//1.进入全局配置视图 router#config t
//2.开启DHCP服务 router(config)#service DHCP
//可选:关闭DHCP冲突日志 router(config)#no ip dhcp conflict logging
//3.配置DHCP地址池名称(本例为:myPool) router(config)#ip dhcp pool myPool
//4.配置DHCP地址(本例为:192.168.1.0/24) router(dhcp-config)#network 192.168.1.0 255.255.255.0
//5.配置DHCP默认网关(本例为:192.168.1.1) router(dhcp-config)#default-router 192.168.1.1
//6.配置DHCP DNS router(dhcp-config)#dns-server 192.168.1.1
//7.退出DHCP配置 router(dhcp-config)#exit
//8.配置排除地址段 router(config)#ip dhcp excluded-address 192.168.0.1 192.168.0.10
//9.配置Ethernet0/0为192.168.0.1/24的网关 router(config)#interface e0/0
//10.配置Ethernet0/0 IP地址 router(config-if)ip address 192.168.1.1 255.255.255.0
//相邻路由器可以通过进入对应接口, 通过:ip address dhcp获得IP地址