The Lease Generation Works process of DHCP

Using a four -step DHCP lease generation Process assigned an IP address, Clients. How to understand every step Help you solve the problem, the client failed to get IP addresses. These four steps are as follows:

                    1. DHCP client broadcasts DHCPDISCOVER packet on each computer Subnet. Only DHCP computer Paper or computer server or routers Run DHCP relay agent response. Last In the latter case, DHCP relay agent it is a message to the DHCP server host.

                    2. DHCP server packets DHCPOFFER response. This package contains the address of a potential for the client.

                    3. The client receives the packet DHCPOFFER. Can receive data packets from multiple servers; the If so, it is usually selected so that it server DHCPDISCOVER fastest response. It DHCP server is usually closest to the client. hen, the client broadcasts DHCPREQUEST say it contains a server identifier. It informs the DHCP server receives the broadcast server DHCPOFFER client chose to accept.

                    4. DHCP server receives the DHCP request. Clients do not accept these servers Use this as a message to inform the client refuses to provide the server. Select the server storage IP Processing in the database DHCP client information and responds with DHCPACK message. If for some For this reason, the DHCP server cannot provide the address is provided in a first DHCPOFFER DHCP server to send mail DHCPNAK.