Batch file for setting a new dns server
@echo off
rem usage: setdns <dnsserver> <interface>
rem default dsnserver is dhcp
rem default interface is Wi-Fi
set dnsserver="%1"
if %dnsserver%=="" set dnsserver="dhcp"
set interface="%2"
if %interface%=="" set interface="Wi-Fi"
echo Showing current DNS setting for interface a%interface%
netsh interface ipv4 show dnsserver %interface%
echo Changing dnsserver on interface %interface% to %dnsserver%
if %dnsserver% == "dhcp" netsh interface ipv4 set dnsserver %interface% %dnsserver%
if NOT %dnsserver% == "dhcp" netsh interface ipv4 add dnsserver %interface% address=%dnsserver% index=1
echo Showing new DNS setting for interface %interface%
netsh interface ipv4 show dnsserver %interface%