flooding unknown-unicast disable (VPLS)
To disable flooding of unknown unicast traffic at the bridge domain level or at the bridge port level, use the
flooding unknownunknow-unicast disable command in L2VPN bridge group bridge domain configuration
mode. To return the bridge to normal flooding behavior, use the no form of this command.
flooding unknown-unicast disable
no flooding unknown-unicast disable
Syntax Description
This command has no keywords or arguments.
Command Default
The default behavior is that packets are flooded when their destination MAC address is not found.
Command Modes
L2VPN bridge group bridge domain configuration
Command History
ModificationRelease
This command was introduced.Release 3.9.0
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
Use the flooding unknown-unicast disable command to override the parent bridge configuration.
By default, bridge ports inherit the flooding behavior of the bridge domain.
When flooding is disabled, all unknown unicast packets are discarded.
Use this command on Layer 2 interfaces. This command is not applicable on BVI interfaces.
Task ID
OperationsTask ID
read, writel2vpn
Examples
The following example shows how to disable flooding on the bridge domain called bar:
RP/0/RSP0/CPU0:router# configure
RP/0/RSP0/CPU0:router(config)# l2vpn
RP/0/RSP0/CPU0:router(config-l2vpn)# bridge group 1
RP/0/RSP0/CPU0:router(config-l2vpn-bg)# bridge-domain bar
RP/0/RSP0/CPU0:router(config-l2vpn-bg-bd)# flooding unknown-unicast disable
Cisco ASR 9000 Series Aggregation Services Router VPN and Ethernet Services Command Reference, Release
6.1.x
259
Multipoint Layer 2 Services Commands
flooding unknown-unicast disable (VPLS)
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