SNMP 147
ID: um_t2gateway CP560 DVB-T2 Gateway User’s Manual Rev. 2.2 (3686)
9.5 Alarm/status related SNMP TRAPs
All TRAP messages are defined in VIGW-UNIT-MIB. This section describes each trap message.
9.5.1 The main trap messages
The main (SNMPv2) trap messages are defined under the unitNotifications node in VIGW-
UNIT-MIB. The messages are described briefly in
Table 9.1.
Table 9.1 List of SNMPv2 traps
unitAlarmStatusChanged This trap is sent when the top level unit alarm status (indicated by the
unitAlarmStatus variable) changes. The trap indicates both the old and new alarm
level. Transmission of this trap type can be enabled/disabled through configuration.
unitAlarmAsserted This trap is sent when an internal alarm is raised. No subid3 information is
included. A corresponding unitAlarmCleared trap is sent when the alarm cause is
cleared.
unitAlarmCleared This trap is sent when an alarm condition previously indicated with
unitAlarmAsserted is cleared.
unitAlarmEvent This trap is sent when an alarm event (with no on/off state) is generated. No
corresponding “cleared” message is expected for these traps. A typical example is an
event like “User logged in”.
unitDetailedAlarmAsserted This trap is a more detailed version of unitAlarmAsserted. subid3 information is
included in addition to the basic parameters defined in unitAlarmAsserted.
unitDetailedAlarmCleared This trap is sent when an alarm condition previously indicated with
unitDetailedAlarmAsserted is cleared.
unitDetailedAlarmEvent This is a more detailed version of unitAlarmEvent. subid3 information is included
in addition to the basic parameters defined in unitAlarmEvent.
9.5.2 Severity indications
All alarm event traps (i.e. all traps defined in Table 9.1 except unitAlarmStatusChanged)
contain a severity field which is encoded according to the definition below:
Severity Description
1 Cleared
2 Indeterminate
3 Warning
4 Minor
5 Major
6 Critical
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