Above 12.2.xT version IOS.
Sample Configuration:
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service passWord-encryption
!
hostname abc
!
boot system flash c3620-ik8o3s-mz.122-8.T1.bin
logging buffered 10240 debugging
enable password cisco
!
ip subnet-zero
!
!
!
ip audit notify log
ip audit po max-events 100
vpdn enable
!
vpdn-group pppoe
request-dialin
protocol pppoe
!
interface FastEthernet1/0
ip address 10.1.1.1 255.255.255.0
ip nat inside
duplex auto
speed auto
!
interface FastEthernet1/1
no ip address
duplex auto
speed auto
pppoe enable
pppoe-client dial-pool-number 1
!
interface Dialer1
ip address negotiated
ip mtu 1492
ip nat outside
encapsulation ppp
dialer pool 1
dialer-group 1
ppp authentication chap callin
ppp chap hostname ***username***
ppp chap password ***password***
!
ip nat inside source list 1 interface Dialer1 overload
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1
no ip http server
!
!
Access-list 1 permit any
dialer-list 1 protocol ip permit
