Cisco Systems OL-7469-04 appendix Determining the Mwam Cisco IOS Image Name, Dimm Issue

Appendix B Troubleshooting

MWAM Problem Solving

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 “Software Description” section on page 1-7for more details):

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 “Verifying the MWAM Configuration” section on page 6-14.

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#

Multiprocessor WAN Application Module User Guide

OL-7469-04 B-5