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

9 months ago

I think it could also be a Pool Member issue.

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Sylvia

9 months ago

Definitely need to check the SNAT Pool settings.

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Elenore

9 months ago

Wait, is it really that simple?

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Kaitlyn

9 months ago

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

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Roy

10 months ago

Looks like a classic case of port exhaustion.

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Leah

10 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

10 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

10 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

10 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

11 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

11 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

11 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

11 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

1 year 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

12 months ago

C) Port Lockdown

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William

12 months ago

B) Pool Member

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Carmen

1 year ago

A) SNAT Pool

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Gayla

1 year ago

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

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Kate

1 year ago

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

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Matthew

1 year 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

1 year ago

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

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Odette

1 year ago

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

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Irene

1 year ago

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

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Fabiola

1 year 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

1 year 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

1 year ago

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

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Irving

1 year ago

Maybe adjusting the Port Lockdown settings will resolve the issue.

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Ludivina

1 year ago

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

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Cherelle

1 year ago

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

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Belen

1 year ago

I think Port Lockdown could also be causing the issue.

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Shawnee

1 year ago

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

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Harris

1 year ago

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

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Lenny

1 year ago

D) Virtual Server Port Translation

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Kaitlyn

1 year ago

C) Port Lockdown

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Velda

1 year ago

B) Pool Member

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Nan

1 year ago

A) SNAT Pool

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