82
Configure the IGMP SSM mapping feature on Router D so that the receiver host can receive
multicast data only from Source 1 and Source 3.
Figure 28 Network diagram
Table 7 Interface and IP address assignment
Source 1 — 133.133.1.1/24 Source 3 — 133.133.3.1/24
Source 2 — 133.133.2.1/24 Receiver — 133.133.4.1/24
Router A
GE1/0/1
133.133.1.2/24 Router C
GE1/0/1
133.133.3.2/24
Router A
GE1/0/2
192.168.1.1/24 Router C
GE1/0/2
192.168.3.1/24
Router A
GE1/0/3
192.168.4.2/24 Router C
GE1/0/3
192.168.2.2/24
Router B
GE1/0/1
133.133.2.2/24 Router D
GE1/0/1
133.133.4.2/24
Router B
GE1/0/2
192.168.1.2/24 Router D
GE1/0/2
192.168.3.2/24
Router B
GE1/0/3
192.168.2.1/24 Router D
GE1/0/3
192.168.4.1/24
Configuration procedure
1. Assign an IP address and subnet mask to each interface, as shown in Figure 28. (Details not
shown.)
2. Configure OSPF on the routers in the PIM-SM domain. (Details not shown.)
3. Enable IP multicast routing, PIM-SM, and IGMP:
# On Router D, enable IP multicast routing.
<RouterD> system-view
[RouterD] multicast routing
[RouterD-mrib] quit
# Enable IGMPv3 on the receiver-side interface (GigabitEthernet 1/0/1).
[RouterD] interface gigabitethernet 1/0/1
[RouterD-GigabitEthernet1/0/1] igmp enable
[RouterD-GigabitEthernet1/0/1] igmp version 3
[RouterD-GigabitEthernet1/0/1] quit
# Enable PIM-SM on the other interfaces.
[RouterD] interface gigabitethernet 1/0/2
[RouterD-GigabitEthernet1/0/2] pim sm
[RouterD-GigabitEthernet1/0/2] quit
PIM-SM
Router A
Router B Router C
Router D
Receiver
Source 2
Source 1
Source 3
GE1/0/1
GE1/0/2
GE1/0/3
GE1/0/1 GE1/0/3
GE1/0/2
GE1/0/1
GE1/0/1
GE1/0/3
GE1/0/3
GE1/0/2
GE1/0/2