Wireless connections

I have an office with Gigabit  Ethernet connections to all workstations, including a dozen laptops.  DHCP is done via the Domain controller.

As of now they have to connect to the wireless  router with DHCP  and use VPN to log in.

How can I add a wireless router to let the laptop users undock and continue working via the wireless without VPN ?
Tim DawsonIT ManagerAsked:
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tankergoblinCommented:
What AP you are using and is the AP locate in the same geographic area? So you mean you want your AP act like a switch am i right? any restriction please specify.
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Tim DawsonIT ManagerAuthor Commented:
Sorry not sure what you mean by AP.
All is in the same building.
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tankergoblinCommented:
ok.  AP=access point is your wireless router. so your problem now is user can connect to the wireless router then what happen. And what is your wireless router brand and model
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Tim DawsonIT ManagerAuthor Commented:
Ah ok, sorry.  Linksys EA4500.   It has a separate IP from the modem and does DHCP to the user.
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tankergoblinCommented:
I thought you say DHCP is from domain controller?
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tankergoblinCommented:
Seperate ip means what ? are they in the same segment? if possible show me the diagram of your network structure.
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Tim DawsonIT ManagerAuthor Commented:
Yes when they are docked via the wire.   Undocked they have DHCP from the wireless router, and have to user VPN to get back to the LAN
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Hypercat (Deb)Commented:
If you want your users to be able to connect wirelessly to your internal network without using a VPN connection, you would have to place a wireless access point inside your firewall, connected to your internal network and using your DC as the DHCP server.  This of course is a big security hole if you're not careful, so you'd have to make sure that it's well secured using encryption and a complex passphrase to allow your users to connect to it.
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tankergoblinCommented:
so is that what you want or you dont want them to access via vpn
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Tim DawsonIT ManagerAuthor Commented:
Ok, I understand the wireless connection inside the firewall.  Now when they are docked what connection do they use to have the same IP ?
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Tim DawsonIT ManagerAuthor Commented:
Maybe this diagram will help.
20140829154051718.pdf
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tankergoblinCommented:
Try to disable your dhcp in your wireless router. and make sure your wireless router is in 172.198.12.x as i assume you are using 255.255.255.0. what do you mean by docked? What ip is your client use?
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Hypercat (Deb)Commented:
Yes, make sure you disable the DHCP on the wireless router, give it a static IP address on your 192.168.12.x subnet, and then when the laptop connects to this wireless access point it will get an IP address in the same subnet (192.168.12.x) as it has when connected by wire and will still be communicating with your internal network.
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Tim DawsonIT ManagerAuthor Commented:
Ok cool.  Will there be an issues with open files on the network when the switchover occurs ?
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Tim DawsonIT ManagerAuthor Commented:
Answered my own question on the last one.
Thanks guys.  I think I've got it now.
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