Cấu hình PPPoE cho Router 2911

[hanbaoquan2111]

Chào các bác,

Hiện bên em mới mua con router 2911 để cấu hình ra internet, mà loay hoay mãi mà em cấu hình vẫn ko đc, em post cái cấu hình em đã làm nhưng ko chạy, sau khi cấu hình xong thì cổng dialer 1 ko nhận IP từ ISP hic. bác nào rảnh coi giúp em với nhé. Em chân thành cảm ơn :D

(Config)#: interface G0/0
description FTTH VNPT
no ip address
ip tcp adjust-mss 1452
pppoe enable
pppoe-client dial-pool-number 1
no shutdown
exit
interface dialer 1
ip address negotiated
encapsulation ppp
dialer pool 1
dialer-group 1
no cdp enable
ppp authentication pap chap callin
ppp pap sent-username vidu123 password vidu123
ppp chap hostname vidu123
ppp chap password vidu123
exit
ip route 0.0.0.0 0.0.0.0 dialer 1
access-list 1 permit 192.168.1.0 0.0.0.255
ip nat inside source list 1 interface Dialer1 overload
interface g0/1
ip nat inside
exit
interface Dialer1
ip nat outside

[dangquangminh]

Sample Configuration
version 12.3
no parser cache
no service pad
service timestamps debug uptime
service timestamps log uptime
service password-encryption
no service dhcp
!
hostname Router
!
!
enable password xxxxxxxxxx
no aaa new-model
ip subnet-zero
ip cef
!
!!!!! Configure Router as PPPoE Client to the ISP
vpdn enable
!
vpdn-group 1
request-dialin
protocol pppoe
!!!!!
!
!
!
interface Ethernet0
description My LAN Interface
ip address 10.10.10.1 255.255.255.0
!!!! When NAT/PAT occurs, this interface is the source candidate (inside local)
ip nat inside
!!!!
no ip mroute-cache
no cdp enable
!
interface Ethernet1
description Physical ADSL Interface (Facing the ISP)
no ip address
no ip mroute-cache
!!!! Ties this interface to the Dialer interface
pppoe enable
pppoe-client dial-pool-number 1
!!!!
no cdp enable
!
interface Serial0
no ip address
no ip mroute-cache
shutdown
no cdp enable
!
interface Serial1
no ip address
no ip mroute-cache
shutdown
no cdp enable
!
interface Dialer1
description Logical ADSL Interface
ip address negotiated
ip mtu 1492
!!!! When NAT/PAT occurs, this interface is the destination candidate (inside global)
ip nat outside
!!!!
encapsulation ppp
ip tcp adjust-mss 1452
no ip mroute-cache
!!!!! Ties this logical interface to the proper physical interface
dialer pool 1
!!!!!
!!!!! Passing the protocol allowed by the "dialer-list" command
dialer-group 1
!!!!!
no cdp enable
ppp authentication chap pap callin
ppp chap hostname [your username, provided by ISP]
ppp chap password 0 [your username password, given by ISP]
ppp pap sent-username [the username] password 0 [the password]
!!!! Default Gateway to the ISP
ppp ipcp route default
!
ppp ipcp dns request accept
ppp ipcp address accept
!
!!!! PAT subnets allowed by the ACL 10
ip nat inside source list 10 interface Dialer1 overload
!!!!
no ip http server
ip classless
!!!!
!
!
!!!! ACL 10 determines which subnet to be PATed
access-list 10 permit 10.10.10.0 0.0.0.255
!!!!
!!!! Determine which protocol to pass through
dialer-list 1 protocol ip permit
!!!!
no cdp run
!
!
!
line con 0
exec-timeout 120 0
stopbits 1
line vty 0 4
exec-timeout 0 0
login local
length 0
!
scheduler max-task-time 5000
end