Assigned Public ip to PPPOE LAN

RouterOS General
1

Hi, i got a ip range from the ISP: Public ip: 20.15.64.1/28

How can i configure as below to assigned some pppoe client getting private ip and some is getting public ip.

pppoe.png

2

Make the two PPPoE interfaces (with interface ether4), set address 20.15.64.1/28 on ether1 and it should just work.

3

This not workable…

4

Why not? it is “the way to do it”. this is how traditional routing (without NAT) works.