3Com Switch 7750 Configuration Guide

478 CHAPTER 47: PIM CONFIGURATION

Network diagram

Figure 119 Network diagram for PIM-SM configuration

Configuration procedure

1 Configure unicast routing

Configure the OSPF protocol for interoperation among the switches in the PIM-SM

domain. Ensure the network-layer interoperation among the switches in the

PIM-SM domain. Detailed configuration steps are omitted here.

2 Enable IP multicast routing, and enable PIM-SM on each interface

■ Configure LS_A

# Enable multicast routing, enable PIM-SM on each interface, and enable IGMP on

Vlan-interface 11.

<SW7750> system-view

[SW7750] multicast routing-enable

[SW7750] interface Vlan-interface 10

[SW7750-Vlan-interface10] pim sm

[SW7750-Vlan-interface10] quit

[SW7750] interface Vlan-interface 11

[SW7750-Vlan-interface11] pim sm

[SW7750-Vlan-interface11] igmp enable

[SW7750-Vlan-interface11] quit

[SW7750] interface Vlan-interface 12

[SW7750-Vlan-interface12] pim sm

■ Configure LS_B

# Enable multicast routing, and enable PIM-SM on each interface.

<SW7750> system-view

[SW7750] multicast routing-enable

[SW7750] interface Vlan-interface 10

LS_D

LS_B

LS_CLS_A

VLAN 12

VLAN11

VLAN10

HostA

HostB