posted on December 15, 2011 05:30
The Address Resolution Protocol (ARP) is very crucial for TCP/IP network communication. If you begin to notice network connectivity problems such as particular web pages not loading or not being able to ping certain IP addresses then clearing your ARP cache is a good place to start.The TCP/IP ARP Command component provides the functionality to add, delete, or display the IP address for Media Access Control (MAC) address translation.
To flush/Delete the ARP cache in windows 7/Vista/XP/2000/Server 2003/2008 follow this procedure
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 command
arp -d <ip address>
arp -d 10.1.1.2
Display arp table
Add static entry to ARP table
arp -s <ip address> <mac address>
arp -s 126.96.36.199 00-aa-00-62-c6-09
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