Critical-Level Alarms; Bchanneloos - Cisco MCS-7825-H3-IPC1 Service Manual

Chapter 6 Cisco Unified Serviceability Alarms and CiscoLog Messages

Critical-Level Alarms

The critical-level alarm equals 2 and action may need to be taken immediately; auto-recovery is
expected, but monitor the condition.
This alarm acts similar to the alert-level alarm but not necessarily requiring an immediate action. A
system-affecting service had a failure but recovered without intervention. Examples follow:
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•

BChannelOOS

The B-channel is out of service. The B-channel indicated by this alarm has gone out of service. Some of
the more common reasons for a B-channel to go out of service include are as follows:
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•
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History
Cisco Unified Communications
Release
8.0(1)
Facility/Sub-Facility
CCM_CALLMANAGER-CALLMANAGER
Cisco Unified Serviceability Alarm Definition Catalog
CallManager/CallManager
Severity
Critical
Routing List
SDL
SDI
Sys Log
OL-22523-01
Service crashed due to an error that could not be handled but a watchdog process exists that will
restart the service. The crash does not necessarily require immediate action. Examples are:
– Out of memory conditions
– Uninitialized variables
Memory scribblers
–
Unexpected code error occurred that could not be handled but for which the system automatically
restarts.
Taking the channel out of service intentionally to perform maintenance on either the near- or far-end
MGCP gateway returns an error code 501 or 510 for a MGCP command sent from Cisco Unified
Communications Manager (Cisco Unified CM)
MGCP gateway does not respond to an MGCP command sent by Cisco Unified CM three times
Speed and duplex mismatch exists on the Ethernet port between Cisco Unified CM and the MGCP
gateway.
Action
Changed severity level from Error to Critical.
Cisco Unified Communications Manager Managed Services Guide
Critical-Level Alarms
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