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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Chapter 5 Troubleshooting the Installation
Troubleshooting the Switch Fabric
Router#show controllers fia
Fabric configuration: Full bandwidth, redundant fabric
Master Scheduler: Slot 17 Backup Scheduler: Slot 16
From Fabric FIA Errors
-----------------------
redund fifo parity 0 redund overflow 0 cell drops 0
crc32 lkup parity 0 cell parity 0 crc32 0
Switch cards present 0x001F Slots 16 17 18 19 20
Switch cards monitored 0x001F Slots 16 17 18 19 20
Slot: 16 17 18 19 20
Name: csc0 csc1 sfc0 sfc1 sfc2
-------- -------- -------- -------- --------
los 0 0 0 0 0
state Off Off Off Off Off
crc16 0 0 0 1345 0
To Fabric FIA Errors
-----------------------
sca not pres 0 req error 0 uni FIFO overflow 0
grant parity 0 multi req 0 uni FIFO undrflow 0
cntrl parity 0 uni req 0 crc32 lkup parity 0
multi FIFO 0 empty dst req 0 handshake error 0
cell parity 0
In the example output below, you can see the status of the line card in slot 2. The
crc16 data line is underlined and is showing errors from sfc1.
Router#attach 2
Entering Console for 4 port ATM Over SONET OC-3c/STM-1 in Slot: 2
Type "exit" to end this session
Press RETURN to get started!
LC-Slot2>
LC-Slot2>enable
LC-Slot2#show controllers fia
From Fabric FIA Errors
-----------------------
redund FIFO parity 0 redund overflow 0 cell drops 0
crc32 lkup parity 0 cell parity 0 crc32 0
Switch cards present 0x001F Slots 16 17 18 19 20
Switch cards monitored 0x001F Slots 16 17 18 19 20
Slot: 16 17 18 19 20
Name: csc0 csc1 sfc0 sfc1 sfc2
-------- -------- -------- -------- --------
Los 0 0 0 0 0
state Off Off Off Off Off
crc16 0 0 0 1345 0