bandwidth on Ethernet ports

Dear All

I have RB2011 and want to set bandwidth limitation on first 5 ports because there are two department part in the client company. More specific is that i have 70Mbit internet traffic and suppose to share 20M : 50M limitation per Ethernet port. in the drop-down menu max value is 10M per port. Can you please help how to create custom value or give me some solution.


Thanks in advance.

What is the maximum bandwidth that you want to apply for each ethernet port?