Troubleshooting guide

9-8
Cisco Broadband Local Integrated Services Solution Troubleshooting Guide
OL-5169-01
Chapter 9 Troubleshooting Cisco Media Gateways
Troubleshooting Alarms
“Offline” Diagnostics Task is Taking Too Long to Complete or is Hung
The offline diagnostics task is designed with different levels of coverage. The table below shows the
types of coverages and the expected time for completion.
It is possible that a hardware failure could cause an exception on the diagnostic tasks. The offline
diagnostics test will attempt to recover from any test failure. In all other cases the abortofflinediag
command can be used to reset the standby card where the offline diagnostics are running.
Troubleshooting Alarms
The MGX 8850 switch displays alarm information on the PXM45, AXSM, and RPM cards, and it stores
information on these cards inside the switch. This chapter describes how to interpret the alarm LEDs on
the switch and how to obtain alarm reports through the CLI.
Viewing and Responding to Alarms
The PXM45, AXSM, and RPM cards have LEDs for viewing alarm status and switches for responding
to alarms. The following sections describe these controls.
PXM45 Card Controls
Table 9-2 describes the LEDs and switches available on the front of the PXM45 card. Figure 9-4 shows
these controls.
Note Although there are LEDs for critical, major, and minor alarms on the PXM45, only one of these LEDs
is set to on when multiple alarms are active. The switch always displays the status of the most severe
alarm. Critical alarms are the most severe, and minor alarms are the least severe. For example if there
were 2 major alarms and 10 minor alarms, the switch would set the major alarm LED to on.
Table 9-1 Offline Diagnosis Types of Coverage
Type of Coverage Completion Time
Light 5 minutes
Medium 30 minutes
Full 2 hours +
Table 9-2 LED Indicators for PXM45
LED Label Color Meaning
CNTRLR Port
(Controller Port)
Green The Controller port is active.
Red Major alarm on the controller port.
Yellow Minor alarm on the controller port.
None No light indicates the port has not been activated (upped).