Hello,
this should be possible. Here is a sample configuration for the 831, replace the username and password with the ones you have from your ISP:
version 12.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname 831
!
logging queue-limit 100
!
ip subnet-zero
ip dhcp excluded-address 192.168.1.1
!
ip dhcp pool LOCALPOOL
import all
network 192.168.1.0 255.255.255.0
default-router 192.168.1.1
!
ip audit notify log
ip audit po max-events 100
no ftp-server write-enable
!
interface Ethernet0
description Inside private interface
ip address 192.168.1.1 255.255.255.0
ip nat inside
hold-queue 100 out
!
interface Ethernet1
description Connection to DSL Modem ISP
no ip address
ip tcp adjust-mss 1452
load-interval 30
pppoe enable
pppoe-client dial-pool-number 1
no cdp enable
!
interface Dialer1
ip address negotiated
ip mtu 1492
ip nat outside
encapsulation ppp
dialer pool 1
dialer-group 1
no cdp enable
ppp authentication chap pap callin
ppp pap sent-username username@isp.com password 0 password
!
ip nat inside source list 1 interface Dialer1 overload
ip classless
ip http server
no ip http secure-server
!
access-list 1 permit 192.168.1.0 0.0.0.255
!
ip route 0.0.0.0 0.0.0.0 Dialer1
dialer-list 1 protocol ip permit
!
line con 0
no modem enable
stopbits 1
line aux 0
stopbits 1
line vty 0 4
login
!
scheduler max-task-time 5000
!
end
HTH,
GP
