Learning All About Router

version 12.3
!
hostname ADSL BACKUP
!
ip subnet-zero
!
vpdn enable
!
vpdn-group pppoe
!
interface FastEthernet0/0
description LAN NETWORK
ip address 172.16.10.1 255.255.255.0
ip nat inside
ip tcp adjust-mss 1452
duplex auto
speed auto
!
interface Serial0/0/0
description WAN – PRIMARY LINK
ip address 58.139.38.58 255.255.255.252
encapsulation ppp
clockrate 2000000
!
interface ATM0/1/0
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
!
interface ATM0/1/0.1 point-to-point
pvc 0/40
encapsulation aal5snap
pppoe-client dial-pool-number 1
!
!
interface Dialer1
description WAN – ADSL BACKUP LINK
ip address negotiated
encapsulation ppp
dialer pool 1
dialer persistent
dialer-group 1
no cdp enable
ppp authentication pap callin
ppp pap sent-username backup1@dsl password dsltest
ppp multilink
!
ip classless
ip route 0.0.0.0 0.0.0.0 Serial0/0/0
ip route 0.0.0.0 0.0.0.0 Dialer1 230
ip nat inside source list 1 interface Dialer1 overload!
!
end