D-Link DES-3624 - Switch - Stackable User Manual - page 94
Stackable NWay Ethernet Switch User’s Guide
94
Using the Console Interface
♦
Jabber
The number of frames with length more than 1536 bytes and with CRC error or misalignment (bad
framing).
♦
Late Collision
The number of collisions that occur at or after the 64
th
byte (octet) in the frame.
♦
Mac Rx Error
The number of frames with received MAC Errors.
♦
Dropped Frames
The number of frames which are dropped by this port since the last Switch reboot.
♦
Undersize Frames
The number of frames detected that are less than the minimum permitted frame size of 64
bytes and have a good CRC. Undersize frames usually indicate collision fragments, a normal network occurrence.
♦
Total errors
The sum of the CRC Error, Oversize Frames, Bad Fragment, Jabber, Late Collision, Mac Rx Error,
Dropped Frames, and Undersize Frames counters.
♦
Collisions
The number of times packets have collided on this port.
Port Packet Analysis Statistics
To access the fourth item on the Traffic Statistics menu, choose Port Packet Analysis Statistics. The following
table appears:
Figure 6-57. Packet Analysis Statistics table
Select the desired device in the Switch field, the desired port in the Port field, and the desired increment setting in the
Update Interval field: 5 sec, 15 sec, 30 sec, 1 min, or Suspend. Press CLEAR COUNTERS to clear all counters for a
desired port.
The statistic counters displayed are defined as follows:
♦
64
, 65-127, 128-255, 256-511, 512-1023, 1024-1536 The number of good frames of various length ranges, both valid
and invalid.
♦
RX (GOOD)
The number of good frames received. This also includes local and dropped packets.