H3C Technologies H3C S7500E Series Switches - Manual (Page 158)

6-21
Enabling PIM-SM
With PIM-SM enabled, a router sends hello messages periodically to discover PIM neighbors
and processes messages from the PIM neighbors. When deploying a PIM-SM domain, you are
recommended to enable PIM-SM on all non-border interfaces of the routers.
Enabling PIM-SM globally in the public instance
Follow these steps to enable PIM-SM in the public instance:
To do... Use the command... Remarks
Enter system view system-view —
Enable IP multicast routing multicast routing-enable
Required
Disable by default
Enter interface view
interface interface-type
interface-number
—
Enable PIM-SM pim sm
Required
Disabled by default
Enabling PIM-SM in a VPN instance
Follow these steps to enable PIM-SM in a VPN instance:
To do... Use the command... Description
Enter system view system-view —
Create a VPN instance and
enter VPN instance view
ip vpn-instance
vpn-instance-name
—
Configure a route-distinguisher
(RD) for the VPN instance
route-distinguisher
route-distinguisher
Required
Not configured by default
Enable IP multicast routing multicast routing-enable
Required
Disabled by default
Enter interface view
interface interface-type
interface-number
—
Associate the current interface
with the VPN instance
ip binding vpn-instance
vpn-instance-name
Required
No VPN instance is associated
with an interface by default.
Enable PIM-SM pim sm
Required
Disabled by default