
Configuring AN and ANH Features
114074 Rev. A 6-27
You calculate the total memory (in bytes) you need for the host data as follows:
105 * Value of the RMON Max Host parameter
HostTopN Group
To save memory and increase performance, there is no default configuration for
the HostTopN group. You must create HostTopN configurations through your
RMON network management application. You can create as many HostTopN
configurations as memory permits, up to the RMON limit of 65,535
configurations.
Each HostTopN configuration requires 164 bytes. The HostTopN data requires 10
bytes of memory per host address the DCM detects on a segment.
You calculate the total memory (in bytes) you need for the HostTopN data as
follows:
10 * Value for the RMON Max Host parameter
Refer to the previous section for information on setting the RMON Max Host
parameter.
Matrix Group
When you enable the DCM, the default setting (Enabled) for the RMON Default
Matrix parameter causes the DCM to set up a Matrix configuration. To prevent
creation of a Matrix configuration, set the RMON Default Matrix parameter to
Disabled before you enable the DCM as described in the “
Activating DCM”
section.
Some RMON network management applications expect the DCM to set up a
Matrix configuration, while others set up their own configurations.
Note: Before you create a HostTopN configuration, you must create a Host
configuration.
Note: The RMON agent allows you to create only one Matrix configuration.
Be sure to set the RMON Default Matrix parameter according to the
expectations of the RMON network management application.
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