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Chapter 7 System Status and Port Statistics
MGS3700-12C User’s Guide
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Control This field shows the number of control packets received (including those
with CRC error) but it does not include the 802.3x Pause packets.
TX Collision
The following fields display information on collisions while transmitting.
Single This is a count of successfully transmitted packets for which transmission is
inhibited by exactly one collision.
Multiple This is a count of successfully transmitted packets for which transmission
was inhibited by more than one collision.
Excessiv
e
This is a count of packets for which transmission failed due to excessive
collisions. Excessive collision is defined as the number of maximum
collisions before the retransmission count is reset.
Late This is the number of times a late collision is detected, that is, after 512
bits of the packets have already been transmitted.
Error Packet The following fields display detailed information about packets received
that were in error.
RX CRC This field shows the number of packets received with CRC (Cyclic
Redundant Check) error(s).
Length This field shows the number of packets received with a length that was out
of range.
Runt This field shows the number of packets received that were too short
(shorter than 64 octets), including the ones with CRC errors.
Distribution
64 This field shows the number of packets (including bad packets) received
that were 64 octets in length.
65-127 This field shows the number of packets (including bad packets) received
that were between 65 and 127 octets in length.
128-255 This field shows the number of packets (including bad packets) received
that were between 128 and 255 octets in length.
256-511 This field shows the number of packets (including bad packets) received
that were between 256 and 511 octets in length.
512-
1023
This field shows the number of packets (including bad packets) received
that were between 512 and 1023 octets in length.
1024-
1518
This field shows the number of packets (including bad packets) received
that were between 1024 and 1518 octets in length.
Giant This field shows the number of packets (including bad packets) received
that were between 1519 octets in length and the maximum frame size.
The maximum frame size varies depending on your switch model. See
Chapter 47 on page 419.
Table 8 Status: Port Details (continued)
LABEL DESCRIPTION