4000 Router Series IP Multicast Configuration Guide

[RouterA-Ethernet1/1] pim dm

[RouterA-Ethernet1/1] quit

[RouterA] interface ethernet 1/2

[RouterA-Ethernet1/2] pim dm

[RouterA-Ethernet1/2] quit

# On Router B, enable IP multicast routing globally, enable IGMP on Ethernet 1/1, and enable

PIM-DM on each interface.

<RouterB> system-view

[RouterB] multicast routing

[RouterB-mrib] quit

[RouterB] interface ethernet 1/1

[RouterB-Ethernet1/1] igmp enable

[RouterB-Ethernet1/1] pim dm

[RouterB-Ethernet1/1] quit

[RouterB] interface ethernet 1/2

[RouterB-Ethernet1/2] pim dm

[RouterB-Ethernet1/2] quit

# On Router C, enable IP multicast routing globally, enable IGMP on Ethernet 1/1, and enable

PIM-DM on each interface.

<RouterC> system-view

[RouterC] multicast routing

[RouterC-mrib] quit

[RouterC] interface ethernet 1/1

[RouterC-Ethernet1/1] igmp enable

[RouterC-Ethernet1/1] pim dm

[RouterC-Ethernet1/1] quit

[RouterC] interface ethernet 1/2

[RouterC-Ethernet1/2] pim dm

[RouterC-Ethernet1/2] quit

4. Configure a multicast group filter on Router A, so that the hosts connected to Ethernet 1/1 can join

the multicast group 224.1.1.1 only.

[RouterA] acl number 2001

[RouterA-acl-basic-2001] rule permit source 224.1.1.1 0

[RouterA-acl-basic-2001] quit

[RouterA] interface ethernet 1/1

[RouterA-Ethernet1/1] igmp group-policy 2001

[RouterA-Ethernet1/1] quit

Verifying the configuration

Display IGMP information on Ethernet 1/1 of Router B.

[RouterB] display igmp interface ethernet 1/1

Ethernet1/1(10.110.2.1):

IGMP is enabled.

IGMP version: 2

Query interval for IGMP: 125s

Other querier present time for IGMP: 255s

Maximum query response time for IGMP: 10s