Putting It All Together: DHCP Strategies
DHCP can be used in many different networking environments. Regardless of the networking environment, DHCP in itself operates fundamentally the same. In other words, the server is installed, scopes are created, options are configured, and DHCP clients start receiving address leases. However, depending on the network infrastructure, more planning and configuration may need to take place before DHCP can function efficiently and acceptably. Fortunately, DHCP is very flexible, and a designer can take many different design ideas to create the solution best suited for the environment.
Non-Routed Environment (Single Subnet)
DHCP operating on a single subnet is the simplest DHCP configuration. A single subnet does not include any routers or DHCP relay agents. By simply installing and configuring the DHCP server, DHCP clients can begin allocating dynamic IP addresses.
Designing a DHCP strategy for a non-routed environment consists of determining the hardware requirements of the DHCP server and then deciding which clients will be assigned dynamic addresses and which will be configured with static addresses (typically servers and network printers). Finally, the designer determines which DHCP options need to be used, such as the IP addresses for the DNS and WINS servers on the network.
The network shown in Figure 4.1 consists of a single subnet that includes a DHCP server and several DHCP clients. To begin servicing the clients, the DHCP server needs a ...
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