DHCP Search timeout / Multi-homing

[Jack B. Pollack]

I have a laptop that I use at several locations. Most of the locations use a

DHCP, but a few require fixed IPs.

I have the NIC set for DHCP with the alternate settings set to the fixed IP

info. This works fin except it takes the computer 60 seconds or so before

the search for DHCP times out and it defaults to the fixed settings.



Is there a way to reduce the DHCP search timeout so it will default to the

fixed settings faster?



If not, I have been looking into multi-homing the NIC.

I tried setting



HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSetServices\Tcpip\Parameters\Interfaces\(MYNIC)

IPADDRESS Key =

0.0.0.0

192.168.1.50



SubNetMask Key =

0.0.0.0

255.255.255.0



I rebooted, but if there is no DHCP server it is not using the static IP.

I also did a ipconfig /all but do not see the fixed IP

 

[John Wunderlich]

"Jack B. Pollack" wrote in

news:O092gcZ0KHA.3676@TK2MSFTNGP05.phx.gbl:



> I have a laptop that I use at several locations. Most of the

> locations use a DHCP, but a few require fixed IPs.

> I have the NIC set for DHCP with the alternate settings set to the

> fixed IP info. This works fin except it takes the computer 60

> seconds or so before the search for DHCP times out and it defaults

> to the fixed settings.

>

> Is there a way to reduce the DHCP search timeout so it will

> default to the fixed settings faster?

>

> If not, I have been looking into multi-homing the NIC.

> I tried setting

>

> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSetServices\Tcpip\Parameter

> s\Interfaces\(MYNIC) IPADDRESS Key =

> 0.0.0.0

> 192.168.1.50

>

> SubNetMask Key =

> 0.0.0.0

> 255.255.255.0

>

> I rebooted, but if there is no DHCP server it is not using the

> static IP. I also did a ipconfig /all but do not see the fixed IP



IMHO, the best solution for you is a networking switching program like:

"Free IP Switcher 1.0"

http://www.eusing.com/ipswitch/free_ip_switcher.htm



Alternatively, you can set up several .bat files with a bunch of

customized 'netsh' commands such as:



netsh interface ip set address name="Local Area Connection" source=dhcp



which you run depending on your location.



HTH,

John