tablets canot connect to network

I have 5 android devices that received ip addresses from an access point. They worked before and I had to install a new access point with the same settings and everything. The devices have trouble reconnecting. I physically was able to connect a few but all except for 1 device is still on the network. Another thing I noticed is  on those 5 tablets it has the same ssid twice. But when I go to advance settings it only has it once. Any suggestions on how to remedy the issue and get them back on the network?

Thank you
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avib27Asked:
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jmcgOwnerCommented:
Showing the "same" SSID twice makes me suspect that they're not the same SSID, but some subtle difference exists which you can't easily see.

These devices are getting their IP addresses "automatically" (that is, using DHCP), right? When they get an IP address, they get a lease expiration time, which can often be on the order of a day or more. If your new AP is also the new DHCP server, conflicts could arise between leases the devices thought they had and what the new AP thinks.

On solution is to try again tomorrow, by which time the leases should have expired.

If that doesn't sound attractive, you'll need to go over the DHCP settings in your new AP and perhaps select a new range or even change the SSID to give the tablets a clean slate to work with.
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avib27Author Commented:
I put the Mac addresses into the ap as reserved set IP addresses
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jmcgOwnerCommented:
Alright then, there's not enough information here for detailed debugging.

You say you got some of the tablets to connect, I'm not sure what you meant by "physically".

Do the tablets, once you've successfully connected, stay connected?

Does the AP show the tablets in its DHCP client list?

Do the tablets have to authenticate to the AP?

When the tablets fail to connect is there any indication as to why?
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avib27Author Commented:
Found the Issue, There was a second router there which they thought was "taken"

Thank you for the suggestions..
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avib27Author Commented:
I've requested that this question be deleted for the following reason:

I found my issue was a second AP I had no idea that was there
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jmcgOwnerCommented:
No objections. Glad you were able to find a satisfactory resolution.
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avib27Author Commented:
Quick question, Do you think the device that was messing up the network would work as a wifi extender properly if it was set up correctly or should I not even try?
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jmcgOwnerCommented:
Depends on whether the stray AP can be set to act as an extender. Some devices come with a setting to support this mode. Others are amenable to loading 3rd party firmware such as DD-WRT which can then be set up in extender mode. Most older devices can't do it; I hesitate to guess whether more modern devices commonly come with this option.

It's worth taking a look.
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avib27Author Commented:
The thing is when I hard reset it, it came up saying it an extender and gave off DHCP so I assume the person put the ssid, password and prayed. Its a Linksys RE1000
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jmcgOwnerCommented:
Google tells me that model is a range extender. Unfortunately, it has a property called "Virtual MAC addressing" which makes it a pain to use in a DHCP regime:
    RE1000 breaks MAC filtering and IP address reservation? [community.linksys.com]
Two DHCP reservations for every device that can potentially come through the RE1000.

There's an app you might like to download on at least one of your tablets:
    Wifi Analyzer [play.google.com]
It would have helped you find the extra AP.
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avib27Author Commented:
Thanks for the information, What a pain, I guess I'll buy a simple range extender so the network won't get messed up again..
That app helped me find that other network.. Btw it came up the extender is Belkin but it's a linksys
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jmcgOwnerCommented:
Btw it came up the extender is Belkin but it's a linksys
I don't know how anyone can keep track, the way these companies keep buying each other: BELKIN COMPLETES ACQUISITION OF LINKSYS [belkin.com - 2013]
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avib27Author Commented:
That's really wild and I thought Linksys worked with Cisco
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jmcgOwnerCommented:
Maybe we should not ask the moderator to delete this question. You could accept just your posting at #a41066404 (zero points) and leave this information available for others who are searching for similar problems.
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avib27Author Commented:
Sounds like a plan, Thank you for all your help :)
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avib27Author Commented:
I accept my own solution because I found a second access point that was messing up the network..
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