dhcp and dns

Dear Experts;

In office we have a wireless network for the lan, and also for internet, broad band modem is functioning as dhcp server hence the ip is released to the laptop and gets connected to the internet in home for internet broad band connection have a wireless router and ip is released to the laptop and intenet is connected. in branch office wirless router is disabled with the dhcp hence manually ip address has to be assigned for the internet to work. if done that in the branch office internet works and if we reach main office and home internet does not work. hence again should change change the adapter seetings to obtain automatically only then internet works. Please suggest me what would be the best option so that every time i need not change the ip address settings in all the places the internet will work automatically.
As per my knowledge should enable the dhcp in the branch/site offices so that all the places the internet works automatically. Please suggest if any better option available. Thanks in advance.
D_wathiAsked:
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vikrantambhoreCommented:
You Must enable the dhcp in the branch/site offices so that all the places the Your LAP-TOP will Get IP from DHCP Server & internet will works automatically without any changes on Your Laptop


HTH

VIkrant
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NenadicCTOCommented:
If you are not able to enable DHCP in branch office, you can use Alternate Configuration on the TCP/IP Properties of the wireless adapter.

1. Configure the wireless card to automatically obtain IP and DNS settings.
2. OK and go back into properties.
3. You will see a tab called Alternate Configuration (see attached image).
4. Click on that and configure the settings for your branch office.

That should ensure that your adapter attempts DHCP first, then resolves to use a statically configured address.  Remember that if you set laptop to sleep in branch office and turn it back on at home, you may need to reset the adapter, to force it to reconnect again.  But, you won't need to add settings again.

 Wireless adapter configuration
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DHCP

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