! 163
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 Command or Action
Understanding FPCs on page 164
! FPC Numbering on page 165
Checking the FPC Status on page 166
1. Check FPC Status and Utilization on page 166 show chassis fpc
2. Check FPC Status and Uptime on page 167 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 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
1. Document Events Prior to the FPC Failure on page 173 Document a software upgrade, hardware upgrade, or reset.
2. Check the FPC Installation on page 173 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 Press the offline button for approximately 3 seconds.
5. Perform an FPC Swap Test on page 176 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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