int g0/0
ip add 1.1.1.1 255.255.255.0
nameif outside
no shu
int g0/1
ip add 2.2.2.1 255.255.255.0
nameif inside
no shu
exit
nat (inside) 1 2.2.2.0 255.255.255.0
glo (outside) 1 interface
hostname(config)# dhcpd address 2.2.2.1-2.2.2.254 inside
hostname(config)# dhcpd dns 3.3.3.3
hostname(config)# dhcpd enable inside