I dont know ... I use a route map for my 1811...try this:ip nat inside source route-map NAT-RM interface FastEthernet4 overload!access-list 101 permit ip 10.17.1.0 0.0.0.255 any!!!route-map NAT-RM permit 1 match ip address 101
That is only if you're not using IP Subnet Zero. This was typical of older routing protocols such as Rip V1. With any classless routing protocol using ip subnet zero, you can absolutely have a /25 subnet. If you used a /25 without subnet zero, tha...