To do arp binding Gateway in Windows.

1.Find the gateway address of local network segment, such as 192.168.1.1.

Cocuments and Settings>arp -a
Interface:192.168.1.5 --- 0x2
Internet Address Physical Address Type
192.168.1.1 00-01-02-03-04-05 dynamic

The gateway arp address is dynamic.

2.Write a batch file arpbinding.bat, which reads as follows.

@ echo off
arp-d
arp-s 192.168.1.1 00-11-22-33-44-55
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