Avaya Connecting BayStack AN and ANH Platforms to a Network Manuel d'utilisateur Page 98

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Connecting BayStack AN and ANH Systems to a Network
6-8
About Remote Network Monitoring (RMON)
RFC 1757 is an extension of SNMP. It specifies a standard MIB that defines both
parameters for recording statistics and the actual statistics themselves.
The purposes of RMON include
Monitoring network performance
You can configure the DCM to continuously perform diagnostics and monitor
network performance. If a network failure occurs, the DCM can store
statistical information about the failure. The management stations can use this
information to investigate the cause of the failure.
Detecting and reporting problems
You can configure the DCM to recognize and continuously check for error
conditions.
Collecting information for problem solving
You can configure the DCM to give management stations information they
need to solve problems. For instance, the DCM can identify the hosts on a
network that generate the most traffic or errors.
Refer to “RMON Implementa
tion Notes,” later in this chapter, for issues you
should consider when using an N11 DCM for RMON.
The RMON Groups
The RMON agent runs on the DCM, and comprises a set of MIB groups. RFC
1757 defines the function and organization of these groups. Bay Networks
implements the following groups in its RMON agent:
Ethernet Statistics
History Control
Ethernet History
Host
HostTopN
Matrix
Filter
Packet Capture
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