Avaya Configuring SNMP, RMON, BOOTP, DHCP, and RARP Services Manuel d'utilisateur Page 60

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Configuring SNMP, RMON, BOOTP, DHCP, and RARP Services
2-2 114070 Rev. A
The RMON agent is software that resides on a data collection module (DCM)
within a Bay Networks BayStack
Access Node Hub (ANH
) or BayStack
Access Node (AN
®
) router on a remote network. As packets travel across the
network, the RMON agent continuously collects and analyzes Ethernet data in
realtime on a remote LAN segment and stores the data locally in the Ethernet
DCM according to the RMON MIB specification, defined in RFC 1757. This RFC
is an extension of SNMP, and specifies a standard RMON MIB that defines both
parameters for recording network statistics and the actual statistics themselves.
You can have multiple RMON agents running in different segments of the
network, usually one per subnet (F
igure 2-1).
Figure 2-1. Sample RMON Configuration
0.0
0.2
0.4
0.6
0.8
1.0
0.5
1.0
1.5
2.0
WAN
RMON
Data
Collection
Module
(DCM)
RMON
Data
Collection
Module
(DCM)
Network
Management
station
Workstation
Workstation
Router
Router
SNM0011A
Ethernet LAN
Segment
Ethernet LAN
Segment
Optivity or
third-party
RMON
management
software
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