Testing for Understanding

To test your understanding of MLD, answer the following questions. See Appendix D to check your answers.

1. Why is the IPv6 Router Alert option used in the Hop-by-Hop Options header for MLD messages?
2. Which addresses are used as the source address in MLD messages?
3. How do you distinguish a general query from a multicast-address-specific query in the Multicast Listener Query message?
4. For which multicast addresses are Multicast Listener Report messages never sent?
5. In which MLD message is the value of the Maximum Response Delay field significant?
6. Describe the use of the Multicast Address field for each MLD message.