Basic PPPoE

From Internetworkpro

This page or section provides device configuration instructions Please note that the information on this page has not been checked for accuracy and is not intended as a replacement to documentation. Please ensure you understand your desired objectives before attempting to apply any examples listed. See more examples at Category:Configuration

Simple PPPoE configuration for a DSL modem. This config assumes a dynamic IP setup. The last line shows an example of how to port forward.

The pvc is usually 0/35 but it might be 0/34. It also depends on your country. PVC 8/35 is reported to work for a signapore ISP.
PVC 8/35 is reported to work for Australian ISPs.

 vpdn enable
 !
 vpdn-group pppoe
  request-dialin
  protocol pppoe
 !
 interface ATM0/0
  no ip address
  no atm ilmi-keepalive
  dsl operating-mode auto
  pvc 0/35 
   pppoe-client dial-pool-number 1
  !
 !
 interface FastEthernet0/0
  ip address 10.0.0.1 255.255.255.0
  ip nat inside
  duplex auto
  speed auto
 !         
 interface Dialer1
  ip address negotiated
  ip mtu 1492
  ip nat outside
  encapsulation ppp
  dialer pool 1
  dialer watch-group 1
  dialer-group 1
  ppp chap hostname paulius
  ppp chap password 0 passwordpassword
  ppp pap sent-username paulius password 0 passwordpassword
 !
 ip nat inside source list 1 interface Dialer1 overload
 ip nat inside source static tcp 10.0.0.10 80 interface Dialer1 80

Some excellent examples are also found at http://www.dslreports.com/faq/cisco/50.1_PPPoE_PPPoA_DHCP