3com MSR 20-20 참조 매뉴얼

holdtime assert (PIM view), pim holdtime assert, and pim holdtime 
join-prune.

# Set the global value of the join/prune timeout time to 280 seconds in the public 
instance.

<Sysname> system-view

[Sysname] pim

[Sysname-pim] holdtime join-prune 280 

jp-pkt-size packet-size

Public instance PIM view, VPN instance PIM view

packet-size: Maximum size of join/prune messages in bytes, with an effective 
range of 100 to 8,100.

Use the jp-pkt-size command to configure the maximum size of join/prune 
messages.

Use the undo jp-pkt-size command to restore the default setting.

By default, the maximum size of join/prune messages is 8,100 bytes.

jp-queue-size (PIM view).

# Set the maximum size of join/prune messages to 1,500 bytes in the public 
instance.

<Sysname> system-view

[Sysname] pim

[Sysname-pim] jp-pkt-size 1500 

jp-queue-size queue-size

Public instance PIM view, VPN instance PIM view

queue-size: Maximum number of (S, G) entries in a join/prune message, in the 
range of 1 to 4,096.