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F5 Networks 201 Exam - Topic 10 Question 127 Discussion

A new BIG-IP VE is deployed with default settings. The BIG-IP Administrator completes the setup utility in the Configuration Utility. The internal self IP address fails to respond to a ping request. What is a possible cause of this issue?
D) Internal interface VLAN is set to tagged
A) Port lockdown on internal self IP is set to Allow None
B) Route is NOT assigned to internal self IP.
C) Internal interface VLAN is set to untagged

F5 Networks 201 Exam - Topic 10 Question 127 Discussion

Actual exam question for F5 Networks's 201 exam
Question #: 127
Topic #: 10
[All 201 Questions]

A new BIG-IP VE is deployed with default settings. The BIG-IP Administrator completes the setup utility in the Configuration Utility. The internal self IP address fails to respond to a ping request. What is a possible cause of this issue?

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Suggested Answer: D

by Pearly at May 28, 2026, 06:51 AM

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Ludivina
4 hours ago
D seems less likely, but still worth considering. Tagged VLANs should work.
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Karl
5 days ago
C could be an issue as well. Untagged VLAN might not be configured right.
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Fredric
11 days ago
True, B is a possibility too. Routing issues can cause this.
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Arthur
16 days ago
What about B? If the route isn't assigned, it won't respond.
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Lynsey
21 days ago
I agree, A makes sense. No access if it's set to Allow None.
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Leah
26 days ago
I think it could be A. Port lockdown might be too strict.
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Lavonna
1 month ago
C seems weird, isn't untagged the default?
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Darci
1 month ago
Definitely A, I've seen that happen before.
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Reyes
1 month ago
Wait, how can the VLAN settings affect ping responses?
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Lamonica
2 months ago
I think B) Route is NOT assigned to internal self IP could be the issue too.
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Paris
2 months ago
A) Port lockdown on internal self IP is set to Allow None.
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Marnie
2 months ago
I vaguely recall that if the VLAN is tagged or untagged, it might affect connectivity. Is that something we should consider?
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Francisca
2 months ago
I'm not entirely sure, but I feel like the VLAN settings could play a role. Maybe the internal interface VLAN is set incorrectly?
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Melodie
2 months ago
I think I saw a similar question where the route assignment was the issue. Could that be the case here too?
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Starr
2 months ago
I remember something about port lockdown settings; could it be that the internal self IP is set to Allow None?
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