Brocade Multi-Service IronWare Switching Configuration Gui Manual de usuario Pagina 222

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192 Multi-Service IronWare Switching Configuration Guide
53-1003036-02
Unknown unicast flooding on VLAN ports
7
Example
Brocade(config)#
Brocade(config)# vlan 2
Brocade(config-vlan-2)# multicast-flooding
Brocade(config-vlan-2)# exit
Syntax: [no] multicast-flooding
NOTES:
This feature cannot be enabled on an empty VLAN; the VLAN must already have ports
assigned to it prior to enabling this feature.
This feature is not supported on Layer 3 protocol-based VLANs.
If you enable this feature on a VLAN that includes a LAG group, hardware flooding for
Layer 2 multicast and broadcast packets occurs only on the LAG group’s primary port.
Multicast and broadcast traffic for the other ports in the LAG group is handled by
software.
Unknown unicast flooding on VLAN ports
Unknown unicast packets do not have a specific (or unicast) recipient. In order for these “special”
packets to reach their intended recipient, they needed to be sent on all ports of the VLAN (or
“flooded” across the VLAN).
You must enable hardware flooding for unknown unicast packets on the Brocade router. It is
disabled by default.
NOTE
This feature is enabled by default on the Brocade NetIron CES devices.
To enable unicast hardware flooding on a VLAN ports and enable software flooding, enter
commands such as the following.
Brocade(config)# vlan 2
Brocade(config-vlan-2)# unknown-unicast-flooding
Brocade(config-vlan-2)# exit
Syntax: [no] unknown-unicast-flooding
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