NAT

ip nat pool TEST1 209.165.201.5 209.165.201.10 prefix-length 27
ip nat source list 10 pool TEST1
ip nat source static 172.16.10.10 209.165.201.2

ip nat pool TEST1 209.165.201.5 209.165.201.10 prefix-length 27

access-list 10 permit 192.168.10.0 0.0.0.255

interface Ethernet0/0

 ip address 192.168.10.1 255.255.255.0

 ip nat enable

end

interface Ethernet0/1

 ip address 172.16.10.1 255.255.255.0

 ip nat enable

end

interface Ethernet0/2

 ip address 209.165.201.1 255.255.255.224

 ip nat enable

end

R1#sh ip nat nvi translations

Pro Source global      Source local       Destin  local      Destin  global

icmp 209.165.201.2:1   172.16.10.10:1     209.165.202.129:1  209.165.202.129:1

--- 209.165.201.2      172.16.10.10       ---                ---

icmp 209.165.201.5:5   192.168.10.10:5    209.165.201.2:5    172.16.10.10:5

--- 209.165.201.5      192.168.10.10      ---                ---