DNS config Befehl für cmd.exe

Jop hab dazu sogar mal einen Batch file geschrieben...
moment hier ist der code:


echo off
color 02
title=[Nc] Net Config - {Active}
set ipadress=[Autodetect]
set mask=[Autodetect]
set gateway=[Autodetect]
cls
@echo Create Backup . . .
netsh dump >C:\backup.log
@echo Done !!
cls

set /P LANNAME=Connection Name {recommend "LAN-Verbindung"}:

:consource
cls
@echo Connection Source
@echo (1) static
@echo (2) dhcp
set /P choose=Source 1 or 2:
if /I "%choose%"=="1" set source=static & goto :goon
if /I "%choose%"=="2" set source=dhcp & goto :goon2
goto :consource

:goon
cls
@echo Name: %LANNAME%
@echo Source: static
set /P ipadress=IP Adresse {recommend "192.168.1.X"}:
set /P mask=Mask Adresse {recommend "255.255.255.X"}:
set /P gateway=Gateway {recommend "192.168.1.1"}:
cls
@echo Lan Name: %LANNAME%
@echo Source: %Source%
@echo IP Adress: %ipadress%
@echo Mask: %mask%
@echo Gateway: %gateway%
@echo.
@echo Press any key to begin
if /I "%1"=="" pause>NUL
title=[Nc] Net Config - {Working}
cls
@echo Lan Name: %LANNAME%
@echo Source: %Source%
@echo IP Adress: %ipadress%
@echo Mask: %mask%
@echo Gateway: %gateway%
@echo.
@echo Working . . .
@echo.
@echo Status:
ipconfig > %temp%\before.txt
netsh interface ip set address name="%LANNAME%" source=%source% addr=%ipadress% mask=%mask% gateway=%gateway% gwmetric=1
title=[Nc] Net Config - {Done}
@echo Press any key to proceed
if /I "%1"=="" pause>NUL
goto :goonjump
:goon2
cls
@echo Lan Name: %LANNAME%
@echo Source: %Source%
@echo IP Adress: %ipadress%
@echo Mask: %mask%
@echo Gateway: %gateway%
@echo.
@echo Press any key to begin
if /I "%1"=="" pause>NUL
title=[Nc] Net Config - {Working}
cls
@echo Lan Name: %LANNAME%
@echo Source: %Source%
@echo IP Adress: %ipadress%
@echo Mask: %mask%
@echo Gateway: %gateway%
@echo.
@echo Working . . .
@echo.
@echo Status:
netsh interface ip set address name="%LANNAME%" source=%source%
title=[Nc] Net Config - {Done}
@echo Press any key to proceed
if /I "%1"=="" pause>NUL
:goonjump
title=[Nc] Net Config - {Result}
ipconfig > %temp%\after.txt
cls
@echo ±±±±±±±±±±±±±±±±±±BEFORE:±±±±±±±±±±±±±±±±±±±
type before.txt
@echo ±±±±±±±±±±±±±±±±±±AFTER:±±±±±±±±±±±±±±±±±±±
type after.txt
@echo.
@echo Press any key to quit
if /I "%1"=="" pause>NUL
exit