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REMOTE MONITORING

REMOTE MONITORING. What is REMOTE MONITORING?. RMON is the common abbreviation for Remote Monitoring. An RMON implementation operates in a client/server model. Monitoring devices, they contain RMON software agents that collect information and analyse packets .

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REMOTE MONITORING

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  1. REMOTE MONITORING

  2. What is REMOTE MONITORING? • RMON is the common abbreviation for Remote Monitoring. • An RMON implementation operates in a client/server model. Monitoring devices, they contain RMON software agents that collect information and analyse packets. • These probes act as servers and the Network Management applications that communicate with them act as clients. While both agent configuration and data collection use SNMP, RMON is designed to operate differently than other SNMP-based systems • Probes have more responsibility for data collection and processing which reduces SNMP traffic and the processing load of the clients. • Information is only transmitted to the management application when required instead of continuous polling.

  3. Advantages of RMON • It improves your efficiency - Using RMON allows you to remain at one workstation and collect information from widely spread LAN sections. This means that the time taken to reach a problem site, set up equipment, and begin collecting information is largely eliminated. • Allows you to manage your network- If they are configured correctly, RMON probes deliver information before problems occur. This means that you can take action before they affect users. • It reduces the load on the network and the management workstation as network sizes grow, this method puts pressure on the management workstation and also generates large amounts of traffic. An RMON probe however looks at the network on behalf of the management workstation without affecting the performance of the network. The probe reports by exception which means that it only tells the management workstation when the network goes into an unusual state.

  4. disadvantages of RMON • The amount of information it provides is insufficient for network managers and administrators who need to solve complex problems, often at a distance. • The mechanism employed for data recovery to a central management console are slow and very bandwidth inefficient. • RMON values are stored in 32 bit registers which limit the count value to 4,294,967,295. Although it seems like a large value, it is actually quite small. In a 100 Mbps fast Ethernet network running at just 10% loading, the counters will be reset to zero after just one hour of activity.

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