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Author Topic: Samsung Galaxy S4  (Read 9066 times)

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Offline Michael McNamara

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Samsung Galaxy S4
« on: May 29, 2013, 05:37:51 PM »
Having issues with the new Samsung Galaxy S4 connecting to an open/open WLAN on a Motorola RF7000 (v4.4) with AP650s.

http://blog.michaelfmcnamara.com/2013/05/samsung-galaxy-s4-and-motorola-wireless-lan-switches/

It looks like there's some tag in the Association Request that's causing the wireless infrastructure to choke with an "Unspecified error".

Any thoughts?
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Offline David

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Re: Samsung Galaxy S4
« Reply #1 on: May 30, 2013, 05:15:05 AM »
This is an older version, we are now version 5.4. We need to know how it behaves with this latest version.
Motorola will ask anyway to make an update in latest version.

Offline Michael McNamara

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Re: Samsung Galaxy S4
« Reply #2 on: May 30, 2013, 08:42:54 AM »
Hi David,

I believe Motorola still recommends v4.4.x for those with AP300s in their environment. If you no longer have AP300s in your environment then Motorola recommends v5.x.

Since you responded are you able to test the Samsung Galaxy S4 in a WiNG 5 environment?

Cheers!
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Offline David

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Re: Samsung Galaxy S4
« Reply #3 on: May 30, 2013, 09:11:27 AM »
Hi MichaŽl,

Unfortunately I don't have a Samsung S4 phone to test in WING5.

Cheers !

David

Offline Michael McNamara

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Re: Samsung Galaxy S4
« Reply #4 on: May 31, 2013, 10:01:20 AM »
Apparently the problem doesn't exist on a WS5100 running v3.3.2.0-010Ri with AP300s.

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Offline Michael McNamara

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Re: Samsung Galaxy S4
« Reply #5 on: June 02, 2013, 10:38:36 PM »
I've updated the original blog post with the analysis and explanation from Motorola.
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Offline MWG

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Re: Samsung Galaxy S4
« Reply #6 on: June 07, 2013, 08:39:01 AM »
Here are the findings from Motorola engineering:

The Association Request from the Samsung Galaxy S4 phone has the RRM (Radio Resource Management/802.11k) capability element missing, but the Capabilities Info Bitmap in the Association Request says that the client can do RRM, so there is a mismatch and we deny association in WiNG4.x. In WiNG5.x, the RRM implementation is different and we donít enforce such a strict check to avoid situations such as these where clients might not be following the 802.11k specification properly. In WiNG 3.x, there is no support for RRM, so there are no such checks enforced.

Offline Michael McNamara

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Re: Samsung Galaxy S4
« Reply #7 on: June 25, 2013, 09:21:08 AM »
There is a patch available from Motorola that addresses this problem... although you'll need a maintenance contract.
We've been helping network engineers, system administrators and technology professionals since June 2009.
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