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3.2.2
GW Connection Alarm
Textual Description
SNMP OID
AlarmTitle
ItuAlarmType
AlarmSource
Probable Cause
Severity
Additional Info
Corrective Action
Media Gateways
Performance Monitoring and Alarms
GW Connection Alarm
Originated by the EMS when an SNMP Timeout occurs for the first time
in the Media Gateway
acEMSNodeConnectionLostAlarm - 1.3.6.1.4.1.5003.9.20.3.2.0.3
GW Connection Alarm
Communications Alarm
Media Gateway
Communications Subsystem Failure
Critical
-
Communication problem: Try to ping the gateway to check if there is
network communication.
•
Default gateway alive: Open the network screen. Check the default
gateway IP address and ping it.
•
SNMP Community Strings: Verify that the community string defined
in the EMS for the gateway matchs the actual gateway community
strings. To check the community string, right-click on the gateway,
select the 'Details' menu. Default community strings: read = public,
write = private.
•
Hardware Problem: Check that the gateway is alive according to the
LEDs. Verify that network and power cables are in place and
plugged in.
All the gateways managed by the EMS
76
Mediant 3000 with TP-6310
Document #: LTRT-32111
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