User`s guide

9 - 8 Ethernet or Token Ring Bridge

n Excessive Deferrals: Number of times the frame failed to transmit

due to excessive deferrals. Usually indicates the frame had to be

continuously retried due to heavy trafﬁc on the Ethernet infrastruc-

ture.

n No Carrier Sense Present: Number of times the carrier was not

present when a transmission was started. Usually indicates a prob-

lem with a cable on the Ethernet infrastructure.

n Carrier Sense Lost: Number of times the carrier was lost during a

transmission. Usually indicates a problem with a cable on the Ether-

net infrastructure.

n Out of Window Collisions: Number of times a collision occurred

after the 64th byte of a frame was transmitted. Usually indicates a

problem with a cable on the Ethernet infrastructure.

n Underruns: Number of times the hardware transmit FIFO became

empty during a transmit. This should be a rare occurrence.

n Bad Length: Number of times an attempt was made to transmit a

packet larger than the speciﬁed maximum allowed.