![]() Note that there could be more than one servers in a network and client can choose which one they want to get services from. Finally, DHCP server will ACKNOWLEDGE the request and send the configuration to Hosts.It will then REQUEST for the desired Configuration. Client will select the best one that fits the need.It will send the information that are available on server like IP Address, Subnet Mask, DNS Server and other. If any (or more) DHCP Server is present in the network, it will OFFER its’ services to the client.First, a client (Host Machine) sends a DISCOVER message.DORA means DISCOVER, OFFER, REQUEST and ACKNOWLEDGEMENT. So how exactly DHCP works? It work on DORA Process. There could be a specific server that provides Dynamic Host Configuration Protocol Services or we can make a router work as a DHCP Server. ![]() Solution to this problem is a DHCP Server. Now, going to all the desktops and assigning information one by one is a time taking process. Imagine a scenario where your company has purchased 100 desktops for official use and wants you to assign IP addresses and other information on it. 169.254.154.22).DHCP: Dynamic Host Configuration Protocol is used for automatically assigning IP Configuration to one or more hosts. ![]() After some time (from a couple of seconds to a couple of minutes, depending on the operating system) the client auto-configures itself with an address from the APIPA range (e.g. However, the DHCP server is down and can’t respond to the host. ![]() The host boots up and looks for DHCP servers on the network. The host on the left is configured as DHCP client. This way, the host will still be able to communicate with other hosts on the local network segment that are also configured for APIPA. ![]() If the client can’t communicate with the DHCP server, it uses APIPA to configure itself with an IP address from the APIPA range. When a DHCP client boots up, it looks for a DHCP server in order to obtain network parameters. Automatic Private IP Addressing (APIPA) is a feature in operating systems (such as Windows) that enables computers to automatically self-configure an IP address and subnet mask when their DHCP server isn’t reachable. ![]()
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