DHCP配置步骤:

R1(config)#ip dhcp pool vlan10                                    #DHCP地址池名称

R1(dhcp-config)#network 192.168.1.0 255.255.255.0                 #网段

R1(dhcp-config)#dns-server 202.96.134.33 202.96.134.133           #DNS

R1(dhcp-config)#default-router 192.168.1.1                        #默认网关

R1(config)#ip dhcp excluded-address 192.168.1.10 192.168.1.20     #预留地址