China DOS Union

Found online, I forgot who wrote it because I've been using it for a long time!

@echo off
:::::::::Read the local MAC address
if exist ipconfig.txt del ipconfig.txt
ipconfig /all >ipconfig.txt
if exist phyaddr.txt del phyaddr.txt
find "Physical Address" ipconfig.txt >phyaddr.txt
for /f "skip=2 tokens=12" %%M in (phyaddr.txt) do set Mac=%%M
:::::::::Read the local IP address
if exist IPAddr.txt del IPaddr.txt
find "IP Address" ipconfig.txt >IPAddr.txt
for /f "skip=2 tokens=15" %%I in (IPAddr.txt) do set IP=%%I
:::::::::Bind the local IP address and MAC address
arp -s %IP% %Mac%
:::::::::Read the gateway address
if exist GateIP.txt del GateIP.txt
find "Default Gateway" ipconfig.txt >GateIP.txt
for /f "skip=2 tokens=13" %%G in (GateIP.txt) do set GateIP=%%G
:::::::::Read the gateway MAC address
if exist GateMac.txt del GateMac.txt
arp -a %GateIP% >GateMac.txt
for /f "skip=3 tokens=2" %%H in (GateMac.txt) do set GateMac=%%H
:::::::::Bind the gateway MAC and IP
arp -s %GateIP% %GateMac%
exit

The guy upstairs, what I'm talking about is this batch processing one, there's a problem with this...