! 325
Chapter 24
Monitoring the SIBs
You monitor the Switch Interface Boards (SIBs) that provide the switching function
to the destination Flexible PIC Concentrator (FPC). The SIBs create the switch fabric
for the routing platforms, providing up to a total of 640 million packets per second
(Mpps) of forwarding. (See Table 78.)
Table 78: Checklist for Monitoring the SIBs
Monitor SIB Tasks Command or Action
Understanding the SIBs on page 326
! M320 Router, T320 Router, and T640 Routing Node SIB Location on page 328
! M320 Router SIBs on page 329
! T320 Router SIBs on page 329
! T640 Routing Node SIBs on page 329
Monitoring the SIB Status on page 329
1. Display the SIB Summary Status on page 330 show chassis sibs
2. Display the SIB LED Status at the Command Line on
page 330
show chassis craft-interface
3. Check the SIB LED Status on the Faceplate on page 330 Check the SIB faceplate at the back of the T320 router and the
T640 routing node chassis.
4. Display the SIB Environmental Status on page 331
show chassis environment
show chassis environment sib slot
Displaying SIB Alarms on page 332
1. Display Current SIB Alarms on page 332
show chassis alarms
2. Display SIB Error Messages in the System Log File on
page 333
show log messages| match sib
3. Display SIB Error Messages in the Chassis Daemon Log File
on page 333
show log chassisd | match sib
Verifying SIB Failure on page 334
1. Check the SIB Connection on page 334 1. Make sure that the SIB is properly seated in the midplane.
2. Ensure that none of the pins are bent.
3. Check the thumbscrews on the ejector locking tabs.
2. Check the SIB Fuses on page 334 The fuses for the SIBs are located in the rear of the midplane
behind the power supply in slot
PEM0.
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