3com MSR 20-20 참조 매뉴얼

Use the undo timer join-prune command to restore the default setting.

By default, the join/prune interval is 60 seconds.

pim timer join-prune.

# Set the global join/prune interval to 80 seconds in the public instance.

<Sysname> system-view

[Sysname] pim

[Sysname-pim] timer join-prune 80 

timer spt-switch interval

Public instance PIM view, VPN instance PIM view

interval: Interval in seconds between checks of the traffic rate threshold prior to 
RPT-to-SPT switchover, in the range of 15 to 65,535.

Use the timer spt-switch command to configure the interval between checks of 
the traffic rate threshold before RPT-to-SPT switchover.

Use the undo timer spt-switch command to restore the default setting.

By default, the traffic rate threshold is checked at an interval of 15 seconds before 
RPT-to-SPT switchover.

Before using this command, be sure to use the spt-switch-threshold command 
to configure the traffic rate threshold that should trigger RPT-to-SPT switchover. 
Otherwise, the interval set in this command will be meaningless.

spt-switch-threshold (PIM view).

# In the public instance set the interval between checks of the traffic rate 
threshold prior to RPT-to-SPT switchover to 30 seconds.

<Sysname> system-view

[Sysname] pim

[Sysname-pim] timer spt-switch 30