Use the following procedure to set the C-BSR priority on a VLAN from the IP Routing menu.
Open one of the supported browsers.
Enter the IP address of the switch to open an EDM session.
From the navigation tree, double-click IP Routing.
In the IP Routing tree, double-click PIM.
In the work area, click the Interfaces tab.
In the table, double-click the cell under the CBSRPreference column heading for the parameter you want to change.
Type the value of the C-BSR priority for the associated interface.
The Candidate BSR with the highest BSR-priority and address is the preferred BSR. The default is –1, which indicates that the current interface is not a Candidate BSR; the range is 0 to 255.
In the toolbar, click Apply.