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NAT all traffic to LAN ports

Hi Guys,

I need to configure a Cisco 887va router for a customer with a firewall that doesn't support PPPoA. I basically need to ensure all traffic that is recieved from the internet (ADSL connection) is NAT'd to a LAN interface so the firewall can do the specific NATing. I have the following route map and NAT rule in mind, but what I am confused about is that if the atm0 interface needs to be configured as the outside interface and vlan2 as the inside interface. How will the following work?

!

ip nat inside source route-map NAT-IN interface Vlan2 overload                                                             

ip route 192.168.10.0 255.255.255.0 Vlan2                                      

!

ip access-list extended NAT-IN

permit ip any any

!

I have attached the full planned configuration.

Thanks in advance!

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