Master Hub Setup and Management
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Displaying Port and Group Statistics
The hub stack collects network transmission statistics for each port, and each
hub (group) in the stack. Statistics collected for segments are tabulated dif-
ferently and are explained in the next section. You can choose which to view
from the Statistics menu, accessible under the Network Monitoring menu.
DFE-2600 Stackable Hub - Network Monitoring : Statistics Menu
Segment Statistics
Group Statistics
Port Statistics
EXIT
The data categories provided for both port and group statistics are the same.
They are:
♦
Frames Too Long. This statistic counts frames longer than the 1518-
byte (octet) limit set by the Ethernet standard. This problem is likely
caused by software errors.
♦
Very Long Events. This statistic counts events where a signal is re-
ceived that is longer than the jabber lockup protection timer setting. A
high count in this field may indicate noise on the line or a bad Ether-
net interface.
♦
Short Events. This statistic counts events where less than 10 bytes
are received and the frame start delimiter is invalid, or where the start
