Specifications

24
Cisco 12010, Cisco 12410, and Cisco 12810 Router Clock and Scheduler, Switch Fabric, and Alarm Card Replacement Instructions
OL-13810-01
Troubleshooting the Switch Fabric
In the sample 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. Remember to use the attach command (not the execute-on
command) to access the line cards.
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
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
LC-Slot2#exit
Disconnecting from slot 2.
Connection Duration: 00:00:21
Router#
After you gather the show controllers fia command data from the RPs and line cards, you can create a
table similar to Table 3.
Table 3 Error Data Collection Table
Card Slot CSC 0 CSC 1 SFC 0 SFC 1 SFC 2 SFC 3 SFC 4
0ERROR
1
2ERROR
3ERROR
4
5ERROR
6
7ERROR
8