23
CONFIDENTIAL
26-Jan-04
© 2002 Procket Networks, Inc. All rights reserved.
000000010000000001011110
1110
0
8
31
0
32-Bit IP Address
48-Bit Ethernet Address
0
24
0 = Internet Multicast
1 = Reserved for Other Use
•IANA Owns 01-00-5E Vendor Address Block
•Half of It Assigned for IP Multicast
IEEE Ethernet Multicast bit
ignored
47
Ethernet Multicast Addressing
23 Bits
01-00-5E-
Class D Address
00-00-00
through
7F-FF-FF