F5 Networks 301b Exam - Topic 2 Question 113 Discussion

Actual exam question for F5 Networks's 301b exam

Question #: 113
Topic #: 2

An LTM Specialist troubleshooting an issue looks at the following /var/log/ltm entries:

Oct 2 04:52:42 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

Oct 2 05:37:16 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

Oct 2 05:57:32 slot1/tmm2 crit tmm2[21729]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

Oct 2 06:30:03 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

Oct 2 06:37:44 slot1/tmm2 crit tmm2[21729]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

Oct 2 06:47:05 slot1/tmm5 crit tmm5[21732]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

Which configuration item should the LTM Specialist review to fix the issue?

ASNAT Pool

BPool Member

CPort Lockdown

DVirtual Server Port Translation

Show Suggested Answer

Suggested Answer: A

by Katina at Jul 08, 2025, 03:53 PM

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Lettie

4 months ago

I think it could also be a Pool Member issue.

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Sylvia

4 months ago

Definitely need to check the SNAT Pool settings.

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Elenore

5 months ago

Wait, is it really that simple?

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Kaitlyn

5 months ago

Not sure if it's just the SNAT Pool, could be more to it.

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Roy

5 months ago

Looks like a classic case of port exhaustion.

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Leah

5 months ago

I vaguely recall that virtual server port translation could play a role, but I think the SNAT Pool is more likely the key here.

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Annice

5 months ago

I feel like I might be mixing things up, but isn't port lockdown more about security? I don't think that's the right answer.

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Glory

6 months ago

This seems similar to a practice question we did on port exhaustion. I think reviewing the SNAT Pool could help resolve the issue.

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Bette

6 months ago

I remember something about SNAT pools being important for managing IP addresses, but I'm not entirely sure if that's the right choice here.

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Dawne

6 months ago

Okay, based on the log entries, it seems like the pool member configuration could be the culprit. I'll review that to try and resolve the problem.

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Casey

6 months ago

Ah, I think the port lockdown settings might be the issue here. I'll double-check those to see if they're configured correctly.

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Diego

6 months ago

Hmm, I'm not sure what's causing the port exhaustion. I'll need to look into the virtual server port translation settings to see if that could be the problem.

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Nina

6 months ago

This looks like an issue with port exhaustion on the LTM. I'll need to review the SNAT pool configuration to see if that's the root cause.

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Mireya

9 months ago

Definitely a port exhaustion problem. I'd go with the SNAT Pool option to see if that resolves the issue.

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Fredric

7 months ago

C) Port Lockdown

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William

7 months ago

B) Pool Member

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Carmen

8 months ago

A) SNAT Pool

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Gayla

9 months ago

I believe Port Lockdown might also be worth reviewing, it could be related to the port exhaustion.

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Kate

9 months ago

I agree with Irene, Virtual Server Port Translation could be the key to fixing the issue.

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Matthew

9 months ago

The Virtual Server Port Translation might be the culprit. That's where I'd start looking to resolve this problem.

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Deeann

8 months ago

Let's check the Virtual Server Port Translation configuration first.

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Odette

8 months ago

I agree, the Virtual Server Port Translation could be causing the issue.

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Irene

9 months ago

I think the LTM Specialist should review the Virtual Server Port Translation.

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Fabiola

9 months ago

Ha! Guess the LTM Specialist needs to do some serious port management here. Can't wait to see how they fix this one.

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Deane

10 months ago

Hmm, these logs suggest the LTM is running out of available ports. Time to review the Port Lockdown settings.

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Margot

8 months ago

I think looking into the Port Lockdown configuration is the next step.

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Irving

9 months ago

Maybe adjusting the Port Lockdown settings will resolve the issue.

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Ludivina

9 months ago

I agree, let's check the Port Lockdown configuration.

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Cherelle

10 months ago

Looks like a port exhaustion issue. I'd start by checking the SNAT Pool configuration.

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Belen

9 months ago

I think Port Lockdown could also be causing the issue.

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Shawnee

9 months ago

Let's also look at the Virtual Server Port Translation settings.

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Harris

9 months ago

I agree, checking the SNAT Pool configuration is a good first step.

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Lenny

9 months ago

D) Virtual Server Port Translation

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Kaitlyn

9 months ago

C) Port Lockdown

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Velda

9 months ago

B) Pool Member

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Nan

9 months ago

A) SNAT Pool

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