R(config)#ip dhcp ? //DHCP命令
excluded-address Prevent DHCP from assigning certain addresses
pool Configure DHCP address pools
R(config)#ip dhcp pool ?
WORD Pool name
R(config)#ip dhcp pool test
//定义为test名字的dhcp地址此名字
R(dhcp-config)#?
//此模式下可以使用的命令
default-router Default routers
dns-server Set name server
exit Exit from DHCP pool configuration mode
network Network number and mask
no Negate a command or set its defaults
option Raw DHCP options
R(dhcp-config)#network 172.16.10.0 ?
A.B.C.D Network mask
R(dhcp-config)#network 172.16.10.0 255.255.255.0 ?
<cr>
R(dhcp-config)#network 172.16.10.0 255.255.255.0 //关联IP地址与子网掩码
R(dhcp-config)#default-router ?
A.B.C.D Router's IP address
R(dhcp-config)#default-router 172.168.10.254 ?
<cr>
R(dhcp-config)#default-router 172.168.10.254 //定义网关
R(dhcp-config)#dns-server 222.222.222.222 ?
<cr>
R(dhcp-config)#dns-server 222.222.222.222 //定义dns
R(dhcp-config)#exit
R(config)#ip dhcp excluded-address 172.16.10.251?
A.B.C.D
R(config)#ip dhcp excluded-address 172.16.10.251 ?
A.B.C.D High IP address
<cr>
R(config)#ip dhcp excluded-address 172.16.10.251 172.16.10.254 ?
<cr>
R(config)#ip dhcp excluded-address 172.16.10.251 172.16.10.254 //除外的地址,先低后高,注意模式
R(config)#
R#show run
Building configuration...
Current configuration : 942 bytes
!
version 12.4
!
ip dhcp excluded-address 172.16.10.251 172.16.10.254
!
ip dhcp pool test
network 172.16.10.0 255.255.255.0
default-router 172.168.10.254
dns-server 222.222.222.222