
RMON and RMON2 MIB Groups
300018-A Rev. 00
B-11
Memory Requirements for RMON Groups
To optimize the use of your network management applications (such as Optivity
Analysis for Windows NT), you need to understand each RMON group’s memory
requirements.
The total amount of available RMON and RMON2 memory depends on the
DRAM available on the Ethernet DCM (Table B-1
).
The following sections describe how much memory you need to:
• Configure an RMON group (for example, the matrix group or the filter and
capture groups).
• Store the data for an RMON group (for example, the packets on Ethernet
DCM captures).
In the following sections, the term configuration means the set of control tables
for a group. For example, a matrix configuration includes only the
matrixControlTable. Note that you can create more than one configuration for
some RMON groups. For example, you can create more than one history
configuration, allowing you to specify different intervals for sampling statistics.
Table B-1. DRAM and RMON Memory Size
Installed DRAM (MB) Available RMON Memory in Bytes
4 2,077,330
8 5,222,034
16 12,561,042
Note:
If the RMON memory pool is full or if the RMON agent reaches an
implementation limit, the agent responds to an SNMP
set
command
on an
RMON control table entry with an SNMP GEN-ERROR.
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