
Frequently Asked Questions 207
Frequently Asked Questions
Q — What are the multicast addresses reserved for SBM?
A — SBM uses two multicast addresses for its operation. All SBM systems listen on
224.0.0.17. In addition, candidate DSBMs listen on 224.0.0.16.
Q — What kinds of scheduling algorithms can I run on the shaping queue for the FRTS
feature?
A — The priority queue (PQ), custom queue (CQ), WFQ, and CBWFQ scheduling
algorithms can run on the FRTS shaping queue. WFQ and CBWFQ are supported
with and without a strict PQ. These scheduling algorithms are discussed in detail
in Chapter 4.
Q — When doing Frame Relay traffic shaping, what is the dif