1、C/S架构   动态分配IP地址，子网掩码，网关，DNS等信息

<Huawei>system-view 
[Huawei]sysname dhcp-server
[dhcp-server]interface GigabitEthernet 0/0/0
[dhcp-server-GigabitEthernet0/0/0]ip address 10.1.1.254 24
[dhcp-server-GigabitEthernet0/0/0]quit
[dhcp-server]dhcp enable 
[dhcp-server]interface GigabitEthernet 0/0/0
[dhcp-server-GigabitEthernet0/0/0]dhcp  select interface