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Appendix B
Troubleshooting
Determining the MWAM Cisco IOS Image Name
To determine the MWAM Cisco IOS image name, execute the following command at the Cisco
Supervisor 2 (see the
show cdp entry *
You can also execute the following command at the Supervisor to determine the MWAM Cisco IOS
image name:
session slot x processor [2-6]
Then issue the following command:
show version
You can also enter the following command from the privileged EXEC mode (also available through
show images at the processor complex):
show version
Verifying the MWAM Configuration
To determine the MWAM configuration, see the
page
DIMM Issue
The following shows a possible DIMM issue (CSCin29212) that may be solved by re-inserting the
DIMM memory:
*** Cache Error Exception***
Cache Err Reg = 0x14001f20
instruction reference, primary cache, , tag field error, error on internal request on
SysAD Bus,
PC = 0x800fb5d4, Cause Reg = 0x20008068, Status Reg = 0x400005
%MWAM-0-CORRECTABLE_ECC_ERR: A correctable ECC error has occurred,
A_BUS-L2_ERRORS: 0x0, A_BU
A-MEMIO-ERRORS: 0xFF, A_SCD_BUS_ERR_STATUS: 0x80DC0000
RRECTABLE_ECC_ERR: A correctable ECC error has occurred.
MWAM Performance Tuning
You can improve system performance (by 6 to 12 percent depending on the traffic type) by turning off
VLAN accounting:
Router# configure terminal
Router(config)# no vlan accounting
Router#
OL-7469-04
"Software Description" section on page 1-7
6-14.
for more details):
"Verifying the MWAM Configuration" section on
Multiprocessor WAN Application Module User Guide
MWAM Problem Solving
B-5