Итак... имеется рутер на нем висят 2 адсл  канала. При падении 1-го все пользователи ходят через второй.

Имеется так же часть серверов с реальными ip адресами скажем z.z.z.z/28. Они коннектятся в FasEth0/0/2

Требуется эти сервера пускать через 2-го прова.

service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$YfD.$f/0VXL7U5zY3Yw1mNein9.
!
no aaa new-model
!
resource policy
!
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
ip subnet-zero
ip cef
!
!
!
!
ip sla monitor 1
type echo protocol ipIcmpEcho x.x.x.x source-interface Dialer1
timeout 1000
threshold 2
frequency 3
ip sla monitor schedule 1 life forever start-time now
ip sla monitor 2
type echo protocol ipIcmpEcho y.y.y.y source-interface FastEthernet0/1
timeout 1000
threshold 2
frequency 3
ip sla monitor schedule 2 life forever start-time now
vpdn enable
!
!
!
!
!
!
!
track 123 rtr 1 reachability
!
track 124 rtr 2 reachability

interface FastEthernet0/0
description +++ ISP-1 +++
no ip address
duplex auto
speed auto
pppoe enable
pppoe-client dial-pool-number 1
!
interface FastEthernet0/1
description +++ ISP-2 +++
ip address x.x.x.x 255.255.255.240
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
!
interface FastEthernet0/0/0
!
interface FastEthernet0/0/1
!
interface FastEthernet0/0/2
description +++ DMZ +++
switchport access vlan 3

!
interface FastEthernet0/0/3
description +++ LAN +++
switchport access vlan 2

!
interface Vlan1
no ip address
!
interface Vlan2
ip address 192.168.1.4 255.255.255.0
ip nat inside
ip virtual-reassembly
!
interface Vlan3
ip address z.z.z.z 255.255.255.240
ip virtual-reassembly

interface Dialer1
ip address negotiated
ip mtu 1492
ip nat outside
ip virtual-reassembly
encapsulation ppp
no ip mroute-cache
dialer pool 1
dialer-group 1
ppp authentication pap callin
ppp pap sent-username user password 0 cisco
!
ip classless
ip route 0.0.0.0 0.0.0.0 Dialer1 10 track 123
ip route 0.0.0.0 0.0.0.0 x.x.x.y track 124
!
no ip http server
no ip http secure-server
ip nat inside source route-map ISP-2 interface FastEthernet0/1 overload
ip nat inside source route-map ISP-1 interface Dialer1 overload
!
access-list 10 permit 192.168.1.0 0.0.0.255
dialer-list 1 protocol ip permit
route-map ISP-2 permit 10
match interface FastEthernet0/1
!
route-map ISP-1 permit 10
match interface Dialer1
!
!
!
control-plane
!
!