1、在三层交换机开启dhcp功能
DHCP enable
2、创建地址池
ip policy-based-route
ip pool bumenA
gateway-list 192.168.20.1配置网关
network192.168.20.0 mask 255.255.255.0 分配地址段
excluded-ip-address 192.168.20.43 192.168.20.253排除一些地址,不会再给主机分配
static-bind ip-address 192.168.20.40 mac-address e0d5-5ed7-06e0静态绑定
static-bind ip-address 192.168.20.41 mac-address b42e-9911-fdf9
lease day 0 hour8 minute0 租约
dns-list 114.114.114.114
3、在网关接口启用dhcp
int vlan *
dhcp select global