The design and function of a bridged/switched network is to provide enhanced network services by segmenting the network into multiple collisiondomains. The fact remains, however, that without any other mechanism, the bridged/switched network is still a single broadcast domain. A broadcast domain is a group of devices that can receive one another's broadcast frames. For example, if device A sends a broadcast frame and that frame is received by devices B and C, all three devices are said to be in a common broadcast domain. Because broadcast frames are flooded out all ports on a bridge/switch (by default), the devices connected to the bridge/switch are in a common broadcast domain.