142
[RouterA] interface gigabitethernet 1/0/1
[RouterA-GigabitEthernet1/0/1] igmp enable
[RouterA-GigabitEthernet1/0/1] igmp version 3
[RouterA-GigabitEthernet1/0/1] quit
# Enable PIM-SM on the other interfaces.
[RouterA] interface gigabitethernet 1/0/2
[RouterA-GigabitEthernet1/0/2] pim sm
[RouterA-GigabitEthernet1/0/2] quit
[RouterA] interface gigabitethernet 1/0/3
[RouterA-GigabitEthernet1/0/3] pim sm
[RouterA-GigabitEthernet1/0/3] quit
# Enable IP multicast routing, IGMP, and PIM-SM on Router B and Router C in the same way
Router A is configured. (Details not shown.)
# Enable IP multicast routing and PIM-SM on Router D and Router E in the same way Router A
is configured. (Details not shown.)
4. Configure the SSM group range:
# On Router A, specify 232.1.1.0/24 as the SSM group range.
[RouterA] acl basic 2000
[RouterA-acl-ipv4-basic-2000] rule permit source 232.1.1.0 0.0.0.255
[RouterA-acl-ipv4-basic-2000] quit
[RouterA] pim
[RouterA-pim] ssm-policy 2000
[RouterA-pim] quit
# Configure the SSM group range on Router B, Router C, Router D, and Router E in the same
way Router A is configured (Details not shown.)
Verifying the configuration
# Display PIM information on Router A.
[RouterA] display pim interface
Interface NbrCnt HelloInt DR-Pri DR-Address
GE1/0/1 0 30 1 10.110.1.1 (local)
GE1/0/2 1 30 1 192.168.1.2
GE1/0/3 1 30 1 192.168.9.2
# Send an IGMPv3 report from Host A to join the multicast source and group (10.110.5.100/24,
232.1.1.1). (Details not shown.)
# Display the PIM routing table on Router A.
[RouterA] display pim routing-table
Total 0 (*, G) entry; 1 (S, G) entry
(10.110.5.100, 232.1.1.1)
Protocol: pim-ssm, Flag:
UpTime: 00:13:25
Upstream interface: GigabitEthernet1/0/2
Upstream neighbor: 192.168.1.2
RPF prime neighbor: 192.168.1.2
Downstream interface(s) information:
Total number of downstreams: 1
1: GigabitEthernet1/0/1
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