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Configure Broadcast Packet Shielding

Unknown unicast packet, unknown multicast packet and broadcast packet will be broadcasted in VLAN. In some applications, the port does not need to send these packets. Enable the broadcast packet shielding function under these ports, and these ports will not send these packets. This function will take effect in the egress direction of the port.

Configuration Condition

None

Configure Broadcast Packet Shielding

Table 2-19 Configure broadcast packet shielding

Step

Command

Description

Enter the global configuration mode

configure terminal

-

Enter the L2 Ethernet interface configuration mode

interface interface-name

-

Configure the broadcast packet shielding

flood-control { bcast | unknown-mcast | unknown-ucast }

Mandatory

By default, do not shield the broadcast packets, unknown multicast packets, and unknown unicast packets at the egress ports.