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A customer has deployed an AOS 10 mobility gateway cluster consisting of three controllers at a single site The WLAN is configured to tunnel wireless device traffic to the AOS 10 mobility cluster. The clients are authorized to use WPA2-Personal. An end-user has opened a ticket with the helpdesk stating they cannot connect their client device to the network. There are other devices currently associated with the SSID with no issues.
Reviewing the output, what Is the issue?
Suggested Answer: C
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The issue indicated by the output is an invalid pre-shared key (PSK). The logs show multiple failures during the WPA2 key exchange process, which points to a mismatch between the PSK configured on the client device and the PSK expected by the AOS 10 mobility gateway.
33 comments · newest first
FI
Filiberto
11 months ago
Definitely check the certificate too, just in case.
KA
Karan
11 months ago
Transition mode? I didn't even know that was a thing!
RI
Rima
11 months ago
Wait, could it be the RADIUS response instead?
CO
Cornell
12 months ago
I agree, invalid PSK is a common problem.
LA
Lashanda
12 months ago
Sounds like a pre-shared key issue.
DI
Diego
12 months ago
Transition mode not being enabled sounds familiar, but I can't recall if it would directly impact a single client's ability to connect when others are fine.
PA
Paz
1 year ago
I think I read something about invalid certificates causing connection issues, but since this is WPA2-Personal, I'm not sure if that applies here.
TO
Toshia
1 year ago
This reminds me of a practice question where the pre-shared key was the problem. I wonder if that's what's happening with this client device.
LU
Ludivina
1 year ago
I remember studying about RADIUS responses and how they can affect authentication, but I'm not entirely sure if that's the issue here.
VA
Van
1 year ago
This is a good test of my wireless troubleshooting skills. I'll need to think through the possible causes systematically and consider the details provided in the question. The output will be key to identifying the root issue.
AL
Alison
1 year ago
Okay, let's see here. Based on the information given, it seems like the issue is likely related to the client device itself, either an invalid certificate or pre-shared key. I'll focus on those two options and try to eliminate the others.
WH
Whitley
1 year ago
Hmm, I'm a bit unsure about this one. The question provides some good context, but I'm not entirely familiar with the AOS 10 mobility gateway and the specific troubleshooting process. I'll need to think through the options carefully.
DA
Darci
1 year ago
This looks like a pretty straightforward question about troubleshooting a client connection issue on a WPA2-Personal WLAN. I'll need to carefully review the output and consider the possible causes mentioned in the answer choices.
CR
Cristal
1 year ago
I'm feeling pretty confident about this one. The question gives me a good understanding of the network setup and the problem the end-user is facing. I'll carefully review the answer choices and select the one that best matches the information provided.
NI
Nieves
1 year ago
I think the key here is to proactively communicate with the stakeholders and get their buy-in. Sending meeting invitations well in advance and then conducting a review of the plan with them to get their feedback seems like the most effective approach.
EL
Elvera
1 year ago
Okay, let's think this through. Black box testing is focused on the external behavior of the system, not the internal structure. So if the question is asking whether black box testing determines the expected results, that sounds like the right answer to me.
EU
Eulah
1 year ago
This question is tripping me up a bit. I know FERPA is about student privacy, but I'm having trouble remembering the specific details around when written permission is needed. I'll have to review my notes and try to reason through the options.
PA
Paola
2 years ago
Hey, at least the other devices are connected. This client must have forgotten their password or something. Happens to the best of us!
AR
Aron
2 years ago
What's up with these client devices and their invalid certificates? That's like trying to use a flip phone in 2023.
ED
Edgar
2 years ago
What's up with these client devices and their invalid certificates? That's like trying to use a flip phone in 2023.
MA
Makeda
2 years ago
A) The RADIUS response from the authentication server is
CY
Cyril
2 years ago
I think the RADIUS response from the authentication server could also be a potential issue causing the connection problem.
HU
Huey
2 years ago
I believe the issue could also be related to the transition mode not being enabled.
VE
Veronique
2 years ago
I agree with Sharen, the client device might not be able to connect due to an invalid pre-shared key.
EV
Evangelina
2 years ago
Hold up, is transition mode not enabled? That would definitely cause connectivity issues. I bet that's the problem here.
SH
Sharen
2 years ago
I think the issue might be with the client device having an invalid pre-shared key.
OR
Oretha
2 years ago
Hmm, the RADIUS response from the authentication server could be the culprit. Maybe the server is down or misconfigured.
RI
Ria
2 years ago
B) The client device has an invalid certificate
IN
India
2 years ago
Hmm, the server might be down or misconfigured.
LI
Lindsey
2 years ago
A) The RADIUS response from the authentication server is
MA
Marilynn
2 years ago
The issue is definitely the invalid pre-shared key on the client device. That's the most common problem with WPA2-Personal networks.
SH
Shonda
2 years ago
B: Yes, that's a common issue with WPA2-Personal networks.
CA
Carry
2 years ago
A: Have you checked if the client device has an invalid pre-shared key?