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While in other SNMP communication, the manager actively requests information from the agent, these are PDUs that are sent from the agent to the manager without being explicitly requested. SNMP Traps enable an agent to notify the management station of significant events by way of an unsolicited SNMP message.
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]
Using agents such as NSClient++, send_nsca, Check MK, Thrift TSCA; Using agents permitting remotely run scripts via Nagios Remote Plugin Executor (An embedded pure-Python implementation is included with Shinken) Using agent-less methods such as SNMP, WMI, scripted SSH or HTTP(SSL)
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 ...
SNMP agent In Unix-style networking servers, httpd is an HTTP daemon that implements the Hypertext Transfer Protocol at the root of the World Wide Web Management agents used to manage telecom devices
HP OpenView is the former name for a Hewlett-Packard product family that consisted of network and systems management products. In 2007, HP OpenView was rebranded as HP BTO (Business Technology Optimization) Software when it became part of the HP Software Division.
ThousandEyes is a software-as-a-service (SaaS) product that uses synthetic monitoring probes and real user monitoring [13] to measure network and application performance. The product includes elements of network tomography for loss and latency, route analytics to visualize BGP advertisements, DNS monitoring, VoIP monitoring, website monitoring for HTTP and HTTPS and SNMP device polling.
In response, a suite of network management software was developed to help reduce the burden of managing the growing complexity of computer networks. Network management software usually collects information about network devices (which are called Nodes) using protocols like SNMP, ICMP, CDP etc. This information is then presented to network ...