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Chapter 7
Configuring a Data Collection Module
Ethernet DCM and RMON Overview ..............................................................................7-1
Remote Network Monitoring (RMON) ......................................................................7-2
The RMON Groups ..................................................................................................7-3
Ethernet Statistics Group ...................................................................................7-3
History Control Group and Ethernet History Group ...........................................7-4
Host Group ........................................................................................................7-4
HostTopN Group ................................................................................................7-4
Matrix Group ......................................................................................................7-4
Filter Group ........................................................................................................7-4
Packet Capture Group .......................................................................................7-5
Alarm Group ......................................................................................................7-5
Event Group .......................................................................................................7-5
For More Information about RMON ..........................................................................7-5
Enabling a DCM Using Site Manager .............................................................................7-6
DCM Global Parameter Descriptions .......................................................................7-7
Managing the DCM Using Site Manager ......................................................................7-11
Activating the DCM ................................................................................................7-12
Disabling the DCM .................................................................................................7-12
Booting the DCM ....................................................................................................7-13
Changing the DCM Configuration Parameters .......................................................7-13
Deleting the DCM Software Subsystem .................................................................7-14
Managing the DCM Using the Technician Interface ......................................................7-15
Changing DCM Configuration Parameters .............................................................7-15
RMON Implementation Notes .......................................................................................7-16
RMON Applications ................................................................................................7-17
RMON Memory Use ...............................................................................................7-18
Interoperability Issues and Memory Use for RMON Groups ..................................7-18
Statistics Group ...............................................................................................7-19
History Group ..................................................................................................7-19
Host Group ......................................................................................................7-20
HostTopN Group ..............................................................................................7-21
Matrix Group ....................................................................................................7-21
Filter and Capture Groups ...............................................................................7-22
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