конфиг:

!
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
enable password qwerty
!
no aaa new-model
!
resource policy
!
ip cef
!
!
!
!
!
!
!
!
!
controller DSL 0
  mode atm
  line-term cpe
  line-mode 2-wire line-zero
  dsl-mode shdsl symmetric annex A
  line-rate auto
!
!
crypto isakmp policy 10
  hash md5
  authentication pre-share
  group 2
!
crypto isakmp policy 11
  authentication pre-share
  group 2
crypto isakmp key xxxxxxxxxx address 100.100.100.100
!
!
crypto ipsec transform-set sharks esp-des esp-md5-hmac
!
crypto map eee 1 ipsec-isakmp
  set peer 100.100.100.100
  set security-association lifetime seconds 86400
  set transform-set sharks
  match address 120
!
!
!
!
interface BRI0
  no ip address
  encapsulation hdlc
  shutdown
!
interface ATM0
  no ip address
  no ip route-cache cef
  no ip route-cache
  no atm ilmi-keepalive
!
interface ATM0.1 point-to-point
  no ip route-cache
  no snmp trap link-status
  pvc 8/35
    encapsulation aal5snap
    pppoe-client dial-pool-number 1
  !
  crypto map eee
!
interface FastEthernet0
!
interface FastEthernet1
!
interface FastEthernet2
!
interface FastEthernet3
!
interface Vlan1
  ip address 10.10.100.1 255.255.255.0
  ip nat inside
  ip virtual-reassembly
  ip tcp adjust-mss 1452
!
interface Dialer1
  mtu 1452
  ip address negotiated
  ip nat outside
  ip virtual-reassembly
  encapsulation ppp
  dialer pool 1
  dialer-group 1
  no cdp enable
  ppp authentication chap pap callin
  ppp chap hostname xxxxxxxxx
  ppp chap password 0 xxxxxxxxx
  ppp pap sent-username xxxxxxxxx password 0 xxxxxxxxx
  crypto map eee
!
ip route 0.0.0.0 0.0.0.0 Dialer1
!
!
ip http server
no ip http secure-server
ip nat inside source list nat_acl interface Dialer0 overload
!
ip access-list extended nat_acl
  deny ip 10.10.100.0 0.0.0.255 192.168.1.0 0.0.0.255
  permit ip any any
!
access-list 120 permit ip 10.10.100.0 0.0.0.255 192.168.1.0 0.0.0.255 log
dialer-list 1 protocol ip permit
!
!
!
!
control-plane
!
!
line con 0
  no modem enable
line aux 0
line vty 0 4
  password qwerty
  login
!
scheduler max-task-time 5000
!
webvpn context Default_context
  ssl authenticate verify all
  !
  no inservice
!
end

R1#sh ip int brief

Interface IP-Address OK? Method Status Prot
ocol
FastEthernet0 unassigned YES unset up down

FastEthernet1 unassigned YES unset up up

FastEthernet2 unassigned YES unset up down

FastEthernet3 unassigned YES unset up down

BRI0 unassigned YES NVRAM administratively down down

BRI0:1 unassigned YES unset administratively down down

BRI0:2 unassigned YES unset administratively down down

Vlan1 10.10.100.1 YES NVRAM up up

ATM0 unassigned YES NVRAM down down

ATM0.1 unassigned YES unset down down

NVI0 unassigned NO unset up up

Dialer1 unassigned YES manual up up

бьюсь с подкючением к провайдеру целую неделю, ни в какую не хочет подниматься ATM интерфейс, была другая железка (cisco 828), на ней все нормально работало, а на этой даже лампочки SHDSL'ные не горят.