My confusion comes from the fact that the current router has only one IP, the public one, whereas the 1721 seems to need two.
If Fa0 is set to a public address, what happens to the address on the ADSL interface?
The current config is below:
!
version 12.4
no service pad
service tcp-keepalives-in
service tcp-keepalives-out
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname xxxx
!
boot-start-marker
boot-end-marker
!
logging console emergencies
enable secret 5 xx
enable password 7 xx
!
no aaa new-model
!
resource policy
!
clock timezone BST 1
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
ip subnet-zero
no ip source-route
no ip gratuitous-arps
!
!
no ip dhcp use vrf connected
!
!
ip cef
no ip bootp server
!
!
!
!
interface ATM0
no ip address
no atm ilmi-keepalive
dsl operating-mode auto
hold-queue 224 in
pvc 0/38
protocol ip x.x.x.191 broadcast
dialer pool-member 1
protocol ppp dialer
!
!
interface FastEthernet0
ip address 192.168.93.10 255.255.255.0
speed auto
full-duplex
no cdp enable
!
interface Dialer0
ip address x.x.x.185 255.255.255.0
encapsulation ppp
dialer pool 1
dialer-group 1
no cdp enable
ppp authentication chap callin
ppp chap hostname xx
ppp chap password 7 xx
!interface Dialer1
no ip address
no cdp enable
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer0
no ip http server
!
!
dialer-list 1 protocol ip permit
no cdp run
!
control-plane
!
!
line con 0
exec-timeout 0 0
line aux 0
line vty 0 4
password 7 xx
login
!
no process cpu extended
no process cpu autoprofile hog
sntp server 192.168.93.4
end
