Avaya Configuring BayStack Remote Access Bedienungsanleitung Seite 90

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Configuring BayStack Remote Access
6-2 117341-A Rev. A
Ethernet DCM and RMON Overview
The Ethernet DCM physically connects to BayStack router base modules and to
the ARN Ethernet expansion modules. It contains a flash memory single in-line
memory module (SIMM) for its own boot image and configuration files. The
DCM runs RMON agent software that does the following:
Gathers statistics by monitoring packets on an Ethernet segment
Stores the information according to the RMON MIB specification, in
compliance with RFC 1757
To communicate with the RMON agent software on the DCM hardware, the
router requires a software subsystem called DCM middleware (DCMMW). This
software subsystem enables and configures the installed DCM hardware.
Using Site Manager or the Technician Interface, you can configure the DCMMW
to do the following:
Enable the DCM using a default configuration
Modify the DCM configuration
Boot the DCM
Disable the DCM
To set up RMON configurations and view statistics, use Optivity Analysis
or a
third-party RMON network management application.
Remote Monitoring (RMON)
RFC 1757 is an extension of SNMP. It specifies a standard MIB that defines
parameters for recording statistics and the statistics themselves.
RMON performs the following tasks:
Monitors 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 determine the cause of the failure.
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