interface FastEthernet0/1.1
encapsulation dot1Q 1
ip address 10.13.13.13 255.255.255.0
ip nat inside
ip virtual-reassembly
interface FastEthernet0/1.900
encapsulation dot1Q 900
ip address 217.13.24.22 255.255.255.248
ip nat outside
ip virtual-reassembly
interface Loopback8
ip address x.x.x.x 255.255.255.255
ip nat outside
ip virtual-reassembly
access-list 101 permit ip 217.13.24.21 0.0.0.7 host x.x.x.x
ip nat source list 101 interface FastEthernet0/1.1 overload
ip nat outside source static x.x.x.x z.z.z.z extendable
ip route 0.0.0.0 0.0.0.0 217.13.n.1
ip route z.z.z.0 255.255.255.0 10.13.13.1