Subject: Telecom Network Management

Topic: Broadband Network Management

SNMP messages for e.g. going across the n/w between a manager and an agent the tool 'sniffs' every packet that is going across a local area n/w opens it and analyses it. it is a passive operation and does nothing to packets, which continue to proceed to their destinations . This is called probing or monitoring the n/w and the device that does the function is called the network monitoring or the probe. two probe components of a probe are

1) Physical object that is connected to transmission medium.

2) Processor which analyzes the data

• If both are at same place geographically, it is a local, probe, which is similar to 'sniffs'.

• In case remotely monitoring the n/w using a probe is referred to as remote - network monitoring or RMON.