Chapter 15
Monitoring FPCs
You monitor and maintain Flexible PIC Concentrators (FPCs) to connect Physical
Interface Cards (PICs) to the rest of the router so that incoming packets are forwarded across the midplane to the appropriate destination ports. (See Table 44.)
Table 44: Checklist for Monitoring FPCs
Monitor FPC Tasks
Understanding FPCs on page 164
Command or Action
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FPC Numbering on page 165
Checking the FPC Status on page 166
1. Check FPC Status and Utilization on page 166
2. Check FPC Status and Uptime on page 167 show chassis fpc show chassis fpc detail fpc-slot
3. (M40e, M160, M320, and T320 routers and T640 routing node only) Check FPC Status and Temperature on page 167 show chassis environment fpc fpc-slot
4. Check the FPC LED States on page 168 show chassis craft-interface
Or, physically check the FPC LEDs on the Front Panel Module
(FPM).
Checking for FPC Alarms on page 169
1. Display the Current FPC Alarms on page 169
1. Document Events Prior to the FPC Failure on page 173
2. Check the FPC Installation on page 173 show chassis alarms
2. Display FPC Error Messages in the System Log File on page 170 show log messages | match “fpc| kernel | tnp”
3. Display FPC Error Messages in the Chassis Daemon Log File on page 171 show log chassisd | match fpc
Verifying FPC Failure on page 173
Document a software upgrade, hardware upgrade, or reset .
Check that the FPC is seated in the slot.
Try to bring the FPC online.
3. Check the FPC Fuses on page 174 The fuses for the and FPCs are located in the rear of the midplane behind the power supply in slot PEM0 .
4. Take the FPC Offline on page 175
5. Perform an FPC Swap Test on page 176
Press the offline button for approximately 3 seconds.
Replace the FPC with one that you know works.
6. Display the FPC Software Version Information on page 176 show version brief
7. Display the FPC Hardware Information on page 177 show chassis hardware
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