Internetwork Monitor
Viewing the Internetwork
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With address-based placement, names for segment rings are also derived
from the network addresses. For each ring, Internetwork Monitor checks
the Agent Manager database for a data source using the same network
number or with the same IP address after applying the subnet mask. If a
data source is found, the segment uses that name for the segment name.
If no data source is found, then the segment name reflects the network
address.
You can tailor the network-address-to-segment mapping by configuring
lines in the file /usr/netm/config/subnet.db.
To change the subnet mask used for address placement, set the environ-
ment variable NETM_SUBNET_MASK.
Traffic Placement
Traffic-based placement uses traffic analysis to assign nodes to
segments.
Each segment ring in the internetwork view represents a monitoring
data source. When traffic analysis identifies a node that is not part of a
monitored segment, the node is assigned to a catch-all segment ring la-
beled Other.
See Also “To enable monitoring for a new data source” on page 199.
“Interpreting the Internetwork View” on page 227.
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