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Task Remarks
Configuring a hello message filter Optional
Configuring PIM hello options Optional
Configuring the prune delay Optional
Configuring PIM common timers 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 PIM common 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 time (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 message (interface level value).
• Determine the assert timeout time (global value/interface value).
• Determine the join/prune interval (global value/interface level value).
• Determine the join/prune timeout (global value/interface value).
• Determine the multicast source lifetime.
• Determine the maximum size of join/prune messages.
• Determine the maximum number of (S, G) entries in a join/prune message.
• Determine the DSCP value for PIM messages.
Configuring a multicast data filter
In either a PIM-DM domain or a PIM-SM domain, routers can check passing-by multicast data based on
the configured filtering rules and determine whether to continue forwarding the multicast data. In other
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