Clear ARP Cache

To clear the ARP cache in Windows 2000/2003/XP and Vista, take the following steps:
Start button

then type in    netsh interface ip delete arpcache as per screen shot 1 and [ENTER]

If nothing happens try Start –>  Run  type  in cmd This takes you to a DOS screen  (see screen shot 2)

you enter   cd.. [enter] a couple of times until you are back to the  f:\ prompt

then enter the same   netsh interface ip delete arpcache and [ENTER]

Clearing the dynamic ARP cache entries takes between 2 and 20 minutes, depending on the system.

If this doesn’t work there are a few more ways to do it.

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