In IP Multicast Routing Using PIM-DM Configuration Example, the system labeled IR 1 is configured for IP multicast routing, using PIM-DM.
Note
The above figure is used in the the OSPF section to describe the OSPF (Open Shortest Path First) configuration on a switch.The router labeled IR1 has the following configuration:
configure vlan HQ_10_0_1 ipaddress 10.0.1.2 255.255.255.0 configure vlan HQ_10_0_2 ipaddress 10.0.2.2 255.255.255.0 configure ospf add vlan all area 0.0.0.0 enable ipforwarding enable ospf enable ipmcforwarding configure pim add vlan all dense enable pim configure pim state-refresh vlan all on