ip dhcp excluded-address 192.168.10.1
ip dhcp pool blah
   network 192.168.10.0
   import all
interface FastEthernet0/0
 description ### WAN ###
 ip address dhcp hostname nat_bak
 ip nat outside
 duplex auto
 speed auto
!
interface FastEthernet0/1
 description ### LAN ###
 ip address 192.168.10.1 255.255.255.0
 ip nat inside
 duplex auto
 speed auto
ip nat inside source list 1 interface FastEthernet0/0 overload