How to set up QoS bandwidth rate limit on XenServer VM's network interfaces

In a multi-tenant VM environment, you would need to allocate network bandwidth appropriately to all existing tenants/VMs, such that no one can consume available network resources by himeself/herself. Even in a single-user environment, you may want to define QoS policies for your VM (such as per-interface bandwidth caps) for various reasons. If you are using XenServer as your hypervisor, XenServer actually allows you to rate limit outgoing traffic of VM's virtual interfaces. If you would like to set up QoS bandwidth rate limit on XenServer VM's network interfaces, follow the instructions here.Read more »