Multicast Routing 
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 M4300 Series and M4300-96X Fully Managed Switches User Manual
6.  From the list of interfaces, select the Interface.
7.  In the Group Address field, enter the group IPv6 address prefix transmitted in 
candidate-RP-advertisements. 
8.  In the Prefix Length field, enter the group IPv6 Prefix Length transmitted in 
candidate-RP-advertisements
9.  In the C-RP Advertisement 
Interval, specify the duration in seconds at which the C-RP 
messages are unicast to the bootstrap router (BSR). 
The range is from 1 to 16383 seconds. 
The default value is 60 seconds. If this field is 
submitted without any value, the default value is used.
10. Click the Add button.
The candidate-RP address is added for the PIM router.
Configure the IPv6 PIM Bootstrap Router Candidate Settings
 To configure the IPv6 PIM BSR Candidate settings:
1.  Launch a web browser.
2.  In the address field of your web browser, enter the IP address of the switch.
The login window opens.
3.  Enter the user name and password. 
The default admin user name is 
admin and the default admin password is blank, that is, 
do not enter a password.
4.  Click the Login button. 
The System Information page displays.
5.  Select Routing> IPv6 Multicast > IPv6 PIM > BSR Candidate Configuration.