T3700G-28TQ
 
JetStream 28-Port Gigabit Stackable L3 Managed Switch CLI Guide 
 
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Chapter 38  PIM Commands 
The Protocol Independent Multicast (PIM) protocol is multicast routing protocol which uses unicast 
routing information to perform the multicast forwarding function in the three-layer network. PIM can 
operate in dense mode or sparse mode. 
ip multicast-routing 
Description 
The  ip multicast-routing command is used to enable ip multicast routing 
function. To delete all the multicast routing entries, please use no ip 
multicast-routing command. 
Syntax 
ip multicast-routing 
no ip multicast-routing 
Command Mode 
Global Configuration Mode 
Example 
Enable the IP multicast routing function globally: 
T3700G-28TQ(config)#ip multicast-routing 
ip pim 
Description 
The ip pim command is used to enable PIM function on the specified interface. 
To disable the PIM function on this interface, please use no ip pim command. 
Syntax 
ip pim {dense-mode | sparse-mode} 
no ip pim [dense-mode | sparse-mode] 
Parameter 
dense-mode —— enable PIM with dense mode on the specified interface. 
sparse-mode —— enable PIM with sparse mode on the specified interface.