4000 Router Series IP Multicast Configuration Guide

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

PIM-DM on each interface.

<RouterA> system-view

[RouterA] multicast routing

[RouterA-mrib] quit

[RouterA] interface ethernet 1/1

[RouterA-Ethernet1/1] igmp enable

[RouterA-Ethernet1/1] pim dm

[RouterA-Ethernet1/1] quit

[RouterA] interface ethernet 1/2

[RouterA-Ethernet1/2] pim dm

[RouterA-Ethernet1/2] quit

# Enable IP multicast routing, IGMP, and PIM-DM on Router B and Router C in the same way Router

A is configured. (Details not shown.)

# On Router D, enable IP multicast routing globally, and enable PIM-DM on each interface.

<RouterD> system-view

[RouterD] multicast routing

[RouterD-mrib] quit

[RouterD] interface ethernet 1/1

[RouterD-Ethernet1/1] pim dm

[RouterD-Ethernet1/1] quit

[RouterD] interface ethernet 1/2

[RouterD-Ethernet1/2] pim dm

[RouterD-Ethernet1/2] quit

[RouterD] interface ethernet 1/3

[RouterD-Ethernet1/3] pim dm

[RouterD-Ethernet1/3] quit

[RouterD] interface ethernet 1/4

[RouterD-Ethernet1/4] pim dm

[RouterD-Ethernet1/4] quit

Verifying the configuration

# Display PIM information on Router D.

[RouterD] display pim interface

Interface NbrCnt HelloInt DR-Pri DR-Address

Eth1/1 0 30 1 10.110.5.1 (local)

Eth1/2 1 30 1 192.168.1.2 (local)

Eth1/3 1 30 1 192.168.2.2 (local)

Eth1/4 1 30 1 192.168.3.2 (local)

# Display the PIM neighboring relationships on Router D.

[RouterD] display pim neighbor

Total Number of Neighbors = 3

Neighbor Interface Uptime Expires Dr-Priority

192.168.1.1 Eth1/2 00:02:22 00:01:27 1

192.168.2.1 Eth1/3 00:00:22 00:01:29 3

192.168.3.1 Eth1/4 00:00:23 00:01:31 5