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Network monitoring protocols include network management technologies that exist because people cannot watch all activity within a network in real-time.
Fremont, CA: Corporate networks, as a structure, are generally composed of various components, and this is not uncommon for some components to get overlooked owing to the complexities of their operation, which may not be immediately apparent. Prolonged disregard for such components might, in some situations, result in devastating network performance issues. Network monitoring protocols include network management technologies that exist because people cannot watch all activity within a network in real-time.
There are many reasons why the network should get monitored. Still, the most important reason appears to be the realization that IT infrastructure would decline without a network, and enterprises that get anchored in IT – even partially – may stop operations. In addition, the acquisition of network statistics is critical for the simplicity of network monitoring and administration; network monitoring protocols guarantee that all relevant data are gathered - providing insight into a range of network activities. Let's see key technologies used for standard network monitoring below.
· Simple Network Management Protocol (SNMP)
SNMP is the most used standard protocol for querying relevant objects to extract data from network-connected devices like switches, WLAN controllers, servers, printers, routers, modems, etc.
SNMP is best suited for simplifying the exchange of management information inside a network management system (NMS) among both management applications & network agents.
· Internet Control Message Point (ICMP)
ICMP is also a network monitoring protocol created specifically for error reporting. ICMP is helpful by network devices such as routers to transmit error messages when a host/client cannot get accessed or requested information is unavailable. Unlike SNMP, ICMP doesn't participate in data flow inside or between systems.
It is crucial as a network monitoring protocol since the messages delivered by ICMP provide the foundation for a rapid understanding of the source and cause of failures when carrying out much of the typical utilities used in performing a day-to-day operation on the internet.
· Cisco Discovery Protocol (CDP)
CDP is a Data Link Layer network monitoring protocol developed by Cisco systems to exchange information among linked Cisco devices that directly link to one another. Essentially, it provides aggregate information about Cisco-enabled network equipment such as routers, switches, servers, etc. It is installed by default on all compatible Cisco devices, although it may be deactivated on a specific interface or globally through Cisco systems for some device types.