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Protocol Distribution
NetMetrix Protocol Distribution lets you view pie graphs showing the top
protocols used on your network, based on data collected by a standard
RMON agent, provided the agent supports the Filter and Capture
RMON groups.
The application sets up a packet capture instance on the agent, slicing
packets at 128 bytes. A buffer size of one megabyte is requested for FDDI
LanProbe data sources, 100 kilobytes for all others.
After waiting a short time for the buffer to fill, the application retrieves
the packets, processes the information they contain, then displays pie
graphs showing the distribution of protocols at the datalink, transport,
network, and application layers.7
Note that the graphs displayed by Protocol Distribution are based on
snapshots of network activity. To view protocol distribution over long
periods of time or correlated with other aspects of network traffic, use
NetMetrix Load Monitor against an extended data source.
For a list of what agents work with Protocol Distribution, refer to table 1
on page 18.
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