求教:思科2800路由器 端口映射 已经设置好了 但是还是无法访问

interface FastEthernet0/0
ip address 120.202.37.186 255.255.255.252
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 192.168.2.1 255.255.255.0
ip access-group 10 in
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
ip nat inside source list 1 interface FastEthernet0/0 overload
ip nat inside source static tcp 192.168.2.2 80 120.202.37.186 80 extendable
ip nat inside source static tcp 192.168.2.2 3389 120.202.37.186 3389 extendable
ip nat inside source static tcp 192.168.2.2 3690 120.202.37.186 3690 extendable
ip route 0.0.0.0 0.0.0.0 120.202.37.185
!
access-list 1 permit any问题补充：Router#show ip nat translations global 查询后
Pro Inside global Inside local Outside local Outside global
tcp 120.202.37.186:80 192.168.2.2:80 --- ---
tcp 120.202.37.186:3389 192.168.2.2:3389 --- ---
tcp 120.202.37.186:3690 192.168.2.2:3690 -- ---