G-1
Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004
APPENDIX
G
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
Step 7 Display diagnostics results.
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