Pie Charts In Ethernet Segment Statistics - Avaya M770 User Manual

Chapter 7

Pie Charts in Ethernet Segment Statistics

The pie charts at the top of the window display the following
information:
SMON updates these charts in real-time according to the specified
sampling interval. By viewing the relationships among these three
variables, you can learn a lot about the behavior of the selected port.
* Note: If contact with the agent is lost, the graphs display the last
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Table 7-1. Pie Chart Variables in Ethernet Segment Statistics
Variable Description
Network Usage Displays the proportion of good and bad
packets. The bad transmissions include: CRC
alignment errors, packet fragments, jabbers
and oversized packets. If the number of
packets other than good packets starts
increasing, or takes up a significant part of the
chart, this indicates that there may be a
problem.
Packet Displays the distribution of packets into
Destination unicast, multicast, and broadcast packets. On
most networks, the unicast packets should
constitute the vast majority of the pie graph. If
broadcast or multicast packets begin to
increase their share of the graph, this indicates
that there may be a problem.
Packet Length This pie chart is only displayed for ports that
can operate as Fast Ethernet ports. It is
displayed regardless of the actual operating
port speed of the port. The pie chart breaks
down packet length from 64 bytes to 1518
bytes. It indicates the type of packets sent on
the network. If the pie chart shows abnormal
percentages of packets of varying lengths, it
could indicate that there is a problem on the
network.
data received from the agent until contact is restored. If the
display is gray, then there is no traffic on the segment
connected to the port.
Avaya M770 and M-MLS SMON User Guide