Question in DSL Router

Hi , i have a DSL router from ATT&T and it was working just fine. After we wiped out the config and we entered it , workstations cannot get a valid IP , they get 169.254.x.y.
Any ideas ?

here is the config Current configuration : 3241 bytes
!
version 12.3
no service pad
service tcp-keepalives-in
service tcp-keepalives-out
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
service password-encryption
service sequence-numbers
!
hostname dslrouter
!
boot-start-marker
boot-end-marker
!
logging buffered 51200 debugging
logging console informational
enable secret 5 $1$5F0M$os66MKOMaptzg9jOdBP741
!
username admin privilege 15 secret 5 $1$EJXV$g1HiDSIIB/tMJZyww0lSN.
username llbladmin privilege 15 secret 5 $1$SWRx$hE9IHcpzBH8GhDr.otBl31
clock timezone PCTime -6
clock summer-time PCTime date Apr 6 2003 2:00 Oct 26 2003 2:00
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
no aaa new-model
ip subnet-zero
no ip source-route
!
!
ip cef
!
!
ip tcp synwait-time 10
no ip bootp server
ip domain name sbcglobal.net
ip name-server 151.164.1.8
ip name-server 151.164.11.201
ip ips po max-events 100
vpdn enable
!
vpdn-group pppoe
 request-dialin
  protocol pppoe
!
no ftp-server write-enable
!
!
!
!
!
!
bba-group pppoe global
!
!
interface ATM0
 no ip address
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 no atm ilmi-keepalive
 pvc 0/35
  protocol pppoe
 !
 dsl operating-mode auto
!
interface BRI0
 no ip address
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 shutdown
 no cdp enable
!
interface FastEthernet0
 description $ES_LAN$$FW_INSIDE$$ETH-LAN$
 no ip address
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 ip nat inside
 ip virtual-reassembly
 ip tcp adjust-mss 1452
 duplex auto
 speed auto
!
interface FastEthernet1
 no ip address