SNMP Overview

Simple Network Management Protocol (SNMP) is an open technology that enables the management of networks and devices, or nodes, that are connected to the network. Using SNMP, data travels between a managed device (node) and a networked management station. A managed device can be any device that runs SNMP, such as hosts, routers, web servers, or other servers on the network. SNMP messages are sent over IP using the User Datagram Protocol (UDP). Any management application that supports SNMP can manage your server.

ILOM supports SNMP versions 1, 2c, and 3. Using SNMP v3 is strongly advised since SNMP v3 provides additional security, authentication, and privacy beyond SNMP v1 and v2c.

SNMP is a protocol, not an operating system, so you need an application to utilize SNMP messages. Your SNMP management software may provide this functionality, or you can use an open source tool like net-SNMP, which is available at:

http://net-snmp.sourceforge.net/

Both management stations and agents use SNMP messages to communicate. Management stations can send and receive information. Agents can respond to requests and send unsolicited messages in the form of traps. Management stations and agents use the following functions:

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