| IPv6 Multicast Scope Field |
|
Scope
|
Range
|
Description
|
|
0
|
(undefined)
|
|
|
1
|
Node
|
Local
on the same host (like 127.0.0.1). |
|
2
|
Link
|
Messages
stay within the router’s group. The routers never let these messages pass
through. |
|
3-4
|
(undefined)
|
|
|
5
|
Site
|
As defined
by the network administrators, the messages stay within the site’s locality. |
|
6-7
|
(undefined)
|
|
|
8
|
Organization
|
As defined
by the network administrators, the messages stay within the organization’s
locality. |
|
9-13
|
(reserved)
|
|
|
14
|
Global
|
All routers
permit messages to pass through the global network (until they expire). |
|
15
|
(reserved)
|
|