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A company has an AOS controller-based solution with a WPA3-Enterprise WLAN, which authenticates wireless clients to HPE Aruba Networking ClearPass Policy Manager (CPPM). The company has decided to use digital certificates for authentication. A user's Windows domain computer has had certificates installed on it. However, the Networks and Connections window shows that authentication has failed for the user. The Mobility Controller's (MC's) RADIUS events show that it is receiving Access-Rejects for the authentication attempt.
What is one place that you can look for deeper insight into why this authentication attempt is failing?
Suggested Answer: A
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40 comments · newest first
EL
Elena
11 months ago
Wait, why are they getting Access-Rejects? That’s surprising!
SA
Salley
11 months ago
Seems like a classic case of certificate issues.
MI
Micah
11 months ago
I’m not sure about that, the ClearPass Insight reports might have more details.
RO
Rochell
12 months ago
Definitely, the Access Tracker Alerts tab is super helpful too!
AR
Arletta
12 months ago
I’d check the RADIUS events in the CPPM Event Viewer.
DI
Dick
12 months ago
Capturing packets on the MC control plane sounds complicated, but it might help us see if the packets are being sent correctly. I'm not sure if that's the first step though.
JO
Johna
1 year ago
I feel like we practiced a similar question where we had to analyze RADIUS logs. I wonder if the Event Viewer would show us more details about the Access-Rejects.
MA
Malcolm
1 year ago
I think the Alerts tab in the CPPM Access Tracker could give us more specific insights into the authentication failures. It seems like a logical choice.
AM
Amie
1 year ago
I remember we discussed the importance of checking the CPPM Event Viewer for RADIUS events, but I'm not entirely sure if that's the best place to start.
CA
Cary
1 year ago
I'm feeling pretty confident about this one. I'll start by checking the RADIUS events within the CPPM Event Viewer, and then I'll move on to the other options if I don't find what I need there.
SH
Sherell
1 year ago
Okay, let me think this through. I think the packets captured on the MC control plane destined to UDP 1812 might hold the key to solving this problem.
EL
Elena
1 year ago
Aha, I've got it! The reports generated by HPE Aruba Networking ClearPass Insight should give me the information I need to figure out why the authentication is failing.
EV
Eveline
1 year ago
Hmm, I'm a bit confused about this one. I'm not sure where to look for the deeper insight. Maybe I should try the Alerts tab in the authentication record in CPPM Access Tracker?
HE
Hermila
1 year ago
This looks like a tricky one, but I think I can figure it out. I'll start by checking the RADIUS events in the CPPM Event Viewer to see if there are any clues there.
SH
Sherrell
1 year ago
Ah, the age-old question: where do you look when your wireless authentication is in the toilet? The answer, my friends, is simple - just throw the whole network out the window and start over. Saves a lot of time in the long run.
MA
Mariann
1 year ago
A) The reports generated by HPE Aruba Networking ClearPass Insight
KA
Kayleigh
1 year ago
C) The Alerts tab in the authentication record in CPPM Access Tracker
AR
Arlen
1 year ago
B) The RADIUS events within the CPPM Event Viewer
LE
Leigha
1 year ago
Seriously? You guys are looking in the wrong place. The reports generated by HPE Aruba Networking ClearPass Insight are where it's at. That's the ultimate source of truth, trust me.
CU
Curtis
1 year ago
C: Thanks for the tip, I'll check the reports for more information.
AR
Arlene
1 year ago
B: No, I haven't. I'll take a look there for deeper insight.
BE
Benedict
1 year ago
A: Have you checked the reports generated by HPE Aruba Networking ClearPass Insight?
LE
Leatha
1 year ago
Whoa, hold up! The Alerts tab in the authentication record in CPPM Access Tracker? That's where the magic happens, my friend. If there's a problem, that's where you'll find it.
AL
Alishia
1 year ago
C: Good idea. That's usually where you can get more insight into what's going wrong.
RO
Rosio
1 year ago
B: No, I haven't. I'll take a look there to see if I can find out why the authentication is failing.
SA
Sabina
1 year ago
A: Have you checked the Alerts tab in the authentication record in CPPM Access Tracker?
TE
Tegan
1 year ago
I dunno, the packets captured on the MC control plane destined to UDP 1812 could give you some pretty juicy details. You might find something the CPPM event logs are missing.
CA
Carol
1 year ago
C: The Alerts tab in the authentication record in CPPM Access Tracker could also give some insights.
DO
Dortha
1 year ago
B: I think looking at the RADIUS events within the CPPM Event Viewer might provide more information.
DA
Daron
1 year ago
A: Have you checked the reports generated by HPE Aruba Networking ClearPass Insight?
AL
Alysa
2 years ago
The RADIUS events within the CPPM Event Viewer seem like the obvious choice here. That's where I'd start looking for more details on the authentication failure.
LA
Lauran
1 year ago
It might be worth checking the packets captured on the MC control plane destined to UDP 1812 for more details.
DO
Dorethea
1 year ago
I think looking at the reports generated by HPE Aruba Networking ClearPass Insight could also provide some insights.
JA
Janae
1 year ago
Maybe there's some useful information in the Alerts tab in the authentication record in CPPM Access Tracker as well.
MA
Maurine
1 year ago
I agree, checking the RADIUS events within the CPPM Event Viewer is a good place to start.
DW
Dwight
1 year ago
User 2: Agreed, that's probably where we'll find more information on the authentication failure.
LA
Lavonna
1 year ago
User 1: I think we should check the RADIUS events within the CPPM Event Viewer.
SH
Sharmaine
2 years ago
I believe looking at the Alerts tab in the authentication record in CPPM Access Tracker could also help us understand the issue better.
JE
Jerrod
2 years ago
I agree with Derick, that could give us more insight into the authentication failure.
DE
Derick
2 years ago
I think we should check the RADIUS events within the CPPM Event Viewer.