This is a configuration for use old cisco 827 router as rfc1483 bridge (a stupid pppoe modem)
version 12.1
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Router
!
!
!
!
!
!
ip subnet-zero
no ip routing
!
!
!
!
interface Ethernet0
no ip address
no ip route-cache
bridge-group 1
!
interface ATM0
no ip address
no ip route-cache
no atm ilmi-keepalive
bundle-enable
dsl operating-mode auto
!
interface ATM0.1 point-to-point
no ip route-cache
pvc 8/35
encapsulation aal5snap
!
bridge-group 1
!
ip classless
no ip http server
!
bridge 1 protocol ieee
!
line con 0
transport input none
stopbits 1
line vty 0 4
login
!
scheduler max-task-time 5000
end