Click on Start—>Run—> type the following command click ok
netsh interface ip delete arpcache
Dynamic ARP cache entries update persist for 2-20 minutes depending on the system.
Windows 2003 Server = 10 minutes
Windows 2000 professional/Server = 10 minutes
Windows XP = 2 minutes
Solaris = 5 minutes
Delete IP address using arp comm
and
arp -d
Example
arp -d 10.1.1.2
Display arp table
arp -a
Add static entry to ARP table
arp -s
Example
arp -s 157.55.85.212 00-aa-00-62-c6-09
