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Wifi Acces from Android Tablet

Posted on 2011-10-17
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Last Modified: 2012-05-12
I have just received a new Lenovo Thinkpad Android Tablet and am having issues with wireless access from it while at work.

The wireless access point is identical to what I have running at home where wireless is working from the Tablet.  The main difference between the two setups is that at home the wireless access point is also my DHCP server but at work it is not.  

Setting a static IP address at work does not resolve the issue.  I installed an app where i can perform a ping from the tablet and I get a "Destination is Unreachable" returned.
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Question by:iandjourdain
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by:Purple_Tidder
ID: 36983549
Any chance they are using mac address filtering on the wifi?  Usually mac filtering would cause a client to not even establish a connection but I've seen some implementations where they will associate with the network but will not pass traffic.

Other than that, no clue and look forward to other experts ideas.
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Expert Comment

by:Aaron Tomosky
ID: 36983565
They could Have all sorts of stuff at work to not allow your tablet. Best thing would be to ask the network admin
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Author Comment

by:iandjourdain
ID: 36983577
MAC filtering is not taking place.  I can connect other devices such as iPhones, iPads, and Windows mobile devices without issue along with standard laptops.  I have no other Android based devices from which I can test.

I am the network admin and have not set anything up to deny devices connecting.
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by:Kenmcse1969
ID: 36983582
I agree with aaron, sounds like you work at a small company so chatting with the Admin shouldn't be very hard.
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by:Aaron Tomosky
ID: 36983583
Well if your the admin then let's run through a few things.
Is the ip you gave conflicting?
What is the security setup? Wpa tkip or wpa2 aes? Mucin those is bad.
2.4 or 5ghz? If both then try the other.
What type of access point?
Radius?
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Author Comment

by:iandjourdain
ID: 36983630
I would prefer not to use a static IP but as the DHCP adress is not being handed out I thought I would try it.  The static address is not conflicting.  It is in a range that is outside the DHCP range and not within the range we use normally for static IP's. I have run a scan across out network and confirmed the static IP address is not being used.

The wireless access point is a Netgear DG834G.  it is set to use WPA-PSK (TKIP) using b & g mode.  Same device at home with the same settings apart from SSID and preshared key. The device at home works without issue.

The wireless settings on the tablet show as 'connected' but also 'acquiring address'.  The DHCP server is running Server 2003 and is also out DNS server.  The gateway server is a different address.
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by:Aaron Tomosky
ID: 36983636
Can you turn off b? That slows stuff down, and can cause problems.
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by:Purple_Tidder
ID: 36983637
Does your key or SSID have spaces in it?  I know this sounds stupid but I've had an issue with a Motorola Droid 2 that would do some strange things until I removed the spaces in the wireless key and SSID.
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Author Comment

by:iandjourdain
ID: 36983640
No spaces in either the SSID or key.
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by:Purple_Tidder
ID: 36983652
Special characters?  I know this is venturing a little far but I've experienced an iPhone issue with a Linksys (E2000 I think?) with a ! in the key.  I have no real knowledge on this subject, just weird experiences... :)

Hopefully I'm not leading this in the wrong direction.
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by:Purple_Tidder
ID: 36983653
One more thought.  Are the firmware versions of your home and office devices the same?
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Author Comment

by:iandjourdain
ID: 36983659
I would expect them to be the same as they were purchased from the same supplier at the same time and I have not performed any upgrades to either.
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Author Comment

by:iandjourdain
ID: 36983669
The key is a series of numbers and letters, no other characters.
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Expert Comment

by:Kenmcse1969
ID: 36983680
Do you have any other tablets or Android Phones you can compare. If they all connect and the new tablet doesn't, its probably something with the tablet and not the wireless.

What I would do in your case is possibly create another SSID with open authentication and see if it works..
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Author Comment

by:iandjourdain
ID: 36983695
I just got a coleague who has an Android phone to test and his device is hunting for an IP address as well.  The phone is using Android 2.2.
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Expert Comment

by:Purple_Tidder
ID: 36983741
Is it WPA/WPA2 mixed or just WPA?
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Author Comment

by:iandjourdain
ID: 36983748
WPA only.
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Expert Comment

by:Kenmcse1969
ID: 36988284
Just off chance, have you looked at the firmware to see if there is an update? There is a possibility that the version and the WPA setup is having compatibility issues with the Androids.

Have you tested with an Open test SSID to be certain it is your security settings.
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Accepted Solution

by:
iandjourdain earned 0 total points
ID: 36990195
I have resolved this by setting up a new wireless unit.  The time to do this was more cost effective than pursuing resolving this issue.
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Author Closing Comment

by:iandjourdain
ID: 37013610
I added a new wireless access point.
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Expert Comment

by:Purple_Tidder
ID: 36990327
Sometimes there's no way around it and new hardware is the answer.  Thanks for letting us know.
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