Лучше так:ip dhcp excluded-address 192.168.1.1
!
ip dhcp pool sdm-pool1
import all
network 192.168.1.0 255.255.255.0
default-router 192.168.1.1
dns-server 192.168.1.1
vpdn enable
!
vpdn-group 1
! Default PPTP VPDN group
accept-dialin
protocol pptp
virtual-template 1
username test privilege 0 password 7 test
interface Loopback0
ip address 192.168.2.254 255.255.255.255
interface FastEthernet4
ip address 1.2.3.4 255.255.255.252
no ip redirects
no ip unreachables
no ip proxy-arp
ip nat outside
ip virtual-reassembly
ip route-cache flow
duplex auto
speed auto
interface Virtual-Template1
ip unnumbered Loopback0
peer default ip address pool test
no keepalive
ppp encrypt mppe 128
ppp authentication ms-chap-v2
interface Vlan1
ip nat inside
ip local pool test 192.168.2.1 192.168.2.253
ip nat inside source list 1 interface FastEthernet4 overload
ip route 0.0.0.0 0.0.0.0 1.2.3.44
access-list 1 permit 192.168.1.0 0.0.0.255