INTRODUCTION TO DHCP
The Dynamic Host Configuration Protocol is based on the Bootstrap Protocol (BOOTP) defined in RFC 951. BOOTP was used to boot diskless workstations. BOOTP has many limitations, however, including the manual configuration on the BOOTP server. DHCP also can be used to configure several more network parameters compared to BOOTP, and it is more flexible. RFCs 1533, 1534, 1541, 1542, 2131, and 2132 define the DHCP protocol. Before delving into DHCP, it is important to review two important parameters: DHCP lease time and DHCP scope.
DHCP Lease Time
When a client connects to a DHCP server, the server offers an IP address to the client for a certain period of time. This time is called the lease time. If the client does not renew ...
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