JN0-691 · Question #124
You are using the ping command to troubleshoot a suspected MTU problem. user@R1> show configuration interfaces xe-1/1/0 { unit 0 { family inet { address 17.1.1.1/24; } family mpls; } } user@R1> ping…
The correct answer is A. The first ping fails because the do-not-fragment option is set. C. The first ping fails because the Junos OS takes into account ICMP and IP headers while. See the full explanation below for the reasoning.
Question
You are using the ping command to troubleshoot a suspected MTU problem. user@R1> show configuration interfaces xe-1/1/0 { unit 0 { family inet { address 17.1.1.1/24; } family mpls; } } user@R1> ping 17.1.1.2 size 1473 do-not-fragment PING 17.1.1.2 (17.1.1.2): 1473 data bytes ping: sendto: Message too long ping: sendto: Message too long ping: sendto: Message too long user@R1> ping 17.1.1.2 logical-system R1 size 1472 do-not-fragment PING 17.1.1.2 (17.1.1.2): 1472 data bytes 1480 bytes from 17.1.1.2: icmp_seq=0 ttl=64 time=0.933 ms 1480 bytes from 17.1.1.2: icmp_seq=1 ttl=64 time=0.838 ms 1480 bytes from 17.1.1.2: icmp_seq=2 ttl=64 time=4.688 ms Referring to the exhibit, which two statements are true? (Choose two.)
Options
- AThe first ping fails because the do-not-fragment option is set.
- BThe first ping fails because the Junos OS takes into account Layer 2 headers while calculating
- CThe first ping fails because the Junos OS takes into account ICMP and IP headers while
- DThe first ping fails because the Junos OS takes into account the CRC header while calculating
How the community answered
(55 responses)- A80% (44)
- B5% (3)
- D15% (8)
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