How do i clear the arp cache?

Question

How do i clear the arp cache?

Answer 1

To flush/Delete the ARP cache in windows Vista/XP/2003/2000 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 comm

and

arp -d <ip address>

Example

arp -d 10.1.1.2

Display arp table

arp -a

Add static entry to ARP table

arp -s <ip address> <mac address>

Example

arp -s 157.55.85.212 00-aa-00-62-c6-09