Cisco 12416 Installation And Configuration Manual page 268

Troubleshooting the Switch Fabric
Los
state
crc16
To Fabric FIA Errors
-----------------------
sca not pres 0
grant parity 1
cntrl parity 0
multi fifo
cell parity
The common failure patterns and recommended actions for grant parity and
request errors are as follows (one step at a time until the problem goes away):
1.
2.
If multiple line cards are reporting grant parity or request errors and the router is
Note
still functioning, then a CSC switchover has occurred. The failed CSC is the one
that is currently the backup CSC (not the one listed as Master Scheduler in the
show controllers fia output). If Halted is next to the heading From Fabric FIA
Errors or To Fabric FIA Errors, or if the router is no longer forwarding traffic, then
a CSC switchover has not occurred and the failing CSC is the one listed as Master
Scheduler. By default, the CSC in slot 17 is the primary and the CSC in slot 16 is
the backup.
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
5-34
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Grant errors on more than one line card:
Replace the CSC (see the note below to know which one should be
a.
swapped).
Replace the backplane.
b.
Grant errors on one line card:
Replace the line card.
a.
Replace the CSC (see the note below to know which one should be
b.
swapped).
Replace the backplane.
c.
Chapter 5
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876 876
req error 1
multi req 0
uni req 0
empty DST req 0
Troubleshooting the Installation
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Off
876
uni fifo overflow 0
uni fifo undrflow 0
crc32 lkup parity 0
handshake error
OL-11495-01
0