Appendix; Reliability, Availability, And Serviceability; Diagnostics - Cisco MGX 8850 (PXM1E/PXM45) Configuration Manual

Reliability, Availability, and Serviceability

Both the PXM45 and the PXM1E support the following reliability, availability, and serviceability (RAS)
features:
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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:
Observe card alarms.
Step 1
MGX8850.7.PXM.a>dspndalms
Step 2 Observe hardware or diagnostic alarms and slot numbers
MGX8850.7.PXM.a>dspcdalms
If there are hardware alarms, change card to appropriate slot .
Step 3
MGX8850.7.PXM.a>cc slot
Display alarms to identify the device.
Step 4
MGX8850.7.PXM.a>dsphwalms
Display errors on device.
Step 5
MGX8850.7.PXM.a>dspdeverr device
If there are diagnostic alarms, change card to appropriate slot
Step 6
MGX8850.7.PXM.a>cc slot
Step 7 Display diagnostics results.
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004
Power On Self Test (POST)
Hardware Monitoring Module (HMM)
Online diagnostics
Offline diagnostics
Enhanced alarm reporting
Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
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