
HP OpenView NetMetrix/UX Release Notes version 6.0
October 1, 1998
Known Problems and Work-Arounds
42 October 1, 1998
the network statistics will be understated. If you wish to monitor full-
duplex network connections such as those between a switch and a server,
we recommend the HP J3458A Fast Ethernet LanProbe Option 201 that
is specifically designed for this purpose.
Work-Around Installing the Standard, Option 200 or Option 202 half-duplex probe on a
full-duplex port can result in incorrect and incomplete statistics when
auto-negotiation is used. For example, if the switch port is set to full-
duplex, the Standard, Option 200 or Option 202 half-duplex probe will
still auto-negotiate to full-duplex. This will result in understated utiliza-
tion statistics since the probe can only see part of the whole communca-
tion. To avoid this, care should be taken to set up the switch port for half-
duplex communication so that network statistics will be correct. In par-
ticular, when using conversation steering, select a fixed link speed which
corresponds to the speed of the original network.
Protocol Distribution Application
Description The Protocol Distribution application does not work
Details The slices in the pie graphs drawn by the Protocol Distribution applica-
tion are not labeled, which means that although the graphs show the
protocol breakdown, you will not be able to determine what protocol each
slice represents. [Defect ID 0804–023952]
Work-Around None.
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