Allied Telesis fast ethernet 10/100 hubs User Manual
AT-FH812u and AT-FH824u User’s Guide
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Table 19 Port Statistics
Statistics
Description
Refresh Statistics
Refresh the displayed statistics.
Auto-Refresh Statistics
Refresh statistics at the interval specified in Console
Configuration.
Configuration.
Reset Counter
Reset the statistics counter for all items to zero.
Readable Frames
Number of good frames received.
Readable Octets
Number of good octets received.
CRC Errors
Number of CRC errors.
Alignment Errors
For 10Mbps ports, the counter records alignment errors (mis-
synchronized data packets). For 100Mbs ports, the counter
records the sum of alignment errors and code errors (frames
received with rxerror signal).
synchronized data packets). For 100Mbs ports, the counter
records the sum of alignment errors and code errors (frames
received with rxerror signal).
Frames Too Long
Number of times frame length has exceeded the maximum
allowable size (i.e., 1518 bytes).
allowable size (i.e., 1518 bytes).
Short Events
Number of short fragments.
Runts
Number of fragments (that were too long to qualify as short
events).
events).
Collisions
Number of simultaneous node transmissions detected by this
device.
device.
Late Events
Number of frames where a collision occurred late in the
transmission.
transmission.
Data Rate Mismatches
Number of frames for which the data rate does not match the
local frequency.
local frequency.
Auto Partitions
Number of times this port has been automatically partitioned
due to jabber.
due to jabber.
Total Errors
Total number of errors, including FCS, alignment,
FramesTooLong, ShortEvents, LateEvents, Jabber, and
DataRateMismatches detected on this device.
FramesTooLong, ShortEvents, LateEvents, Jabber, and
DataRateMismatches detected on this device.
LSA Changes
Number of times the source address has changed.
Last Source Addr.
Last source address.