Troubleshooting M120 FPCs and CFPCs
Problem
The FPCs or CFPCs are not functioning normally.
Solution
As soon as an FPC (or CFPC) is seated in an operating router, the Routing Engine downloads the FPC software to it under two conditions: the FPC is present when the Routing Engine boots the Junos OS, and the FPC is installed and requested online through the CLI or push button on the front panel. The FPC then runs diagnostics and enables the PICs housed on it. During this time, the green LED labeled STATUS above the FPC on the craft interface blinks. When the FPC is online and functioning normally, the STATUS LED lights steadily.
To troubleshoot the FPCs:
- Make sure the FPC is properly seated in the midplane. Check that each ejector handle has been turned clockwise and is tight.
- Issue the show chassis fpc command to check the
status of installed FPCs. As shown in the sample output, the value Online in the column labeled State indicates that the
FPC is functioning normally:
user@host> show chassis fpcTemp CPU Utilization (%) Memory Utilization (%) Slot State (C) Total Interrupt DRAM (MB) Heap Buffer 0 Empty 1 Empty 2 Online 39 1 0 128 1 59 3 Online 41 0 0 128 1 59 4 Online 43 0 0 128 1 58 5 Online 39 0 0 128 3 59
For more detailed output, add the detail option. The following example also specifies a slot number (2), which is optional:
user@host> show chassis fpc detail 2State Online Temperature 39 degrees C / 102 degrees F Total CPU DRAM 128 MB Start time 2006-05-02 08:53:29 PDT Uptime 1 hour, 51 minutes, 57 seconds
For further description of the output from the commands, see the Junos System Basics Configuration Guide.
