H3C Fixed Port Campus Switches Configuration Examples-6W103

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48-Static Multicast MAC Address Entry Configuration Examples

Introduction

This document provides configuration examples of static multicast MAC address entries.

Prerequisites

The configuration examples in this document were created and verified in a lab environment, and all the devices were started with the factory default configuration. When you are working on a live network, make sure you understand the potential impact of every command on your network.

This document assumes that you have basic knowledge of multicast MAC addresses.

Example: Configuring static multicast MAC address entries

Network configuration

As shown in Figure 1, Router A runs IGMP and acts as the IGMP querier. Switch A does not run a Layer 2 multicast protocol.

Configure a static multicast MAC address entry on Switch A so that only Host A and Host C can receive multicast data for multicast group 224.1.1.1.

Figure 1 Network diagram

 

Analysis

Multicast MAC address entries guide Layer 2 multicast forwarding. They can be dynamically created through Layer 2 multicast protocols or manually configured by binding multicast MAC addresses and ports.

In this example, Switch A does not run a Layer 2 multicast protocol. To control destination ports of Layer 2 multicast data, configure a static multicast MAC address entry on Switch A.

Applicable hardware and software versions

The following matrix shows the hardware and software versions to which this configuration example is applicable:

 

Hardware

Software version

S6812 switch series

S6813 switch series

Release 66xx

S6550XE-HI switch series

Release 6008 and later

S6525XE-HI switch series

Release 6008 and later

S5850 switch series

Release 8005 and later

S5570S-EI switch series

Release 11xx

S5560X-EI switch series

Release 63xx, Release 65xx, Release 66xx

S5560X-HI switch series

Release 63xx, Release 65xx, Release 66xx

S5500V2-EI switch series

Release 63xx, Release 65xx, Release 66xx

MS4520V2-30F switch

Release 63xx, Release 65xx, Release 66xx

MS4520V2-30C switch

MS4520V2-54C switch

Release 65xx, Release 66xx

MS4520V2-28S switch

MS4520V2-24TP switch

Release 63xx

S6520X-HI switch series

S6520X-EI switch series

Release 63xx, Release 65xx, Release 66xx

S6520X-SI switch series

S6520-SI switch series

Release 63xx, Release 65xx, Release 66xx

S5000-EI switch series

Release 63xx, Release 65xx, Release 66xx

MS4600 switch series

Release 63xx, Release 65xx, Release 66xx

ES5500 switch series

Release 63xx, Release 65xx, Release 66xx

S5560S-EI switch series

S5560S-SI switch series

Release 63xx

S5500V3-24P-SI

S5500V3-48P-SI

Release 63xx

S5500V3-SI switch series (except S5500V3-24P-SI and S5500V3-48P-SI)

Release 11xx

S5170-EI switch series

Release 11xx

S5130S-HI switch series

S5130S-EI switch series

S5130S-SI switch series

S5130S-LI switch series

Release 63xx

S5120V2-SI switch series

S5120V2-LI switch series

Release 63xx

S5120V3-EI switch series

Release 11xx

S5120V3-36F-SI

S5120V3-28P-HPWR-SI

S5120V3-54P-PWR-SI

Release 11xx

S5120V3-SI switch series (except S5120V3-36F-SI, S5120V3-28P-HPWR-SI, and S5120V3-54P-PWR-SI)

Release 63xx

S5120V3-LI switch series

Release 63xx

S3600V3-EI switch series

Release 11xx

S3600V3-SI switch series

Release 11xx

S3100V3-EI switch series

S3100V3-SI switch series

Release 63xx

S5110V2 switch series

Release 63xx

S5110V2-SI switch series

Release 63xx

S5000V3-EI switch series

S5000V5-EI switch series

Release 63xx

S5000E-X switch series

S5000X-EI switch series

Release 63xx

E128C switch

E152C switch

E500C switch series

E500D switch series

Release 63xx

MS4320V2 switch series

MS4320V3 switch series

MS4300V2 switch series

MS4320 switch series

MS4200 switch series

Release 63xx

WS5850-WiNet switch series

Release 63xx

WS5820-WiNet switch series

WS5810-WiNet switch series

Release 63xx

WAS6000 switch series

Release 63xx

IE4300-12P-AC switch

IE4300-12P-PWR switch

IE4300-M switch series

IE4320 switch series

Release 63xx

 

Restrictions and guidelines

When you configure multicast MAC address entries, follow these guidelines:

·     You must specify an unused multicast MAC address in a manually configured multicast MAC address entry.

·     By default, Ethernet interfaces, VLAN interfaces, and aggregate interfaces are shut down. You must first use the undo shutdown command to bring them up. This example assumes that all these interfaces are already up.

Procedures

# On Switch A, create VLAN 100.

<SwitchA> system-view

[SwitchA] vlan 100

[SwitchA-vlan100] quit

# Configure GigabitEthernet 1/0/1 through GigabitEthernet 1/0/4 to operate in Layer 2 mode, and assign the ports to VLAN 100.

[SwitchA] interface range gigabitethernet 1/0/1 to gigabitethernet 1/0/4

[SwitchA-if-range] port access vlan 100

[SwitchA-if-range] quit

# Translate the multicast IP address 224.1.1.1 to a multicast MAC address (0100-5e01-0101). (Details not shown.)

# Create a static entry for the multicast MAC address 0100-5e01-0101 with GigabitEthernet 1/0/2 and GigabitEthernet 1/0/4 in VLAN 100 as outgoing ports.

[SwitchA] mac-address multicast 0100-5e01-0101 interface gigabitethernet 1/0/2 gigabitethernet 1/0/4 vlan 100

Verifying the configuration

# Display static multicast MAC address entries for VLAN 100 on Switch A.

[SwitchA] display mac-address multicast vlan 100

MAC Address      VLAN ID    State            Port/NickName            Aging

0100-5e01-0101   100        Multicast        GE1/0/2                  N

                                             GE1/0/4

The output shows that GigabitEthernet 1/0/2 and GigabitEthernet 1/0/4 have become outgoing ports of the multicast MAC group 0100-5e01-0101.

Configuration files

IMPORTANT

IMPORTANT:

Support for the port link-mode bridge command depends on the device model.

 

#

vlan 100

#

interface GigabitEthernet1/0/1

 port link-mode bridge

 port access vlan 100

#

interface GigabitEthernet1/0/2

 port link-mode bridge

 port access vlan 100

#

interface GigabitEthernet1/0/3

 port link-mode bridge

 port access vlan 100

#

interface GigabitEthernet1/0/4

 port link-mode bridge

 port access vlan 100

#

mac-address multicast 0100-5e01-0101 interface GigabitEthernet1/0/2 GigabitEthernet1/0/4 vlan 100

#

 

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