Specifications

G-1

Cisco MGX 8800/8900 Series Software Configuration Guide

Release 5.1, Part Number OL-6482-01, Rev. A0, January 25, 2005

APPENDIX

Reliability, Availability, and Serviceability

Both the PXM45 and the PXM1E support the following reliability, availability, and serviceability (RAS)

features:

• Power On Self Test (POST)

• Hardware Monitoring Module (HMM)

• Online diagnostics

• Offline diagnostics

• Enhanced alarm reporting

The POST and HMM features are transparent to the user. However, the dsppostresults command can be

used to display the POST results. POSTs are a set of tests that run at boot-up time. POSTS cannot be

disabled.

Diagnostics

Diagnostics commands can be used to isolate or troubleshoot problems. The following procedure shows

the steps for identifying problems or failures:

Step 1 Observe card alarms.

MGX8850.7.PXM.a>dspndalms

Step 2 Observe hardware or diagnostic alarms and slot numbers

MGX8850.7.PXM.a>dspcdalms

Step 3 If there are hardware alarms, change card to appropriate slot .

MGX8850.7.PXM.a>cc slot

Step 4 Display alarms to identify the device.

MGX8850.7.PXM.a>dsphwalms

Step 5 Display errors on device.

MGX8850.7.PXM.a>dspdeverr device

Step 6 If there are diagnostic alarms, change card to appropriate slot

MGX8850.7.PXM.a>cc slot