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Windows XP TCP/IP Alternate Configuration

A Notebook will be used on two differente netwoeks: at home using DHCP and at the office using a fixed IP address. I have tried the alternate configuration without success (maybe I'm missing something).
If I set the fix IP first, then the Alternate Configuration tab is not shown. If I set the dynamic first and set the fixed as alternate, I get a dynamic while at the office.

Any suggestion/advice/guidance?

JimsZ

if you have access to the dhcp server at the office, you can set your mac address to always give you the same ip address. Either that or talk to one of the IT professionals where you work and have them set it up. Then, anytime your mac address cconnects to the lan, you will get your static ip address

JimsZ

Either that or go into your router at home and change the subnet to the same subnet the one your work is on. That way you can set up static ip addressing wherever you are

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innovator_joel

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al-hasan

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simonenticott

Hi,
we use the configuration you are talking about, but i dont think its intended to be used if you have a DHCP server at work.
We don't as we use static addressing, but occasionaly a router gets misconfigured and it starts dishing out DHCP addresses and that stops all our laptop users getting addresses.

Jimsz's idea of having the DHCP server issue the same address should negate the need for the alternte configuration.

Simon,

Casinoguy

Now when you get the dynamic at the office is it actually a valid ip address meaning they have dhcp setup or is it an APIPA address 169.254.x.x?if so you can disable this by in the registry navigating to this key
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\ Services\Tcpip\Parameters\Interfaces\
then go to your adapter name and add the following key IPAutoconfigurationEnabled with the type of REG_DWORD and a value in hex of 0.
or if you'd rather just disable it totally on the workstation
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
and the add the IPAutoconfigurationENabled ey with the type of REG_DWORD and a value of 0 in hex.

Casinoguy

forgot to include that the first setting should be the DHCP and the second the fixed because you can type in a valid ip address as far as windows is concerned in the tcpip properties and plug into a network that is totally different and wont route it but windows still has a valid ip address so its happy.

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2hype

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Seelan Naidoo

how is DHCP configured at home..
do you have a DHCP server assigning addresses or a router asigning addresses?

miravinchi

We use a program called Mobile Net Switch for our users. It works great and will even allow users without admin rights to change IP information.

http://www.mobilenetswitch.com/

phermi

ASKER

Thanks to all for your valuable help.

Before closeing the question, is there then any usage for the Windowxs XP Alternate Configuration feature?

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Casinoguy

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