Problemas con Router Cisco 1721 y ADSL Telefónica

Desde el pasado fin de semana....

....no se me establece la sesión vpdn:
Router#sh vpdn
%No active L2TP tunnels
%No active L2F tunnels
%No active PPTP tunnels
PPPoE Tunnel and Session Information Total tunnels 1 sessions 1
PPPoE Session Information
UID SID RemMAC OIntf Intf Session
LocMAC VASt state
0 0 0000.0000.0000 ATM0 N/A N/A
0000.0000.0000 VP/VC: 8/32

La configuración que tengo es:
version 12.2
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname Router
!
logging queue-limit 100
enable secret 5 $1$QMXJ$KDwsQcX/wamhKl/iSi9kM0
!
username adslppp@telefonicanetpa password 7 050A021C2D5C5E19
ip subnet-zero
!
!
ip name-server 80.58.0.33
ip name-server 80.58.32.97
!
vpdn enable
!
vpdn-group ppoe
request-dialin
protocol pppoe
!
!
!
!
!
interface ATM0
no ip address
no ip redirects
no ip unreachables
no ip proxy-arp
no ip route-cache
no ip mroute-cache
no atm ilmi-keepalive
pvc 8/32
ubr 128
pppoe-client dial-pool-number 1
!
dsl operating-mode auto
hold-queue 208 in
!
interface FastEthernet0
ip address 90.90.0.1 255.255.255.248
ip nat inside
speed auto
!
interface Dialer1
ip address negotiated
ip mtu 1492
ip nat outside
encapsulation ppp
dialer pool 1
dialer remote-name redback
dialer-group 1
no cdp enable
ppp chap hostname adslppp@telefonicanetpa
ppp chap password 7 01120217571B161F
ppp pap sent-username adslppp@telefonicanetpa password 7 15130F1F083A3B34
ppp ipcp dns request
ppp ipcp wins request
hold-queue 224 in
!
ip nat inside source list 50 interface Dialer1 overload
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1
no ip http server
!
!
!
access-list 3 permit 90.90.0.0 0.0.0.255
access-list 50 permit 90.90.0.0 0.0.0.7
dialer-list 1 protocol ip permit
!
!
line con 0
line aux 0
line vty 0 4
password 7 0870181C5C48514F40
login
!
end

Necesito AYUDA!!!!!!!!!!!!!!!!!!!! :-(


Gracias de antemano ;o)
 
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