Problème de configuration du routeur 2821

Bonjour à tous,
j'ai un routeur cisco 2821 avec 2 interfaces gigaEthernet , 4 fastEthernt , 2 BRI et une interface Vlan.
tout d'abord c'est ma premiere fois de confurer un tel routeur , mon Provider m'a juste donné l'adresse de DNS1 et 2.je donne l'adresse publique est automatiquement , je n'arriv pas à me connecter sur la toile je sais quelqu'un peut m'aider.
Voila ma configuration :
!version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname RC2821
!
boot-start-marker
boot-end-marker
!
logging buffered 52000 debugging
enable secret 5 $1$X4O9$g0bOmHimiaKvoWOMN/bH81
enable password admin
!
aaa new-model
!
!
aaa authentication login default local
aaa authorization exec default local
!
aaa session-id common
!
resource policy
!
network-clock-participate wic 2
!
!
ip cef
!
!
ip domain name yourdomain.com
!
isdn switch-type basic-5ess
!
voice-card 0
no dspfarm
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
crypto pki trustpoint TP-self-signed-1665980366
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-1665980366
revocation-check none
rsakeypair TP-self-signed-1665980366
!
!
crypto pki certificate chain TP-self-signed-1665980366
certificate self-signed 01
3082024F 308201B8 A0030201 02020101 300D0609 2A864886 F70D0101 04050030
31312F30 2D060355 04031326 494F532D 53656C66 2D536967 6E65642D 43657274
69666963 6174652D 31363635 39383033 3636301E 170D3039 30393135 31373537
30385A17 0D323030 31303130 30303030 305A3031 312F302D 06035504 03132649
4F532D53 656C662D 5369676E 65642D43 65727469 66696361 74652D31 36363539
38303336 3630819F 300D0609 2A864886 F70D0101 01050003 818D0030 81890281
8100B072 5C5B3B8A 996DB029 A5BFD2E8 D6D1D6E2 D68C0028 4CDDD7FD 2FEF2825
11A30002 257D151A 87E3B396 5629EB04 E903F134 8C098F3A 04BF62BB F02D8F3F
F40B9037 3178C077 63BB0D3C 10168A40 DBFA7918 C757CD87 785ED022 B3BC95F6
9710D38A 2DF8C813 D65A25AC 69A1F75F A12B1CE3 42A00E4E 2230B85E C4229E4F
81650203 010001A3 77307530 0F060355 1D130101 FF040530 030101FF 30220603
551D1104 1B301982 17796F75 726E616D 652E796F 7572646F 6D61696E 2E636F6D
301F0603 551D2304 18301680 14450C74 7447EFB1 9B2DEAF4 21D691A5 A1C15CE0
58301D06 03551D0E 04160414 450C7474 47EFB19B 2DEAF421 D691A5A1 C15CE058
300D0609 2A864886 F70D0101 04050003 8181000D 2AFE2BA7 C2E3F7C4 6C5CEC17
8B25F0F8 5C98908D AFB739C1 A30CC655 BFFE68DB BD7EFB7C B5BE65C1 24F280A3
8E01D482 1C0E5598 9BB2F88C 358C9FEE 6FD9DBEE 152B3748 5AA19C5D 9D19748E
CE8FB28B 93B3593E 81DD647B 2AB9A947 5C359C2E B3252E21 AFBCACB4 F14E689C
20BF7C4F 6F73FD86 CE81A5B3 5D7F9573 DA328B
quit
username admin privilege 15 secret 5 $1$GDiG$jZTXz8bC1vPGhZ5JVGm9M0
!
!
!
!
!
interface GigabitEthernet0/0
description $ETH-SW-LAUNCH$$INTF-INFO-GE 0/0$$ETH-LAN$
ip address 192.168.0.100 255.255.255.0
duplex auto
speed auto
no mop enabled
!
interface GigabitEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface FastEthernet0/0/0
shutdown
!
interface FastEthernet0/0/1
shutdown
!
interface FastEthernet0/0/2
shutdown
!
interface FastEthernet0/0/3
shutdown
!
interface Dot11Radio0/1/0
no ip address
shutdown
speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0 36.0 48.0 54.0
station-role root
!
interface BRI0/2/0
no ip address
isdn switch-type basic-5ess
isdn point-to-point-setup
!
interface BRI0/2/1
no ip address
isdn switch-type basic-5ess
isdn point-to-point-setup
!
interface Integrated-Service-Engine1/0
no ip address
shutdown
no keepalive
!
interface Vlan1
no ip address
shutdown
!
!
!
ip http server
ip http authentication local
ip http secure-server
ip http timeout-policy idle 60 life 86400 requests 10000
!
dialer-list 1 protocol ip permit
!
!
!
control-plane
!
!
!
voice-port 0/2/0
!
voice-port 0/2/1
!
!
!
!
!
!
!
banner login ^C
-----------------------------------------------------------------------
Cisco Router and Security Device Manager (SDM) is installed on this device.
This feature requires the one-time use of the username "cisco"
with the password "cisco". The default username and password have a privilege level of 15.

Please change these publicly known initial credentials using SDM or the IOS CLI.
Here are the Cisco IOS commands.

username <myuser> privilege 15 secret 0 <mypassword>
no username cisco

Replace <myuser> and <mypassword> with the username and password you want to use.

For more information about SDM please follow the instructions in the QUICK START
GUIDE for your router or go to https://www.cisco.com/c/en/us/products/cloud-systems-management/managed-services-accelerator/index.html
-----------------------------------------------------------------------
^C
!
line con 0
line aux 0
line 66
no activation-character
no exec
transport preferred none
transport input all
transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
line vty 0 4
password admin
transport input telnet ssh
line vty 5 15
password admin
transport input telnet ssh
!
scheduler allocate 20000 1000
!
end