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301b Exam - Question 34


An LTM Specialist must perform a packet capture on a virtual server with an applied standard FastL4 profile. The virtual server 10.0.0.1:443 resides on vlan301.

Which steps should the LTM Specialist take to capture the data payload successfully while ensuring no other virtual servers are affected?

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Correct Answer: C

To successfully capture the data payload on the specified virtual server without affecting other virtual servers, a new FastL4 profile should be created with PVA acceleration disabled. This ensures that any changes made will only apply to the target virtual server. After applying the new profile, the packet capture tcpdump -ni vlan301 should be executed on the command line interface. This approach avoids potential issues with other virtual servers that might be using the existing profile.

Discussion

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SimonR2Option: A
Aug 28, 2021

Although I do agree the answer probably should be C, according to this f5 article the answer is A. “You can work around this limitation by temporarily disabling PVA acceleration for the FastL4 profile, capturing the traffic in a VLAN tcpdump and then re-enabling PVA acceleration for the FastL4 profile.” https://support.f5.com/csp/article/K6546

adriansg90
May 5, 2022

"while ensuring no other virtual servers are affected" I think this is the key for the correct answer, because we don't know if that FastL4 Profile is applied in another Virtual Server, so the recomendation is to create a new one

GVKDOption: C
Feb 6, 2024

C - Correct. Yet another badly worded question...