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42 Sun Fire V20z and Sun Fire V40z Servers, Server Management Guide • May, 2004
SNMP Integration
SNMP is an open network-management technology that enables the management of
networks and entities connected to the network. Within the SNMP architecture is a
collection of network-management stations and managed nodes.
Network-management stations execute management applications, which monitor
and control managed nodes. Managed nodes are devices such as hosts, gateways
and so on, which have management agents responsible for performing the
management functions requested by the management stations.
SNMP is used to communicate management information between the management
stations and the agents. In other words, SNMP is the protocol by which the agent
and the management station communicate.
The monitoring of state through SNMP at any significant level of detail is
accomplished primarily by polling for appropriate information on the part of the
management station. Managed nodes may also provide unsolicited status
information to management stations in the form of traps, which is likely to guide the
polling at the management station.
Communication of information between management entities in a network is
accomplished through the exchange of SNMP-protocol messages, both in the form of
queries (get/set) by the management station and in the form of unsolicited messages
(traps) indicated by the agent.
Your server includes SNMP agents that allow for health and status monitoring. The
SNMP agent runs on the SP and therefore all SNMP-based management of the
server should occur through the SP. The SNMP agent on these servers provides the
following capabilities:
■ Event management
■ Inventory management
■ Sensor and system state monitoring
■ SP configuration monitoring
SNMP Management Information Base (MIB)
The Management Information Base (MIB) is a text file that describes SNMP data as
managed objects. These servers provide SNMP MIBs so that you can manage and
monitor your server using any SNMP-capable network management system, such as
HP OpenView Network Node Manager (NNM), Tivoli, CA Unicenter, IBM Director
and so on. The MIB data describes the information being managed, reflects current
and recent server status, and provides server statistics.