         SW_DOWNLOAD(4%) Disabled

  3    740W   0.00W     0W         SW_DOWNLOAD(4%) Disabled

  4    740W   0.00W     0W         SW_DOWNLOAD(4%) Disabled

  5    740W   0.00W     0W         SW_DOWNLOAD(4%) Disabled

{master:1}

user@switch> show poe controller

Controller Maximum Power    Guard  Management Status    Lldp

index   power  consumption band                Priority

  0    740W   0.00W     0W         SW_DOWNLOAD(25%) Disabled

  1    740W   0.00W     0W         SW_DOWNLOAD(24%) Disabled

  2    740W   0.00W     0W         SW_DOWNLOAD(25%) Disabled

  3    740W   0.00W     0W         SW_DOWNLOAD(25%) Disabled

  4    740W   0.00W     0W         SW_DOWNLOAD(25%) Disabled

  5    740W   0.00W     0W         SW_DOWNLOAD(25%) Disabled

 

 

 

  • When completed, the poe firmware should be upgraded to 1.3.2.4.0.

 

{master:1}

user@switch> show poe controller

Controller Maximum Power    Guard  Management Status    Lldp

index   power  consumption band                Priority

  0    740W   0.00W     0W  Class    AT_MODE   Disabled

  1    740W   0.00W     0W  Class    AT_MODE   Disabled

  2    740W   0.00W     0W  Class    AT_MODE   Disabled

  3    740W   0.00W     0W  Class    AT_MODE   Disabled

  4    740W   0.00W     0W  Class    AT_MODE   Disabled

  5    740W   0.00W     0W  Class    AT_MODE   Disabled


{master:1}

user@switch> show chassis firmware detail

FPC 0

  PoE firmware      1.3.2.4.0

  Boot Firmware

   U-Boot       1.6

  Boot Firmware

   loader       FreeBSD EFI loader 2.1

FPC 1

  PoE firmware      1.3.2.4.0

  Boot Firmware

   U-Boot       1.6

  Boot Firmware

   loader       FreeBSD EFI loader 2.1

FPC 2

  PoE firmware      1.3.2.4.0

  Boot Firmware

   U-Boot       1.6

  Boot Firmware

   loader       FreeBSD EFI loader 2.1

FPC 3

  PoE firmware      1.3.2.4.0

  Boot Firmware

   U-Boot       1.6

  Boot Firmware

   loader       FreeBSD EFI loader 2.1

FPC 4

  PoE firmware      1.3.2.4.0

  Boot Firmware

   U-Boot       1.6

  Boot Firmware

   loader       FreeBSD EFI loader 2.1

FPC 5

  PoE firmware      1.3.2.4.0

  Boot Firmware

   U-Boot       1.6

  Boot Firmware

   loader       FreeBSD EFI loader 2.1

 

 

 

  • Finally, reboot all members to complete the process.

request system reboot all-members


Modification History

2026-05-20 : Article Created