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Chapter 1 Management Overview 35

Business Communications Manager - Management User Guide

• SNMP network management stations (NMS): A console (server/workstation) through which

the network administrator performs network management activities upon managed objects.

The SNMP network manager server (workstation) is a physical control device equipped with

network management application software that interfaces with the Business Communications

Manager(s) in your network.

• SNMP agents: SNMP agent software interfaces and handles interaction between the device

and the SNMP network manager workstation. SNMP agents are software modules resident in

network elements, in this case the BCM. The SNMP agent collects, stores and retrieves MIB

(management information base) data and forwards the information to the SNMP network

manager server.

• Network elements (managed devices): Hardware components such as computers, routers, and

terminal servers that are connected to networks.

• Managed objects: Hardware, configuration parameters or performance statistics that directly

relate to the operation of a device. Bridges, hubs, routers, or network servers are examples of

managed devices that contain managed objects.

• Management information base (MIB): The MIB is the software that defines the data reported

by the device and the extent of control. A virtual information store that contains a collection of

managed objects.

• Management protocol (SNMP): Used to transport management information between the

agents and console. Simple network management protocol (SNMP) is the standard

management protocol. An SNMP trap is a message format used by the SNMP agent to inform

the NMS of a system event.

Figure 5 illustrates the agent and object relationship in a network and how the system provides

event notification to the SNMP network manager workstation. Data passes from SNMP agents

(hardware/software processes that report activity in all network devices) to the SNMP Network

Manager server.

Figure 5 Managed objects and agents

Network

MIB

Device 1

SNMP

Agent

Fault

MIB

Device 2

SNMP

Agent

MIB

Device n

SNMP

Agent

Fault in

Device 1

SNMP Network Manager

Workstation/Server

SNMP

Messages

SNMP

Messages

SNMP

Messages

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