>ip nat inside source static tcp 172.16.x.x 53 interface FastEthernet0/0 53
>может и так ?
service timestamps debug uptime
service timestamps log uptime
no ip domain-lookup
ip address 192.168.0.254 255.255.255.0
ip nat inside
!--- This is the inside local IP address and it is a private IP address.
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
ip address 126.96.36.199 255.255.255.240
ip nat outside
!--- This is the inside global IP address.
!--- This is your public IP address and it is provided to you by your ISP.
ip nat inside source list 1 interface BVI1 overload
!--- This statement makes the router perform PAT for all the
!--- End Stations behind the Ethernet interface that uses
!--- private IP addresses defined in access list #1.
ip nat inside source static tcp 192.168.0.5 80 188.8.131.52 80 extendable
!--- This statement performs the static address translation for the Web server.
!--- With this statement, users that try to reach 184.108.40.206 port 80 (www) are
!--- automatically redirected to 192.168.0.5 port 80 (www). In this case
!--- it is the Web server.
ip route 0.0.0.0 0.0.0.0 220.127.116.11
!--- IP address 18.104.22.168 is the next hop IP address, also
!--- called the default gateway.
!--- Your ISP can tell you what IP address to configure as the next hop address.
access-list 1 permit 192.168.0.0 0.0.0.255
!--- This access list defines the private network
!--- that is network address translated.
bridge 1 protocol ieee
bridge 1 route ip