HP 6125G Command Reference Manual page 366

Default level
2: System level
Parameters
interval: Join/prune interval in seconds, with an effective range of 1 to 2,147,483,647.
Description
Use timer join-prune to configure the join/prune interval globally.
Use undo timer join-prune to restore the default.
By default, the join/prune interval is 60 seconds.
Related commands: pim ipv6 timer join-prune.
Examples
# Set the global join/prune interval to 80 seconds.
<Sysname> system-view
[Sysname] pim ipv6
[Sysname-pim6] timer join-prune 80
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