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F5 Networks 303 Exam - Topic 1 Question 30 Discussion

A BIG-IP device is configured with both an internal external and two Corporate VLANs. The virtual serverhas SNAT enabled and is set to listen on all VLANs Auto Last Hop is disabled. The Corporate users are on10.0.0.0./24 and 172.16.0.0/12. The BIG-IP has a Self-IP on the 1.0.0.0.0./24 subnet.Internet users are able to access the virtual server. Only some of the Corporate users are able to connectto the virtual server A BIG-IP Administrator performs a tcpdump on the BIG-IP and verifies that traffic isarriving from users in 10.0.0.0/24.What should the BIG-IP Administrator do to correct this behaviour?
B) Add a static route for the 172.16.0.0/12 subnet
A) Disable the server on the internal VLAN
C) Change the default route to point to the extra firewall
D) Modify the default route of the servers to point to the BIG-IP device

F5 Networks 303 Exam - Topic 1 Question 30 Discussion

Actual exam question for F5 Networks's 303 exam
Question #: 30
Topic #: 1
[All 303 Questions]

A BIG-IP device is configured with both an internal external and two Corporate VLANs. The virtual server

has SNAT enabled and is set to listen on all VLANs Auto Last Hop is disabled. The Corporate users are on

10.0.0.0./24 and 172.16.0.0/12. The BIG-IP has a Self-IP on the 1.0.0.0.0./24 subnet.

Internet users are able to access the virtual server. Only some of the Corporate users are able to connect

to the virtual server A BIG-IP Administrator performs a tcpdump on the BIG-IP and verifies that traffic is

arriving from users in 10.0.0.0/24.

What should the BIG-IP Administrator do to correct this behaviour?

Show Suggested Answer Hide Answer
Suggested Answer: B

by Deandrea at May 15, 2026, 06:35 PM

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Shad
4 hours ago
Agreed! Without that route, traffic won't flow properly.
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Lawrence
5 days ago
I think option B makes sense. A static route could help reach the 172.16.0.0/12 subnet.
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Rex
10 days ago
Definitely check the default route settings too!
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Judy
16 days ago
Wait, why would some users connect and not others? That's weird.
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Coral
21 days ago
Disabling the server on the internal VLAN seems unnecessary.
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Veta
26 days ago
I agree, adding a static route could fix it!
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Jutta
1 month ago
Sounds like a routing issue with the 172.16.0.0/12 subnet.
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Shalon
1 month ago
Definitely check the VLAN settings too, could be a misconfiguration.
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Jaime
1 month ago
Wait, why is only some of the Corporate users having issues? That’s weird!
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Fletcher
2 months ago
Disagree, changing the default route (C) might cause more problems.
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Elin
2 months ago
I think adding a static route (B) is the way to go!
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Pauline
2 months ago
Sounds like a routing issue to me.
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Melita
2 months ago
I think disabling the server on the internal VLAN could cause more issues. It seems like the static route option might be the best choice, but I’m not entirely sure.
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Brandon
2 months ago
I’m a bit confused about the default routes. Shouldn’t they be pointing to the BIG-IP device for proper traffic flow?
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Shaunna
2 months ago
This question feels similar to one we practiced where we had to troubleshoot VLAN access. I think adding a static route might help, but I can't recall the specifics.
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Ruth
4 months ago
I remember something about SNAT and how it can affect routing, but I'm not sure if that's the main issue here.
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