Apr 012010
 


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>

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

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  8 Responses to “How to clear ARP Cache in windows 7/Vista/XP/2000/Server 2003/2008”

  1. Windows Server 2008 x64 denies to add static entry for the primary Gateway. Even after removing the dynamic entry, there is no success in arp -s gw_IP gw_MAC interface_IP.
    With Server 2003 I didn’t have any problems though.

  2. I got connected my vista business pc with ninernet & it was updated some thing. then the system drive filled by something and displays as low memory on that drive. it is continuously filling and increasing the used capasity as unbelivable.

  3. Thanks for Help 100 % helpful for me

    thanks & regards,
    veeramani nk

  4. thx for information…
    its very helpfull for me

  5. thanks info was helpful, say I’m a low level it guy at my company but see an opportunity to advance with the right external resources does anyone have any it troubleshooting software resources or forums with knowledgeable and timely responses to inquiries any information would be very much appreciated and you can email me @ classifiedkin@yahoo.com thanks

  6. ****Update to previous post please note the new email address as email address in prior post was incorect******
    thanks info was helpful, say I’m a low level it guy at my company and I troubleshoot mobile device connectivity “mobile phones, laptops” but see an opportunity to advance with the right external resources does anyone have any it troubleshooting software resources or forums with knowledgeable and timely responses to inquiries any information would be very much appreciated and you can email me @ classifiedking@yahoo.com thanks

  7. Worked, thanks.

  8. Worked, thanks.

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