AR1:

sys
dhcp en
ip pool text
net 192.168.1.0 m 24
gateway-list 192.168.1.254
dns-list 114.114.114.114
lease day 1
excluded-ip-address 192.168.1.200 192.168.1.253
q
int g0/0/0
ip add 192.168.1.254 24
dhcp select g

pc1通过dhcp获得ip