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In typical uses of SNMP, one or more administrative computers called managers have the task of monitoring or managing a group of hosts or devices on a computer network. Each managed system executes a software component called an agent that reports information via SNMP to the manager. An SNMP-managed network consists of three key components:
The product does not rely on a software agent that must run on hosts it is monitoring, so that data can be pushed back to a central server. "Supported" means that an agent may be used, but is not mandatory. An SNMP daemon does not count as an agent. SNMP Able to retrieve and report on SNMP statistics. Syslog Able to receive and report on ...
JManager: An open-source SNMP manager, written in Java. Capable of importing MIBs, support for IPv6. qtmib: An open source graphical MIB browser written in C++. It is built as a front-end for Net-SNMP. iReasoning MIB Browser: A graphical MIB browser, written in Java. Load MIB files and issue SNMP requests, available on Windows, OS X and Linux.
Managed objects are described using GDMO (Guidelines for the Definition of Managed Objects), and can be identified by a distinguished name (DN), from the X.500 directory. CMIP also provides good security (support authorization, access control, and security logs) and flexible reporting of unusual network conditions.
Agents that export objects via AgentX to a master agent are called subagents. The AgentX standard not only defines the AgentX protocol, but also the procedure by which those subagents process SNMP protocol messages. For more information, see RFC 2741 [1] for the original definition of the protocol and the IETF Agentx Working Group. [2]
Net-SNMP is housed on SourceForge and is usually in the top 100 projects in the SourceForge ranking system. It was the March 2005 SourceForge Project of the Month. [1] It is very widely distributed and comes included with many operating systems including most distributions of Linux, FreeBSD, OpenBSD, Solaris, and OS X.
Software-defined networking (SDN) is an approach to network management that uses abstraction to enable dynamic and programmatically efficient network configuration to create grouping and segmentation while improving network performance and monitoring in a manner more akin to cloud computing than to traditional network management. [1]
An SNMP simulator is a type of computer simulation, that simulates the Simple Network Management Protocol (SNMP) agent. Contrary to network simulation , which models the behavior of a network within a computer, the SNMP simulator actually interfaces with outside systems, for example network management application software.