Monitoring PICs

You monitor and maintain Physical Interface Cards (PICs) to ensure that they receive incoming packets from the network and transmit outgoing packets to the network. (See Table 48.)

Table 48: Checklist for Monitoring PICs

Monitor PIC Tasks	Command or Action
Understanding PICs PIC Location, Row, and Slot Numbering
Checking the PIC Status
Display the PIC Media Type and FPC Status	show chassis fpc pic-status show chassis pic pic-slot # fpc-slot #
Display the PIC Interface Status Information	show interfaces terse
Check the PIC LED States	Check the PIC port LEDs.
Checking PIC Alarms
Check Current Chassis Alarms	show chassis alarms show chassis craft-interface
Display Error Messages in the System Log File	show log messages | match PIC
Verifying PIC Failure
Perform a PIC Swap Test	Replace the PIC with one that you know works, then use the show chassis fpc pic-status command.
Display PIC Hardware Information	show chassis hardware
Locate the PIC Serial Number ID Label	Look on the right side of the top of the PIC if horizontally oriented. Look on the left side of the PIC if vertically oriented.
Replacing a PIC	See Return the Failed Component. Follow the procedure in the appropriate router hardware guide. See also the appropriate PIC guide.