D-Link DFE-2600 Series User Manual - page 74
Dual-Speed Stackable Hubs User’s Guide
Master Hub Setup and Management
62
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 tabu-
lated differently 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
Ethernet interface.