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advertisement messages to form an RP-set and advertises it to all routers in the specific admin-scope zone.
All the routers use the same hash algorithm to get the RP address corresponding to the specific multicast
group.
You can configure the hash mask length and C-BSR priority globally, only in an IPv6 admin-scope zone,
or both globally and in an IPv6 admin-scope zone.
• The values configured in the IPv6 admin-scope zone have preference over the global values.
• If you do not configure these parameters in the IPv6 admin-scope zone, the corresponding global
values will be used.
For configuration of global C-BSR parameters, see "Configuring global C-BSR parameters."
Perform the following configuration on the routers that you want to configure as C-BSRs in admin-scope
zones.
To configure a C-BSR for an admin-scope zone:
Ste
Command
Remarks
1. Enter system view.
system-view N/A
2. Enter IPv6 PIM view.
pim ipv6 N/A
3. Configure a C-BSR for
an admin-scope zone.
c-bsr scope { scope-id | admin-local |
global | organization-local | site-local }
[ hash-length hash-length | priority
priority ] *
No C-BSRs are configured for an
admin-scope zone by default.
Configuring IPv6 PIM-SSM
The IPv6 PIM-SSM model needs the support of MLDv2. Be sure to enable MLDv2 on IPv6 PIM routers with
receivers attached to them.
IPv6 PIM-SSM configuration task list
Task Remarks
Enabling IPv6 PIM-SM Required
Configuring the IPv6 SSM group range Optional
Configuring IPv6 PIM common features Optional
Configuration prerequisites
Before you configure IPv6 PIM-SSM, complete the following tasks:
• Enable IPv6 forwarding and configure an IPv6 unicast routing protocol so that all devices in the
domain are interoperable at the network layer.
• Determine the IPv6 SSM group range.
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