PB routeur cisco 871 sec k9 derriere free box

Bonjour,
Je viens de paramétrer mon routeur 871 (interface ethernet 4 pour le wan et vlan 1 pour le lan) et je n'arrive pas à avoir internet sur mon PC. Ci joint le fichier de conf.


!
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname FWHOME
!
boot-start-marker
boot-end-marker
!
no logging console
enable secret 5 mot-de-passe
!
no aaa new-model
!
resource policy
!
ip subnet-zero
ip cef
!
!
!
!
no ip domain lookup
!
!
crypto pki trustpoint TP-self-signed-635857113
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-635857113
revocation-check none
rsakeypair TP-self-signed-635857113
!
!
crypto pki certificate chain TP-self-signed-635857113
certificate self-signed 01
3082023D ........... 4122179A 2F
quit
username moi privilege 15 secret 5 mot-de-passe
!
!
!
!
!
!
interface FastEthernet0
!
interface FastEthernet1
!
interface FastEthernet2
!
interface FastEthernet3
!
interface FastEthernet4
ip address dhcp
ip nat outside
ip virtual-reassembly
ip tcp adjust-mss 1460
duplex auto
speed auto
no cdp enable
!
interface Vlan1
ip address 192.168.0.254 255.255.255.0
ip access-group 20 in
ip nat inside
ip virtual-reassembly
!
ip classless
ip route 0.0.0.0 0.0.0.0 FastEthernet4
!
!
no ip http server
ip http authentication local
ip http secure-server
ip nat inside source list 20 interface FastEthernet4 overload
!
access-list 20 permit 192.168.0.0 0.0.0.255
!
!
control-plane
!
!
line con 0
exec-timeout 30 0
password 7 mot-de-passe
login
no modem enable
line aux 0
line vty 0 4
password 7 mot-de-passe
login
transport input ssh
!
scheduler max-task-time 5000
end




Quelqu'un aurait il une idée ?


Merci