Maintaining T640 FPCs
Purpose
For optimum router performance, verify the condition of the FPCs. The router can have up to eight FPCs mounted vertically in the FPC card cage at the front of the chassis.
Action
On a regular basis:
- Check the LCD on the craft interface and the LEDs on the craft interface directly above each FPC slot. The green LED labeled OK lights steadily when an FPC is functioning normally.
- Issue the CLI 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 Online 23 2 0 256 12 49 1 Online 26 5 0 256 21 49 2 Online 31 5 0 1024 6 49 3 Online 31 8 0 1024 6 49 4 Online 26 26 0 1024 4 49 5 Online 25 2 0 256 12 49 6 Online 23 1 0 256 12 49 7 EmptyFor more detailed output, add the detail option. The following example also specifies a slot number (0), which is optional:
user@host> show chassis fpc detail 0Slot 0 information: State Online Temperature 23 degrees C / 73 degrees F Total CPU DRAM 256 MB Total SRAM 36 MB Total SDRAM 640 MB Start time 2008-12-12 11:02:43 PST Uptime 5 hours, 18 minutes, 51 seconds
For further description of the output from the commands, see the Junos System Basics and Services Command Reference.
