Tip: How to set a Static IP from the Command Prompt and setting it back to DHCP.

[newtekie1]

I have a friend that carries his laptop back and forth between his home and his office. At the office he has to use a static IP, and at home the static IP doesn't work so he has to use DHCP(or set a static IP that does work). So a did a little research and found out how to set a static IP via the command prompt and then how to remove that static IP and go back to DHCP.

The command lines to set a static IP are:

netsh int ip set address "<connection_name>" static <static_ip> <subnet_mask> <default_gateway> 1
netsh int ip set dns "<connection_name>" static <primary_dns> primary

So it would look like this:

netsh int ip set address "local area connection" static 10.0.0.100 255.0.0.0 10.0.0.1 1
netsh int ip set dns "local area connection" static 10.0.0.1 primary

The command lines to set everything back to DHCP are:

netsh int ip set address "local area connection" dhcp
netsh int ip set dns "local area connection" dhcp

I've included a zip file with two bat files that do this that I created for him so he doesn't have to run the commands manually every time he moves between the office and his home.

Hopefully someone else finds this useful.

 

[PVTCaboose1337]

I have a bat just like this that I made a while back. Never though anyone else would automate something like this.

I tried for a while to get it to recognize if it was at school or my home, but it was too tricky to do in just batch commands.

Anyway I tried to do like:

If netsh show mode = online then
exit
else
netsh static address here
    If netsh show mode = online then exit
    Else netsh dhcp stuff here
    exit
    end if
end if

Never got it to work though.

Edit: Forgot a lot of the logic, had it switch between, but again, never worked.
EDIT2: Yeah he only really need 1 batch file if you follow my pseudo code. (and run it at startup for epic win)

 

[newtekie1]

Yeah, I tried to automate it too, but it just became too much of a hassle so I said screw it.