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432

HAPTER

40: M

ULTICAST

VLAN C

ONFIGURATION

Multicast VLAN
Configuration
Example

Network requirements

Configure a multicast VLAN, so that users in VLAN 2 and VLAN 3 receive multicast
flows through the multicast VLAN10.

Network diagram

Figure 106 Network diagram for multicast VLAN configuration

Configuration procedure

Before performing the following configurations, you should configure the IP
addresses and connect the devices correctly.

1 Configure Switch A

# Configure the IP address of the VLAN 2 interface to 168.10.1.1. Enable the
PIM-DM protocol.

<Switch A> system-view

System View: return to User View with Ctrl+Z.

[Switch A] multicast routing-enable

[Switch A] interface vlan-interface 2

[Switch A-Vlan-interface2] ip address 168.10.1.1 255.255.255.0

Table 422 Device number and description

Device

Description

Requirement

Switch A Layer 3 switch

The IP address of VLAN 2 interface is 168.10.1.1. The port E1/1/1
belongs to VLAN 2 and is connected to the Workstation

The IP address of VLAN 10 interface is 168.20.1.1. The port
E1/1/10 belongs to VLAN 10 and is connected to Switch B

Configure layer 3 multicast PIM DM and IGMP on VLAN 10

Switch B Layer 2 switch

VLAN 2 contains the port E1/1/1 and VLAN 3 contains the port
E1/1/2. The ports E1/1/1 and E1/1/2 are connected to PC1 and PC2
respectively.

The port E1/1/10 is connected to Switch A.

PC 1

User 1

PC1 is connected to the port E1/1/1 of Switch B.

PC 2

User 2

PC2 is connected to the port E1/1/2 of Switch B.

PC 2

PC 1

Sw itch A

PC 2

PC 1

Sw itch A

Workstation

Sw itch B

PC 2

PC 1

Sw itch A

PC 2

PC 1

Sw itch A

Workstation

Sw itch B

PC 2

PC 1

Sw itch A

PC 2

PC 1

Sw itch A

PC 2

PC 1

Sw itch A

PC 2

PC 1

Sw itch A

Workstation

Sw itch B