Hello,
have a look at this (part of) the SDSL config:
interface Vlan1
ip address 192.168.1.1 255.255.255.0
ip nat inside
ip virtual-reassembly (default)
!
interface ATM0
no ip address
ip nat outside
ip virtual-reassembly
no atm ilmi-keepalive
pvc 8/35
encapsulation aal5mux ppp dialer
dialer pool-member 1
!
dsl equipment-type CO
dsl operating-mode GSHDSL symmetric annex A
dsl linerate AUTO
!
interface Dialer0
ip address negotiated
ip mtu 1492
encapsulation ppp
dialer pool 1
dialer-group 1
ppp authentication chap
!
ip classless (default)
!
ip nat pool pool1 192.168.1.0 192.168.2.0 netmask 0.0.0.255
!
ip nat inside source list 1 interface Dialer0 overload
!
access-list 1 permit 192.168.1.0 0.0.0.255
dialer-list 1 protocol ip permit
ip route 10.10.25.2 0.255.255.255 dialer 0
IP addresses are arbitrary; can you try this and see if you get it to work ?
Regards,
GNT