H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – Multicast
H3C S7500E Series Ethernet Switches Chapter 5 PIM Configuration
5-31
When deploying a PIM-SM domain, you are recommended to enable PIM-SM on all
interfaces of non-border routers (border routers are PIM-enabled routers located on the
boundary of BSR admin-scope regions).
Follow these steps to enable PIM-SM:
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
Caution:
All the interfaces of the same router must work in the same PIM mode.
5.4.4 Configuring the SSM Group Range
As for whether the information from a multicast source is delivered to the receivers
based on the PIM-SSM model or the PIM-SM model, this depends on whether the
group address in the (S, G) channel subscribed by the receivers falls in the SSM group
range. All PIM-SM-enabled interfaces assume that multicast groups within this address
range are using the PIM-SSM model.
Follow these steps to configure an SSM multicast group range:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter PIM view
pim
—
Configure the SSM group
range
ssm-policy acl-number
Optional
232.0.0.0/8 by default