This article provides information on how to deploy the PFE JBF image on a MPC.

To upgrade the JBF image, perform the following procedure:

1. FTP or SFTP the .jbf image to the router.
2. Copy the abc.jbf  file to the /usr/share/pfe location on the primary routing-engine, as well as the backup routing-engine.
3. Ensure that the file is copied to the following directory and the md5 matches the following value, as shown below:

   root@router-re0% ls
   adpc.jbf asp.jbf ds3xl.fpga iq2-loader.jbf iq2e.jbf lsq-sg.jbf
   monitor.jbf mpsdk.jbf npc.jbf sdpc.jbf
   asp-sg.jbf clp.jbf ds3xla.fpga iq2.jbf lsq-sdpc.jbf lsq.jbf
   mop.jbf abc.jbf dpc-xlr.jb
   root@cheetah-re0% md5 abc.jbf
   MD5 (abc.jbf) = fb73bdaaec2bfef9b94df6a6fbcfa46d
   

4.  Configure the following configuration under [edit chassis] for each slot to point to the new image and commit the configuration:

   user@router# show
   images {
       fpc {
           slot 0 {
               file abc.jbf ;
           }
       } 
   }
   

   Configure the above configuration by using the following command:

   [edit]
   user@router# set chassis images fpc slot X file abc.jbf, X == FPC slot number
   

5. Check the Next Boot String to ensure that it points to the new .jbf file in the output of show boot on the MPC:

   NPC3(router-re0 vty)# show boot
   Boot String: boot -X 0 1 npc.jbf
   Boot File : npc.jbf
   Next Boot String: boot -X 0 1 abc.jbf
   NPC0(router-re0 vty)# sh ver
   Juniper Embedded Microkernel Version 10.2S6.3
   Built by builder on 2011-01-22 20:34:18 UTC
   Copyright (C) 1998-2011, Juniper Networks, Inc.
   All rights reserved.
   NPC platform (1067Mhz MPC 8548 processor, 2048MB memory, 512KB flash)
   Current time : Nov 8 22:39:37.947683
   Elapsed time : 0+00:18:39
   

6. Reboot all the MPCs by using the following command:

   user@router>request chassis fpc slot X restart

   Where X is the FPC slot number.
7. When the MPC reboots and comes up, check the Boot File name in the output of the MPC’s show version :
    
   1. Check the uptime of the MPC:

      NPC0(router-re0 vty)# show ver
      Juniper Embedded Microkernel Version 10.2I1
      Built by boonmark on 2011-11-08 22:04:16 UTC
      Copyright (C) 1998-2011, Juniper Networks, Inc.
      All rights reserved.
      NPC platform (1067Mhz MPC 8548 processor, 2048MB memory, 512KB flash)
      Current time : Nov 8 22:43:02.431983
      Elapsed time : 0+00:02:13
      

   2. Check the Boot String by using the show boot command on the MPC:

      NPC3(router-re0 vty)# show boot
      Boot String: boot -X 0 1 abc.jbf
      Boot File : abc.jbf
      Next Boot String: boot -X 0 1 abc.jbf
      

2022-02-25: Fixed a typo in step 2: abc.jpg to abc.jbf