I actually just set this up on the weekend. You can use virtual- template 1 ip unnumbered with an ip pool on the headend and dialer0 ip address negotiated on the client too if you don't want statically routed clients.

Headend:
!
username * password *
!
vpdn enable
!
vpdn-group 1
 accept-dialin
  protocol pppoe
  virtual-template 1
!
ip tcp path-mtu-discovery
!
interface FastEthernet1/0.10
 encapsulation dot1Q 10
 ip address 1.1.1.1 255.255.255.255
 ip nat outside
 ip policy route-map RAVPN
 crypto map VPN
!
interface FastEthernet1/0.636
 encapsulation dot1Q 636
 pppoe enable
!
interface FastEthernet1/0.637
 encapsulation dot1Q 637
 pppoe enable
!
interface Virtual-Template1
 ip address 172.17.100.1 255.255.255.0
 ip nat inside
 peer default ip address PPPoE
 ppp authentication chap
 ppp multilink
!

Client:
!
vpdn enable
!
vpdn-group 1
 accept-dialin
  protocol pppoe
!
ip tcp path-mtu-discovery
!
interface FastEthernet0/0
 ip address 192.168.100.1 255.255.255.0
 ip tcp adjust-mss 1452
 load-interval 30
 duplex auto
 speed auto
!
interface ATM0/0
 no ip address
 load-interval 30
 no atm ilmi-keepalive
 dsl operating-mode auto
!
interface ATM0/0.1 point-to-point
 no ip redirects
 no ip unreachables
 atm route-bridged ip
 pvc 0/35
  tx-ring-limit 3
  oam-pvc 10
  encapsulation aal5snap
  pppoe-client dial-pool-number 1
 !
!
interface ATM0/1
 no ip address
 load-interval 30
 no atm ilmi-keepalive
 dsl operating-mode auto
!
interface ATM0/1.1 point-to-point
 no ip redirects
 no ip unreachables
 atm route-bridged ip
 pvc 0/35
  tx-ring-limit 3
  oam-pvc 10
  encapsulation aal5snap
  pppoe-client dial-pool-number 1
 !
!
interface Dialer0
 ip address 172.17.100.2 255.255.255.0
 ip mtu 1492
 encapsulation ppp
 dialer pool 1
 dialer-group 1
 ppp authentication chap callin
 ppp chap hostname *
 ppp chap password 0 *
 ppp multilink
!
dialer-list 1 protocol ip permit
!

On 30-Mar-09, at 3:07 PM, Steven Saner wrote:

I am trying to configure multilink PPPoA of two ADSL circuits. At the head end I have a 7206 and at the client end a 1721. I do have PPPoA working on a single circuit, but it isn't quite clear to me if I can bind two circuits using MPP and how to do it. There are quite a few working PPPoA circuits in production on the head end, so I am hoping to minimize the amount of trial and error experimenting on that side at least.

I looked at this list's archives and see that this topic has been discussed before, but with little in the way of examples or documentation of how to do it. If someone would care to share some config examples or point me in the direction of some useful documentation, I would be grateful.

Thanks.

Steve

--
---------------------------------------------------------------
Steven Saner
[email protected]





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