3Com 3C16630A User Manual page 102

Management module/advanced rmon module
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D-4
A
D: S
PPENDIX
TATISTICS
detected at the stack. Collisions are a normal part of 802.3 operation,
and are not errors. Transmit collisions form part of the Total Collisions
figure.
Unicast Frames This is the total number of frames addressed to a
single MAC address (that is, a single device) seen at the repeater, unit
or port.
Very Long Events A very long event is an event that will cause Jabber
Lock Up protection to operate. This statistic shows how many times the
repeater has had to protect against jabber seen at a port.
Isolate the source of very long events and check that the transceiver or
adapter card in the device is operating correctly.
DUA1663-0BAA03

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