PIM 
588
Managed Switches 
A screen similar to the following displays.
b.  Scroll down and select the Interface 1/0/1, 1/0/9, and 1/0/13 check boxes.
c.  In the Admin Mode field, select Enable.
d.  Click Apply to save the settings.
PIM-SM on Switch B:
1.  Enable IP routing on the switch.
a. Select Routing > IP > Basic > IP Configuration. 
A screen similar to the following displays.
b.  For Routing Mode, select the Enable radio button.
c.  Click Apply.
2.  Configure 1/0/10 as a routing port and assign an IP address to it.
a. Select Routing > IP > Advanced > IP Interface Configuration. 
A screen similar to the following displays.