5.6.5 Simple Network Management Protocol (SNMP) System
Monitor
Description
It
is possible for a PC assigned as an SNMP manager to manage and receive PBX system status information,
such as alarm information and general system activity using SNMP. Management Information Bases (MIBs)
are sent to a PC (i.e., the SNMP manager) connected to the PBX over a LAN and can then be stored and
analysed using SNMP manager software.
The two features for managing information using SNMP are as follows:
– Polling:
A bilateral transaction of information. Polling allows the manager to request information from the PBX.
PC
Response
Request
PBX
Manager
– TRAP:
An automatic relay of information from the PBX when a status change occurs or an alarm is detected.
PBX
PC
Sends Information
Manager
TRAP Implementation
The PBX will send the two types of TRAP as follows:
Type TRAP Name Description
Standard TRAP coldStart Information is sent after turning on the power of the PBX
or resetting the PBX.
Authentication Failure Information is sent when an unregistered Community
Name and/or Manager IP address is entered.
Enterprise Specific
TRAP
*1
Major Alarm Information is sent when a major alarm is detected.
Minor Alarm Information is sent when a minor alarm is detected.
*1
Enterprise Specific TRAPs contain information exclusive to the PBX model
(Enterprise Specific MIB).
Conditions
• Through system programming, it is possible to enable or disable this feature.
556 Feature Guide
5.6.5 Simple Network Management Protocol (SNMP) System Monitor
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