Configuring Static and Dynamic NAT

       NAT Router
　　ip nat pool test 172.16.131.2 172.16.131.10 netmask 255.255.255.0
　　ip nat inside source list 7 pool test
　　
　　ip nat inside source static 10.10.10.1 172.16.131.1
　　
　　interface e 0
　　ip address 10.10.10.254 255.255.255.0
　　ip nat inside
　　
　　interface s 0
　　ip address 172.16.131.254 255.255.255.0
　　ip nat outside
　　
　　access-list 7 deny host 10.10.10.1
　　access-list 7 permit 10.10.10.0 0.0.0.255