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AT-FH812u and AT-FH824u User’s Guide
27
Table 19
Port Statistics
Statistics Description
Refresh Statistics Refresh the displayed statistics.
Auto-Refresh Statistics Refresh statistics at the interval specified in Console
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).
Frames Too Long Number of times frame length has exceeded the maximum
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).
Collisions Number of simultaneous node transmissions detected by this
device.
Late Events Number of frames where a collision occurred late in the
transmission.
Data Rate Mismatches Number of frames for which the data rate does not match the
local frequency.
Auto Partitions Number of times this port has been automatically partitioned
due to jabber.
Total Errors Total number of errors, including FCS, alignment,
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.