SS7 CAF ECM Goes Down

Call Session Control Function

1 Alarm Description

This is an alarm of severity MINOR.

This alarm is issued when ECM detects a failure that it is unable to recover from.

Table 1 SS7 CAF ECM Goes Down Alarm Causes
Alarm Cause	Description	Fault Reason	Fault Location	Impact
ECM has run out of memory. ECM has used all its message buffers for sending of internal messages. ECM has detected corrupt internal data structures.	ECM detected a failure that it is unable to recover from.	Running out of memory Corrupted data structure	Internal cluster network	The ECM process is shut down immediately. The ECM process is automatically restarted by the SS7 CAF AMF process. If the alarm is raised more than 5 times in 5 minutes or is persistent for 5 minutes, follow the procedure in Section 2.

Table 2 SS7 CAF ECM Goes Down Alarm Attributes
Attribute Name	Attribute Value
Major Type	`193`
Minor Type	`1586561538`
Managed Object Class	Not Applicable
Source	`3GPPSystemComponents.Name=<>,Ecm.Name=<>,Host.Address=<*>`
Specific Problem	`ECM Goes Down`
Perceived Severity	`SEVERITY_MINOR`

2 Procedure

2.1 Handle Alarm ECM Goes Down

Prerequisites

No documents are referenced.
No tools are required.
The following condition must apply:
- The alarm is raised multiple times.

Steps

Collect the ss7trace.log located in /opt/sign/log.
Also collect the current configuration which is located in the folder /opt/sign/etc. Collect the file ecm.log and active.om.cim and all the files with the extension *.cnf.
Contact next level of support and provide the files collected in Step 1.