How to limit rates for PPP users by package

RouterOS General
1

How to make PPP user have a different up /down rate limit?
2 Mbps =
4 Mbps =
6 Mbps =

2

You must create one general profile for each speed and for each, on limits tab, you can specify the rate limit like upload/download for ex. 512k/2M
And assign for each user on secrets the adequate profile.