Help !! assign public ip range for single Interface

RouterOS Beginner Basics
1

Hi all
i need help assign multiple public ip to single interfaces

my network

Mikrotik RB1100AHx2 as load balance
Mikrotik RB1100AHx2 as pppoe server

Mikrotik Load Balance
i have subnet xxx.xxx.xxx.214/29 public ips eth1
i have private ip from another isp like 10.10.10.3 on eth2
ether 3 connected to MK pppoe server eth1
ethe2 , ethe3 , ethe4 …etc is pppoe server interfaces

my question is i want to assign public ip to pppoe client ??

how ,
plz help i need it

2

Please could you give an example of how you would want to set this up. Please use RFC5737 address space so we can see exactly what IPs you want from which networks where.