ARP cache in windows 7/Vista/XP/2000/Server 2003/2008

Thu, 15 Dec 2011 10:30:00 GMT

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 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

Mapped Drive Connection to Network Share May Be Lost

Mon, 14 Nov 2011 18:56:00 GMT

Command Line Fix NOTE: If you use this method, you may turn off the autotuning feature for the Server service. To change the default time-out period for the autodisconnect feature of the Server service, open a command prompt, type the following line, and then press ENTER net config server /autodisconnect:number where number is the number of minutes that you want the server to wait before it disconnects a mapped network drive. The maximum value for this command is 65,535. NOTE: If you set the autodisconnect value to 0 (zero), the autodisconnect feature is not turned off, and the Server service disconnects mapped network drives after only a few seconds of idle time. To turn off the autodisconnect feature, open a command prompt, type the following line, and then press ENTER: net config server /autodisconnect:-1

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ARP cache in windows 7/Vista/XP/2000/Server 2003/2008

Mapped Drive Connection to Network Share May Be Lost