PLANET FGSW-2840 - Manual (Page 211)

User’s Manual of FGSW-2840 / FGSW-4840S
4.9.3 RMON
RMON (Remote Monitoring) based on SNMP (Simple Network Management Protocol) architecture, functions to monitor the
network. RMON is currently a commonly used network management standard defined by Internet Engineering Task Force
(IETF), which is mainly used to monitor the data traffic across a network segment or even the entire network so as to enable the
network administrator to take the protection measures in time to avoid any network malfunction. In addition, RMON MIB records
network statistics information of network performance and malfunction periodically, based on which the management station can
monitor network at any time effectively. RMON is helpful for network administrator to manage the large-scale network since it
reduces the communication traffic between management station and managed agent.
RMON Group
This Managed Switch supports the following four RMON Groups defined on the RMON standard (RFC1757): History Group,
Event Group, Statistic Group and Alarm Group.
RMON Group Function
After a history group is configured, the Managed Switch collects and records network statistics
information periodically, based on which the management station can monitor network effectively.
History Group
Event Group is used to define RMON events. Alarms occur when an event is detected.
Event Group
Statistic Group is set to monitor the statistic of alarm variables on the specific ports.
Statistic Group
Alarm Group is configured to monitor the specific alarm variables. When the value of a monitored
variable exceeds the threshold, an alarm event is generated, which triggers the Managed Switch to
act in the set way.
Alarm Group
The screen in Figure 4-9-10 appears.
Figure 4-9-10: SNMP RMON Page Screenshot
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