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Cisco Unified Communications Manager Managed Services Guide
OL-22523-01
Chapter 6 Cisco Unified Serviceability Alarms and CiscoLog Messages
Critical-Level Alarms
DChannelOOS
The D-channel is out of service. D-channel indicated by this alarm has gone out of service. Common
reasons for a D-channel going out of service include losing T1/E1/BRI cable connectivity; losing the
gateway data link (Layer 2) due to an internal or external problem; or gateway reset.
Facility/Sub-Facility
CCM_CALLMANAGER-CALLMANAGER
Cisco Unified Serviceability Alarm Definition Catalog
CallManager/CallManager
Severity
Critical
Parameters
Channel Id. [UInt] Unique channel Id [String] Device Name. [String] Device IP address [String]
Reason. [Enum]
Enum Definitions
• 0—None Defined
Recommended Action
Check the connection of the T1/E1/BRI cable; reset the gateway to restore Layer 2 connectivity;
investigate whether the gateway reset was intentional. If the reset was not intentional, take steps to
restrict access to the Gateway Configuration window in Cisco Unified Communications Manager
Administration and the gateway terminal.
DUPLEX_MISMATCH
This alarm is generated by Cisco CDP whenever there is a duplex mismatch between local interface and
switch interface.
Facility/Sub-Facility
CCM_CDP/CDP
History
Cisco Unified Communications
Release Action
8.0(1) Severity changed from Error to Critical.
History
Cisco Unified Communications
Release Action
7.1 Added DUPLEX_MISMATCH to the CDPAlarmCatalog.
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