4.5 HealthCheck

Use this Knowledge Script to monitor the state of the Call Server, Signaling Server, Media Gateway Controller (MGC), Voice Gateway Media Card (VGMC), MC32S (a 32-channel VGMC), Enterprise Common Manager (ECM), Network Routing Server (NRS), and SIP Gateway (SIPL). This script raises an event if a device is not responsive or is in an abnormal state. In addition, this script generates data streams for device availability or state.

4.5.1 Resource Objects

NortelCS Call Server

NortelCS Signaling Server

NortelCS VGMC

NortelCS Media Gateway Controller

NortelCS MC32S

NortelCS Network Routing Server

NortelCS Enterprise Common Manager

NortelCS SIPL

4.5.2 Default Schedule

By default, this script runs every five minutes.

4.5.3 Setting Parameter Values

Set the following parameters as needed:

Parameter

How to Set It

Event Notification

Raise event if health check fails?

Select Yes to raise an event when the selected device is unresponsive or in an abnormal state. The default is Yes.

Event severity if health check failed

Set the severity level, between 1 and 40, to indicate the importance of an event raised when the selected device is unresponsive or in an abnormal state. The default is 15.

Collect data?

Select Yes to collect availability data for reports and graphs. 100 indicates the device is available. 0 indicates the device is in any state that is not normal, or there is no response to SNMP.

The default is unselected.

4.5.4 Understanding Event Messages

The following are two common error messages, accompanied by an explanation, a likely cause, and any operator action that may be needed.

<Device> unresponsive to SNMP:<IP address>

Explanation: The Call Server, MGC, Signaling Server, VGMC, MC32S, ECM, NRS, or SIPL is not responding to SNMP.

Likely cause: Normal message when item is unresponsive.

Operator action: Restart the device.

<Device> in abnormal state:IP address>

Explanation: The Call Server, MGC, Signaling Server, VGMC, MC32S, ECM, or NRS is not running in the proper state.

Likely cause: Normal message when state is abnormal.

Operator action: Change the state of the device.