3-1
3 Common Multicast Configuration
Common Multicast Configuration
Configuring a Multicast MAC Address Entry
In Layer 2 multicast, the system can add multicast forwarding entries dynamically through a Layer 2
multicast protocol. Alternatively, you can statically bind a port to a multicast MAC address entry by
configuring a multicast MAC address entry manually.
Generally, when receiving a multicast packet for a multicast group not yet registered on the switch, the
switch will flood the packet within the VLAN to which the port belongs. You can configure a static
multicast MAC address entry to avoid this.
Table 3-1 Configure a multicast MAC address entry in system view
Operation Command Remarks
Enter system view
system-view
—
Create a multicast MAC
address entry
mac-address multicast
mac-address interface
interface-list vlan vlan-id
Required
The mac-address argument
must be a multicast MAC
address.
Table 3-2 Configure a multicast MAC address entry in Ethernet port view
Operation Command Remarks
Enter system view system-view —
Enter Ethernet port view
interface interface-type
interface-number
—
Create a multicast MAC
address entry.
mac-address multicast
mac-address vlan vlan-id
Required
The mac-address argument
must be a multicast MAC
address.
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