R1(config)# interface fa0/0
R1(config-if)# ip nat inside
R1(config)# interface fa0/1
R1(config-if)# ip nat outside
R1(config)# ip nat inside source static 192.168.1.100 201.49.10.30
R1(config)# ip nat pool POOL-NAT-LAN2 201.49.10.17 201.49.10.30 netmask 255.255.255.240
R1(config)# access-list 1 deny 192.168.1.100
R1(config)#access-list 1 permit 192.168.1.0 0.0.0.255
R1(config)#ip nat inside source list 1 pool POOL-NAT-LAN2
R1(config)#ip nat inside source list 1 pool POOL-NAT-LAN2 overload
overload: il fait du PAT
ip nat inside source static tcp 192.168.0.200 80 20.0.0.1 80
R1(config)# show ip nat translations