TCP/IPv6 Configuration and Management Manual (G06.24+)

IPv6 Fundamentals
HP NonStop TCP/IPv6 Configuration and Management Manual—524523-008
A-7
Types of Addresses
In the preceding address format, the fields have this definition:
•
11111111
Identifies the address as multicast.
•
Flags
Can be either 0000, which indicates a permanently-assigned (well-known)
multicast address, or 0001, which indicates a temporary (transient) multicast
address.
•
Scope
Indicates the scope of the multicast group. This table lists the scope values:
•
Group ID
Identifies the multicast group within the specified scope. Well-known multicast
addresses are:
Figure A-8. Multicast Address Format
Value (Hex) Scope
1 Node-local
2 Link-local
5 Site-local
8 Organization-local
E Global
Multicast
Address Meaning
FF02::1 All nodes (link-local)
FF02::2 All routers (link-local)
FF02::9 All RIPng routers (link-local)
0
127
8 bits
VST151.vsd
11..11
4
bits
4
bits
112
bits
Group ID
Flags
Scope