users with two limit at two speeds

i will upgrade to ROS V5 from V3.30
and my dream is to
create profile /profiles for my users to be as follows:
all user have bandwidth 5 GB per month (speed 1Mb/s).
and when user finish this bandwidth before end of month the speed down to (128 Kb/s) automatically .and by start of the next month speed recover to 1Mb/s automatically

i want to do this with user manager

any replay

any update!!!

do you have radius server ??? or you want to use userman ???

i want to use user manager

i don’t use userman but i thing u need to write script in mikrotik
look this link http://wiki.mikrotik.com/wiki/Manual:Scripting

i have the same problem, i don’t know how i can store total consume download because the counter is reset on reboot the mikrotik

where forum admin !!!