To configure DHCP server

Command

Purpose

Device(config)# service dhcp

Enables the DHCP server and relay agent on your switch.

Device(config)# ip dhcp excluded-address low-address [high-address]

Specifies IP addresses that the DHCP server should not assign to DHCP clients.

Device(config)# ip dhcp pool 1

Creates a name for the DHCP server address pool and enters DHCP pool configuration mode.

Device(dhcp-config)# network 172.20.0.0 /24

Specifies the subnet network number and mask of the DHCP address pool.

Device(dhcp-config)# dns server 8.8.4.4 8.8.8.8

Specifies the IP address of a DNS server that is available to a DHCP client.

Device(dhcp-config)# default-router 172.16.20.0.1

Specifies the IP address of the default device for a DHCP client.