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Interface Counters
Description
In Unknown Protos:
Received packets with unsupported protocol type
Out Octets:
Sent bytes
Out Ucast packets:
Sent unicast packets
Out NUcast packets:
Sent non unicast packets (broadcast and multicast)
Out Discards:
Outgoing packets discarded due to no available memory buffers
Out Errors:
Transmission errors
Media Counters
Description
Alignment Errors
Frames received that are not an integral number of octets in length
FCS Errors
Frames received that do not pass the FCS check
Single Collisions
Successfully transmitted frames which experienced exactly one collision
Multiple Collisions
Successfully transmitted frames which experienced more than one collision
SQE Test Errors
Number of times SQE test error messages are generated
(Not provided with current PHY interface)
Deferred Transmissions
Frames for which first transmission attempt is delayed because the medium is
busy
Late Collisions
Number of times a collision is detected later than 512 bit-times into the
transmission of a packet
Excessive Collisions
Frames for which a transmission fails due to excessive collisions
MAC Receive Errors
Frames for which reception of an interface fails due to an internal MAC sublayer
receive error
MAC Transmit Errors
Frames for which transmission fails due to an internal MAC sublayer receive
error
Carrier Sense Errors
Times that the carrier sense condition was lost or never asserted when
attempted to transmit a frame
Frame Size Too Long
Frames received that exceed the maximum permitted frame size
Frame Size Too Short
Frames received that are shorter than lowest permitted frame size
Anybus
®
CompactCom
™
B40 Modbus Serial EtherNet/IP Network Guide
SCM-1202-131 1.1 en-US