Dell Latitude 6430u (Dell wifi 1504 card) issues when connecting to AP 121

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We recently purchased a few Latitude 6430u laptops for our customer using AP 121 access points and have been unable to obtain connection to the gateway using these devices. Windows states "limited connection" and when looking at network details there is no gateway resolved and we are unable to ping the gateway or any other network resource for that matter. All other devices we've connected to the AP 121 work fine and all other routers and APs allow the Latitude 6430u to connect. We've isolated the problem is connecting the Dell Wireless 1504 card in the Latitude's to the AP 121's. Has anyone else experienced this or have a possible resolution to this problem?
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Jason Maeser

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Posted 5 years ago

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Roy Verboeket, Sr. Sales Engineer

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Jason,

are you using Windows 8.1? I`ve seen similar Issues recently at a customer site.
We found a solution for it here :
http://en.community.dell.com/support-...

Seems that it is windows related. Did you try reverting the driver back to an older version?

Regards,

Roy
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Nick Lowe, Official Rep

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The Cisco issue is to with:

http://blogs.cisco.com/wireless/get-y...

https://supportforums.cisco.com/docs/...

http://support.microsoft.com/kb/2749073

This should not affect Aerohive as you never had a non-standard 802.11w (MFP) implementation.

The Dell forum appear to have barked up the wrong tree.
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Roy Verboeket, Sr. Sales Engineer

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Nick,

I`m only pointing towards a dell tech support item that helped a customer out with the same issues. In my customer case it was related to an update from Windows 8 to 8.1.

The solution in this case was an older driver as far as I`m aware. I`m not blaming windows at all in this case.
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Nick Lowe, Official Rep

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The Dell tech support posts give poor advice.

By reverting to an older driver, they forced 802.11w (MFP) to be disabled without realising why, ensuring that they never hit the interopability issues with Cisco's broken pre-standard implementation.

Aerohive offered standards based 802.11k/r/v/w with HiveOS 6.0 and it is off by default.

That should not be related to the Dell post you linked other than the action taken being to downgrade the driver. Surely there should be some root cause analysis, not laying blame anywhere until there is something evidential / tangible?