shre 2 mbps bandwidth in my local network 1 mb aad 1mb

Hardware MikroTik hardware general
1

i want to share 2mbps bandwidth in my local network for 1:1

i want to to use my local network ip range 192.168.20.1 t0 125 for 1 mb
and 192.168.20.126 to 254 for amb

my wan ip is 192.168.200.1

Local ip 192.168.20.1