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2.27.1 RMON Function
RMON (Remote Network Monitoring) is the standard specifications for network monitoring. It is a function
which monitors the communication state of traffic or error of LAN from remote location.
RMON function is an extension of SNMP function. It stores the statistical information of LAN at SNMP agent
side. Data which is stored in response to the request from SNMP manager (Or RMON manager) is returned as
a response of SNMP.
RMON groups shown below are supported by this devices.
• statistics Group
Collects the basic statistical information of packet number or error number of ETHER port monitored.
• history Group
Stores the information collected in statistical group and similar total information as history information.
Since the history information is stored in the device as a statistical information of fixed period, the SNMP
manager (Or RMON manager) can obtain the statistical information by collecting it serially.
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