Which interface condition is occurring in this output?

The correct answer is B. duplex mismatch. The output shows many input errors, packets with dribble condition detected, and a 100-Mb/s, full-duplex configuration. These symptoms strongly indicate that the other side of the link is running half-duplex, which causes collisions, dribble errors, and incrementing input errors

Submitted by tom_us· Mar 5, 2026

Question

Which interface condition is occurring in this output?

Exhibits

Options

Abad NIC
Bduplex mismatch
Cqueueing
Dbroadcast storm

How the community answered

(44 responses)

A
5% (2)
B
70% (31)
C
16% (7)
D
9% (4)

Explanation

The output shows many input errors, packets with dribble condition detected, and a 100-Mb/s, full-duplex configuration. These symptoms strongly indicate that the other side of the link is running half-duplex, which causes collisions, dribble errors, and incrementing input errors - the classic signs of a duplex

Topics

#Duplex mismatch#Ethernet troubleshooting#Interface status

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