Need ability to assign default route to INTERFACE name

RouterOS General
1

Hello, is there a way to assign default route to the INTERFACE name because AT&T is assigning an invalid gateway address.

PROBLEM:

We have a problem whereas AT&T is now assigning a gateway IP address that is not in the network range of the dynamic IP assigned via the DSL modem to ether1.

The MikroTik has a blue entry in the routing table because it can not identify the interface for the gateway because of the invalid network configuration assigned by AT&T.


Example:
Interface: ether1
Dynamic IP: 76.232.244.98
Mask: 255.255.0.0
Gateway: 151.164.182.170

Here is a problem that is near identical to ours except we can not manually assign a gateway because the IP is dynamic from the AT&T DSL modem:

http://forum.mikrotik.com/t/pppoa-halfbridge-to-mikrotik-problems/19779/1

SOLUTION???:
How can we overcome this invalid configuration and program the router indicating the default route should ALWAYS be ether1 regardless of what IP is assigned to that Interface?

Is there a way to assign the default route of the router to the physical Interface (ether1) and disregard the IP information assigned to ether1?

Would it be best to run a script to learn the IP address assigned to ether1 then create a default route that is the last IP (x.x.x.254) of the class C of the IP assigned to ether1?

Many thanks to any and all,
Jeff

2

is this pppoe/pppoa ? if not, then tell AT&T to get their act together and obey standard tcp/ip rules! if it is then ignore the incoming gateway and set it to the interface name (3.x only).