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Alarm Management

NR Alarms

The following table alphabetically lists Not Reported (NR) alarms.

Table 4: NR Alarms List

LICENSE-COMM-FAIL (NR)

Trouble Characterizations

The OTN system reports trouble by utilizing standard alarm and condition characteristics, standard severities,

and graphical user interface (GUI) state indicators. These notifications are described in the following paragraphs.

The system reports trouble notifications as alarms and status or descriptive notifications (if configured to do

so) as conditions in the CTC Alarms window. Alarms typically signify a problem that the user needs to remedy,

such as a loss of signal. Conditions do not necessarily require troubleshooting.

Alarm Characteristics

The OTN system uses standard alarm entities to identify what is causing trouble. All alarms generate due to

hardware and software environment, or operator-originated problems whether or not they affect service.

Current alarms for the network, CTC session, node, or card are listed in the Alarms tab. (In addition, cleared

alarms are also found in the History tab.)

Condition Characteristics

Conditions include any problem detected on OTN. They can include standing or transient notifications. A

snapshot of all current raised, standing conditions on the network, node, or card can be retrieved in the CTC

Conditions window. (In addition, some but not all cleared conditions are also found in the History tab.)

Severity

The OTN system uses standard severities for alarms and conditions: Critical (CR), Major (MJ), Minor (MN),

Not Alarmed (NA), and Not Reported (NR). These are described below:

• A Critical (CR) alarm generally indicates severe, Service-Affecting trouble that needs immediate

• A Major (MJ) alarm is a serious alarm, but the trouble has less impact on the network.

• Minor (MN) alarms generally are those that do not affect service.

• Not Alarmed (NA) conditions are information indicators. They could or could not require troubleshooting,

• Not Reported (NR) conditions occur as a secondary result of another event. These conditions do not in

Severities can be customized for an entire network or for single nodes, from the network level down to the

port level by changing or downloading customized alarm profiles.

Service Effect

Service-Affecting (SA) alarms are those that interrupt service could be Critical (CR), Major (MJ), or Minor

(MN) severity alarms. Service-Affecting (SA) alarms indicate service is affected.

State

LICENSE-OUT-OF-COMPLIANCE (NR)

correction.

as indicated in the entries.

themselves require troubleshooting, but are to be expected in the presence of primary alarms.

Alarms Troubleshooting Guide for Cisco NCS 4000 Series

NR Alarms