Enabling or disabling PIM globally
Prerequisites
You must be in the PIM configuration context, as indicated by the switch(config-pim)# prompt for IPv4 or the switch(config-pim6)# prompt for IPv6.
Procedure
Enable PIM globally on a router using the following command.
enable
For example, the following command enables PIM globally:
For IPv4 configurations:
For IPv6 configurations:
You can enable PIM globally and enable PIM-SM at the interface level. When PIM-SM is not enabled on the interface, irrespective of the global PIM status, unknown multicast traffic does not get routed. When PIM-SM is enabled on the interface, multicast traffic is routed to the interface where there are clients joined, provided PIM is enabled globally.
Use the disable command to disable PIM globally on a router. You could use this command to temporarily disable PIM globally without removing the individual interface configuration.