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Some clients unable receive IP


Userlevel 6
Hi, all!

Have a simple configuration with internal DHCP.
1 client Sansung Galaxy receive IP 0.0.0.0.
Change radios as here - {previously referenced article has been archived}






In both rules Containment VLAN 4090.
Auth rules empty (alow all)
Nonauth rule below



Client below



Any ideas?

Thank you!

16 replies

Userlevel 6
Below screen with 2 clients - 1 normal, 2 can't receive IP



And make some changes with topologies

Userlevel 6
Also there is a lot of association requests for this Client

Userlevel 3
Hi,

maybe the Samusng can't do WPA2 AES ?

Please check if you can connect with this device with privacy none and then WPA2-psk +TKIP, and so on.

--
Jarek
Userlevel 6
Jarek wrote:

Hi,

maybe the Samusng can't do WPA2 AES ?

Please check if you can connect with this device with privacy none and then WPA2-psk +TKIP, and so on.

--
Jarek

Hi!

I changed WPA2 encription to Auto (AES+TKIP) - no changes,

Thank you!
Userlevel 2
Jarek wrote:

Hi,

maybe the Samusng can't do WPA2 AES ?

Please check if you can connect with this device with privacy none and then WPA2-psk +TKIP, and so on.

--
Jarek

Based on association requests can you check basic rates?
Is the open SSID works for them?
Userlevel 7
Let me guess..... a Samsung Galaxy A2 !?

Disable MFP in the WLAN Service.

Cheers,
Ron
Userlevel 6
Hello, all!

great thanks for all for quick help - issue resolved.
Special thanks for Ronald - it was MFP.

Client is Samsung Galaxy J7.

First tryed with open SSID - all work fine.
After disable MFP in WPA2 - all work fine

Thank you!
Userlevel 7
For Reference: https://gtacknowledge.extremenetworks.com/articles/Solution/Certain-devices-not-connecting-to-WPA2-P...
Userlevel 6
Thank you, Doug!
Userlevel 7
No problem. I add these little references in so if someone in the future does a search and hits this same topic, they have a place to go for more information. We continue to evolve these knowledge articles as time goes on so there may be more devices that we can add to the environment list (or remove if new drivers resolve).
Userlevel 6
If it possible, please, add that this resolution work with 2,4 GHz too.

Thank you!
Userlevel 7
Done, thanks for helping make our knowledgebase better 🙂
Userlevel 6
I think it's better change Title of this article.
Because, only one symptom talk about 5 Ghz. (In the other two is not written about the frequency)
But, when people looking for this issue in Knowledge base they look at the title.

Thank you!
Userlevel 7
No problem...
Userlevel 7
Changed to: Some devices are not connecting to a WPA2-PSK service when Management Frame Protection is enabled
Userlevel 5
Agreed. Thanks Alexandr P.

I just wanted to provide more info on the process and how our articles are initially written. When an issue or question is presented or fixed, an article is written specific to that question/problem. Over time, if more issues are seen on other versions, hardware, clients, etc, then the KB article is edited and "evolved".

If a problem is found on 5ghz clients and a specific version, it's written as such and then edited later as similar problems may be reported with different variables.
All input helps improve the collective knowledge! It is a large task and we are always trying to stay on top of it, thank you for being part of the process!

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