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Gigabit Ethernet lanadmin Display
RFC 1284 Ethernet-Like Interface Statistics
Appendix A
58
RFC 1284 Ethernet-Like Interface Statistics
Following are descriptions of the Ethernet-like statistics fields in the lanadmin(1M)
command display.
Field Description
Index A value that uniquely identifies an interface to an
802.3 medium.
Alignment Errors A count of frames received on a particular interface
that are not an integral number of octets in length
and do not pass the FCS check.
FCS Errors A count of frames received on a particular interface
that are not an integral number of octets in length
and do not pass the FCS check.
Single Collision Frames A count of successfully transmitted frames on a
particular interface for which transmission is
inhibited by exactly one collision.
Multiple Collision Frames A count of successfully transmitted frames on a
particular interface for which transmission is
inhibited by more than one collision.
Deferred Transmissions A count of frames for which the first transmission
attempt on a particular interface is delayed because
the medium is busy. The count represented by an
instance of this object does not include frames
involved in collisions.
Late Collisions The number of times that a collision is detected on a
particular interface later than 512 bit-times into the
transmission of a packet.
Excessive Collisions A couple of frames for which transmission on a
particular interface fails due to excessive collisions or
packets dropped.
Internal MAC Transmit Errors A count of frames for which transmission on a
particular interface fails due to an internal MAC
sublayer transmit error.
Carrier Sense Errors The number of times that the carrier sense condition
was lost or never asserted when attempting to
transmit a frame on a particular interface.
Frames Too Long A count of frames received on a particular interface
that exceed the maximum permitted frame size.
Internal MAC Receive Errors A count of frames for which reception on a particular
interface fails due to an internal MAC sublayer
receive error.