
Connecting BayStack AN and ANH Systems to a Network
6-10
HostTopN Group
The HostTopN group ranks hosts according to a statistic type. For example, you
might want to rank the hosts by the number of errors they generate. Control
parameters for this group appear in the hostTopNControlTable, and data this
group generates appears in the hostTopNTable. To use the HostTopN group, you
must set up the Host group.
Matrix Group
The Matrix group stores statistics for an interchange between interfaces at
different addresses. This group’s control parameters, such as the interface that
starts the interchange, appear in the matrixControlTable. When the Matrix group
receives information from a good packet, it places data in both the matrixSDTable
and the matrixDSTable.
Filter Group
The Filter group specifies what type of packets the DCM should capture. Filter
control parameters, such as the minimum length of the packets to capture, appear
in the filterTable. Associated with each filter is a channel (a specific path along
which data flows). Control parameters in the channelTable define how and where
the filtered packets flow.
Packet Capture Group
The Packet Capture group enables the capture of packets that satisfy the Filter
group control parameters. For example, you can specify the maximum number of
octets from each packet that the group should store in the captureBufferTable. To
use the Packet Capture group, you must set up the Filter group.
For More Information about RMON
The following documents provide more detail:
• RMON MIB (RFC 1757)
• The user guide for Optivity Design and Analysis network management
software
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