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Chapter 28. PIM | 437
ProSafe M4100 and M7100 Managed Switches
received by a router on its RPF interface, the state refresh message causes an existing
prune state to be refreshed. State refresh messages are generated periodically by the router
directly attached to the source. There are two versions of PIM-DM. Version 2 does not use
IGMP messages; instead, it uses a message that is encapsulated in IP packets with protocol
number 103. In version 2, the Hello message is introduced in place of the query message.
CLI: Configure PIM-DM
PIM-DM on Switch A
1. Enable IP routing on the switch.
(Netgear Switch) #configure
(Netgear Switch) (Config)#ip routing
2. Enable pimdm on the switch.
(Netgear Switch) (Config)#ip pim dense
3. Enable IP multicast forwarding on the switch.
(Netgear Switch) (Config)#ip multicast
4. Enable RIP to build the unicast IP routing table.
(Netgear Switch) (Config)#interface 1/0/1
(Netgear Switch) (Interface 1/0/1)#routing
(Netgear Switch) (Interface 1/0/1)#ip address 192.168.2.2 255.255.255.0
(Netgear Switch) (Interface 1/0/1)#ip rip