APIPA (Automatic Private IP Addressing)

With APIPA, DHCP clients can automatically self-configure an IP address and subnet mask when a DHCP server isn’t available. When a DHCP clients boots up, it first looks for a DHCP server in order to obtain an IP address and subnet mask.

If the client is unable to find the information, it uses a APIPA to automatically configure itself with an IP address from a range that has been reserved especially for Microsoft. The IP address range is 169.254.0.1 through 169.254.255.254. The client also configures itself with a default class B subnet mask of 255.255.0.0. A client uses the self-configured IP address until a DHCP server becomes available.

The APIPA service also checks regularly for the presence of a DHCP server (every five mins, according to Microsoft). If it detects a DHCP Sever on the network, APIPA stops, and the DHCP server replace the APIPA networking addreses with dynamically assigned addresses.

APIPA

This is by the this link : http://www.webopedia.com/TERM/A/APIPA.html

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글쓴이: hongwoo jin

I'm managing our Korea company's Office 365 administrator I want to be MS Office 365 & SharePoint MVP with certification.

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