The 7705 SAR treats broadcast, multicast, and unknown traffic in the same way as unicast traffic. After being classified, the BMU traffic can be mapped to individual queues in order to be forwarded to the fabric. Classification of unicast and BMU traffic does not differ, which means that BMU traffic that has been classified to a BMU-designated queue can be shaped at its own rate, offering better control and fairer usage of fabric resources. For more information, see BMU Support.