Configuring PIM Common Information 653
n
The commands introduced in this section are to be configured on all routers in the
PIM domain.
c
CAUTION:
■ Make sure that the same SSM group range is configured on all routers in the
entire domain. Otherwise, multicast information cannot be delivered through
the SSM model.
■ When a member of a multicast group in the SSM group range sends an
IGMPv1 or IGMPv2 report message, the device does not trigger a (*, G) join.
Configuring PIM
Common Information
n
For the configuration tasks described in this section
■ Configurations performed in PIM view are effective to all interfaces, while
configurations performed in interface view are effective to the current interface
only.
■ If the same function or parameter is configured in both PIM view and interface
view, the configuration performed in interface view is given priority, regardless
of the configuration sequence.
PIM Common
Information
Configuration Task List
Complete these tasks to configure PIM common information:
Configuration
Prerequisites
Before configuring PIM common information, complete the following tasks:
■ Configure any unicast routing protocol so that all devices in the domain are
interoperable at the network layer.
■ Configure PIM-DM, or PIM-SM, or PIM-SSM.
Before configuring PIM common information, prepare the following data:
■ An ACL rule as multicast data filter
■ Priority for DR election (global value/interface level value)
■ PIM neighbor timeout time (global value/interface value)
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
Task Remarks
“Configuring a PIM Filter” on page 654 Optional
“Configuring PIM Hello Options” on page 654 Optional
“Configuring PIM Common Timers” on page 656 Optional
“Configuring Join/Prune Message Limits” on page 657 Optional
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