ISP bandwidth

Can you please explain how ISP restrict bandwidth to their customer let’s say 10MB.

This is normally done with policing:

QoS Traffic Policing Explained

Thanks, well explained. the same configuration will work on Vlan as well right ?

How different QoS policing from rate limit option ??

You can also apply this to VLANs yes. The rate-limit command is the old method of policing, using the MQC is the new method.

To limit your traffic, you can also use the srr-queue bandwidth command.