A Linux administrator observes a low network throughput on a Linux system. The Linux administrator gathers the following output: Which of the following is the cause of a low network throughput?

The correct answer is D. MTU mismatch. The interface is configured with a jumbo MTU, and the ping test with the do-not-fragment flag shows fragmentation errors, indicating that packets larger than the path MTU cannot be transmitted. This MTU mismatch causes fragmentation or dropped packets, resulting in reduced…

Troubleshooting

Question

A Linux administrator observes a low network throughput on a Linux system. The Linux administrator gathers the following output:

Which of the following is the cause of a low network throughput?

Exhibit

Options

AHardware limitations
BDriver issue
CDuplex configuration issue
DMTU mismatch

How the community answered

(33 responses)

A
24% (8)
B
15% (5)
C
6% (2)
D
55% (18)

Explanation

The interface is configured with a jumbo MTU, and the ping test with the do-not-fragment flag shows fragmentation errors, indicating that packets larger than the path MTU cannot be transmitted. This MTU mismatch causes fragmentation or dropped packets, resulting in reduced network throughput.

Topics

#MTU mismatch#network throughput#network performance#Ethernet

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