Ipv6 Pim-Ssm Overview - HP MSR1002-4 Configuration Manual

Figure 102 IPv6 multicast address format
0
An IPv6 admin-scoped zone with a larger scope field value contains an IPv6 admin-scoped
zone with a smaller scope field value. The zone with the scope field value of E is the IPv6
global-scoped zone.
Table 24 Values of the Scope field
Value
0, F
1
2
3
4
5
6, 7, 9 through D
8
E

IPv6 PIM-SSM overview

The ASM model includes IPv6 PIM-DM and IPv6 PIM-SM. The SSM model can be implemented by
leveraging part of the IPv6 PIM-SM technique. It is also called "IPv6 PIM-SSM."
The SSM model provides a solution for source-specific multicast. It maintains the relationship
between hosts and routers through MLDv2.
In actual applications, part of MLDv2 and IPv6 PIM-SM techniques are adopted to implement the
SSM model. In the SSM model, because receivers have located an IPv6 multicast source, no RP or
RPT is required. No source registration process is required for discovering IPv6 multicast sources in
other IPv6 PIM domains.
Neighbor discovery
IPv6 PIM-SSM uses the same neighbor discovery mechanism as IPv6 PIM-SM. For more
information, see
DR election
IPv6 PIM-SSM uses the same DR election mechanism as IPv6 PIM-SM. For more information, see
"DR election."
7 11
0xFF Flags
Table 24 lists the possible values of the scope field.
Meaning
Reserved
Interface-local scope
Link-local scope
Subnet-local scope
Admin-local scope
Site-local scope
Unassigned
Organization-local scope
Global scope
"Neighbor discovery."
15
Scope
Group ID (112 bits)
338
31
Remarks
N/A
N/A
N/A
IPv6 admin-scoped zone.
IPv6 admin-scoped zone.
IPv6 admin-scoped zone.
IPv6 admin-scoped zone.
IPv6 admin-scoped zone.
IPv6 global-scoped zone.