159
Step
Command
Remarks
2.
Enter public network PIM
view or VPN instance PIM
view.
pim
[
vpn-instance
vpn-instance-name
]
N/A
3.
Configure the SSM group
range.
ssm-policy
acl-number
Optional.
232.0.0.0/8 by default.
Configuring common PIM features
For the configuration tasks in this section, the following rules apply:
•
The configurations made in PIM view are effective on all interfaces. The configurations made in
interface view are effective only on the current interface.
•
A configuration made in interface view always has priority over the same configuration made in
PIM, regardless of the configuration sequence.
Configuration task list
Task
Remarks
Configuring a multicast data filter
Optional.
Configuring a hello message filter
Optional.
Optional.
Optional.
Optional.
Configuring join/prune message sizes
Optional.
Configuring PIM to work with BFD
Optional.
Setting the DSCP value for PIM messages
Optional.
Configuration prerequisites
Before you configure common PIM features, 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.
•
Determine the ACL rule for filtering multicast data.
•
Determine the ACL rule defining a legal source address range for hello messages.
•
Determine the priority for DR election (global value/interface level value).
•
Determine the PIM neighbor timeout timer (global value/interface value).
•
Determine the prune message delay (global value/interface level value).
•
Determine the prune override interval (global value/interface level value).
•
Determine the prune delay.
•
Determine the hello interval (global value/interface level value).
•
Determine the maximum delay between hello messages (interface level value).