帮忙看一下， 怎么实现不了nat 功能。
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Mulnet
!
enable secret 5 $1$IIv/$AYQbEKEdCRvC2xaT5csMf1
enable password
!
ip subnet-zero
!
!
!
call rsvp-sync
!
!
!
!
!
fax interface-type fax-mail
mta receive maximum-recipients 0
!
!
!
interface FastEthernet0/0
ip address #.#.#.# 255.255.255.0
ip nat outside
duplex auto
speed auto
!
interface FastEthernet1/0
ip address *.*.*.* 255.255.255.240
duplex auto
speed auto
!
interface FastEthernet1/1
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet2/0
no ip address
duplex auto
speed auto
!
interface FastEthernet2/1
no ip address
duplex auto
speed auto
!
interface Ethernet3/0
ip address 192.168.1.1 255.255.255.0
ip nat inside
full-duplex
!
interface Ethernet3/1
no ip address
shutdown
half-duplex
!
interface Ethernet3/2
no ip address
shutdown
half-duplex
!
interface Ethernet3/3
no ip address
shutdown
half-duplex
!
ip nat pool 1 #.#.#.0 #.#.#.254 netmask 255.255.255.0
ip nat inside source list 1 pool 1 overload
ip classless
ip route 0.0.0.0 0.0.0.0 FastEthernet0/0
ip route #.#.#.# 255.255.255.0 FastEthernet0/0
ip route *.*.*.* 255.255.255.0 FastEthernet1/0
no ip http server
!
access-list 1 permit 192.168.1.0 0.0.0.255
!
!
dial-peer cor custom
!
!
!
!
line con 0
line aux 0
line vty 0 5
password TONGXUN0804
login
!
