3Com Switch 7750 Configuration Guide Guide

PIM Configuration Examples 435
Network diagram
Figure 103 Network diagram for PIM-DM configuration
Configuration procedure
Only the configuration procedure on Lanswitch1 is listed. The configuration
procedure of Lanswitch2 and Lanswitch3 is similar to that of Lanswitch1.
# Enable multicast routing protocol
<SW7750> system-view
[SW7750] multicast routing-enable
# Enable IGMP and PIM-DM on the interfaces.
[SW7750] vlan 10
[SW7750-vlan10] port Ethernet 1/0/2 to Ethernet 1/0/3
[SW7750-vlan10] quit
[SW7750] vlan 11
[SW7750-vlan11] port Ethernet 1/0/4 to Ethernet 1/0/5
[SW7750-vlan11] quit
[SW7750] vlan 12
[SW7750-vlan12] port Ethernet 1/0/6 to Ethernet 1/0/7
[SW7750-vlan12] quit
[SW7750] interface Vlan-interface 10
[SW7750-Vlan-interface10] ip address 1.1.1.1 255.255.0.0
[SW7750-Vlan-interface10] igmp enable
[SW7750-Vlan-interface10] pim dm
[SW7750-Vlan-interface10] quit
[SW7750] interface Vlan-interface 11
[SW7750-Vlan-interface11] ip address 2.2.2.2 255.255.0.0
[SW7750-Vlan-interface11] pim dm
[SW7750-Vlan-interface11] quit
[SW7750] interface Vlan-interface 12
[SW7750-Vlan-interface12] ip address 3.3.3.3 255.255.0.0
[SW7750-Vlan-interface12] pim dm
PIM-SM Configuration
Example
Network requirements
All Ethernet switches are reachable for each other in the practical network.
■ LS_A is connected to LS_B through Vlan-interface 10, to Host A through
Vlan-interface 11 and to LS_C through Vlan-interface 12.
Lanswitch3
Lanswitch1
RECEIVER 1
Lanswitch2
VLAN10 VLAN11
VLAN12
Multicast
Source
RECEIVER 2
VLAN20
VLAN30
Lanswitch3
Lanswitch1
RECEIVER 1
Lanswitch2
VLAN10 VLAN11
VLAN12
Multicast
Source
RECEIVER 2
VLAN20
VLAN30