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Maintaining Hardware Com ponents
Maintaining SFMs on page 136
Maintaining FPCs
The router can have up to eight Flexible PIC Concentrators (FPCs) mounted
vertically in the FPC card cage at the front of the chassis, as shown in Figure 1.
To maintain FPCs, perform the following p rocedures regularly:
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. For more information, see “FPC L EDs and
Offline Button” on page 31.
Issue the CLI show chassis fpc command to check the status of installed FPCs.
Asshowninthesampleoutput,thevalue
Online in the column labeled State
indicates that the FPC is functioning normally:
user@host> show chassis fpc
Temp CPU Utilization (%) Memory Utilization (%)
Slot State (C) Total Interrupt DRAM (MB) Heap Buffer
0 Online 37 4 0 32 1 39
1 Online 39 4 0 32 1 39
2 Empty
3 Online 34 1 0 32 1 40
4 Empty
5 Online 35 4 0 32 2 40
6 Online 36 4 0 32 1 39
7 Empty
For 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 0
Slot 0 information:
State Online
Temperature 37 degreesC/98degrees F
Total CPU DRAM 32 MB
Total SRAM 4 MB
Total SDRAM 256 MB
I/O Manager ASIC information Version 2.0, Foundry IBM, Part number 0
I/O Manager ASIC information Version 2.0, Foundry IBM, Part number 0
I/O Manager ASIC information Version 2.0, Foundry IBM, Part number 0
I/O Manager ASIC information Version 2.0, Foundry IBM, Part number 0
Start time: 2003-04-29 16:11:55 PDT
Uptime: 5 days, 21 hours, 32 minutes, 41 seconds
For further description of the output from the commands, see the JUNOS
Internet Software Operational Mode Command Reference: Protocols, Class of
Service, Chassis, and Management.
Maintaining Packet Forwarding Engine Components 133