Problem
1. A multicast address for a group is 232.24.60.9. What is its 48-bit Ethernet address for a LAN using TCP/IP?
2. Change the following IP multicast addresses to Ethernet multicast addresses. How many of them specify the same Ethernet address?
a. 224.18.72.8
b. 235.18.72.8
c. 237.18.6.88
d. 224.88.12.8
3. Why is there no need for the IGMP message to travel outside its own network?