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Wireless clients re-association disconnects

Unanswered Question
Jul 2nd, 2014
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Hi, we use a 5508 (7.3.112.0) and 3502i APs.

 

We are having an issue where multiple clients connecting to a single AP(Like in a training room) are being disconnected or generally having a poor user experience.

 

I have attached a debug of a failed session, I ran a ping simultaneously to the client also attached

 

Roaming aggressiveness is set to 3.medium

 

Any ideas?

 

Thanks

Brendan

 

 

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Leo Laohoo Wed, 07/02/2014 - 22:50
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I'd upgrade to 7.6.120.X.

Brendan Marmont Thu, 07/03/2014 - 18:55
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Thanks Leo, I had a quick read through the revision notes, there is nothing there that points to the type of behavior we are experiencing, have you had this type of issue in the field and this is what resolved the problem?

chrebert Thu, 07/03/2014 - 19:33
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Hello Brendan,

You have posted in the Small Business Forums, and we don't usually support the Aironet APs.

You will probably have better luck getting an answer if you move your post to the Wireless Mobility section.

Thank you for choosing Cisco,

Christopher Ebert - Advanced Network Support Engineer

Cisco Small Business Support Center

mohanak Fri, 07/04/2014 - 01:33
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Try this: http://www.cisco.com/en/US/products/ps6366/products_qanda_item09186a00808b4c61.s html

The ability to configure the WPA-Handshake timeout through the WLCs was integrated in software release 4.2 and later. You do not need this option in earlier WLC software versions.

 

These commands can be used to change the WPA Handshake timeout:

 

    config advanced eap eapol-key-timeout <value>

    config advanced eap eapol-key-retries <value>

The default values continue to reflect the WLCs current behavior.

 

   - the default value for eapol-key-timeout is 1 second.

   - the default value for eapol-key-retries is 2 retries

Note: On IOS APs, this setting is configurable with the dot11 wpa handshake command.

 

You can also configure the other EAP parameters with the options under the config advanced eap command.

 

(Cisco Controller) >config advanced eap ?

 

eapol-key-timeout

   Configures EAPOL-Key Timeout in seconds.

eapol-key-retries

   Configures EAPOL-Key Max Retries.

identity-request-timeout

   Configures EAP-Identity-Request Timeout in seconds.

identity-request-retries

   Configures EAP-Identity-Request Max Retries.

key-index

   Configure the key index used for

   dynamic WEP(802.1x) unicast key (PTK).

max-login-ignore-identity-response 

   Configure to ignore the same username count

   reaching max in the EAP identity response

request-timeout

   Configures EAP-Request Timeout in seconds.

request-retries

 

 

But again, these timings are during an authentication for the uni-cast key, not the group key (multicast/broadcast key).

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