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Example for Configuring Static Multicast MAC Addresses
Networking Requirements
As shown in Figure 3-4, the router connects to a user network through the switch. There are three receivers on the network: HostA, HostB, and HostC. HostA and HostC are allowed to receive packets with destination address 0x0100-5A0A-0A0A, but HostB is not.
Configuration Roadmap
To meet the preceding requirement, configure static multicast MAC addresses on the Layer 2 switch. The configuration roadmap is as follows:
- Create a VLAN and add interfaces to the VLAN.
- Configure the static multicast MAC address 0x0100-5A0A-0A0A on GE0/0/1 and GE0/0/2.
Procedure
- Create a VLAN and add interfaces to the VLAN.
<HUAWEI> system-view [HUAWEI] sysname Switch [Switch] vlan 10 [Switch-vlan10] quit [Switch] interface gigabitethernet 0/0/1 [Switch-GigabitEthernet0/0/1] port link-type hybrid [Switch-GigabitEthernet0/0/1] port hybrid pvid vlan 10 [Switch-GigabitEthernet0/0/1] port hybrid untagged vlan 10 [Switch-GigabitEthernet0/0/1] quit [Switch] interface gigabitethernet 0/0/2 [Switch-GigabitEthernet0/0/2] port link-type hybrid [Switch-GigabitEthernet0/0/2] port hybrid pvid vlan 10 [Switch-GigabitEthernet0/0/2] port hybrid untagged vlan 10 [Switch-GigabitEthernet0/0/2] quit [Switch] interface gigabitethernet 0/0/3 [Switch-GigabitEthernet0/0/3] port link-type hybrid [Switch-GigabitEthernet0/0/3] port hybrid pvid vlan 10 [Switch-GigabitEthernet0/0/3] port hybrid untagged vlan 10 [Switch-GigabitEthernet0/0/3] quit [Switch] interface gigabitethernet 0/0/4 [Switch-GigabitEthernet0/0/4] port link-type hybrid [Switch-GigabitEthernet0/0/4] port hybrid pvid vlan 10 [Switch-GigabitEthernet0/0/4] port hybrid untagged vlan 10 [Switch-GigabitEthernet0/0/4] quit
- Configure the static multicast MAC address on the interfaces connected to HostA and HostC.
[Switch] interface gigabitethernet 0/0/1 [Switch-GigabitEthernet0/0/1] mac-address multicast 0100-5a0a-0a0a vlan 10 [Switch-GigabitEthernet0/0/1] quit [Switch] interface gigabitethernet 0/0/2 [Switch-GigabitEthernet0/0/2] mac-address multicast 0100-5a0a-0a0a vlan 10 [Switch-GigabitEthernet0/0/2] quit
- Verify the configuration.
# Display configured MAC address entries.
[Switch] display mac-address multicast -------------------------------------------------------------------------------- MAC Address VLANID Out-Interface Status -------------------------------------------------------------------------------- 0100-5a0a-0a0a 10 GigabitEthernet0/0/1 Active GigabitEthernet0/0/2 Active 2 port(s) -------------------------------------------------------------------------------- Total Group(s) : 1
The command output shows that static multicast MAC address entries are configured on GE0/0/1 and GE0/0/2.
Configuration Files
Switch configuration file
# sysname Switch # vlan batch 10 # interface GigabitEthernet0/0/1 port link-type hybrid port hybrid pvid vlan 10 port hybrid untagged vlan 10 mac-address multicast 0100-5a0a-0a0a vlan 10 # interface GigabitEthernet0/0/2 port link-type hybrid port hybrid pvid vlan 10 port hybrid untagged vlan 10 mac-address multicast 0100-5a0a-0a0a vlan 10 # interface GigabitEthernet0/0/3 port link-type hybrid port hybrid pvid vlan 10 port hybrid untagged vlan 10 # interface GigabitEthernet0/0/4 port link-type hybrid port hybrid pvid vlan 10 port hybrid untagged vlan 10 # return
