flooding disable
To configure flooding for traffic at the bridge domain level or at the bridge port level, use the flooding disable
command in L2VPN bridge group bridge domain configuration mode. To return the bridge to normal flooding
behavior when all unknown unicast packets, all broadcast packets, and all multicast packets are flooded over
all other bridge domain network interfaces, use the no form of this command.
flooding disable
no flooding disable
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 3.7.0
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 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, all broadcast packets, and all multicast packets are
discarded.
Task ID
OperationsTask ID
read, writel2vpn
Examples
The following example shows how to disable flooding on the bridge domain called bar:
RP/0/0/CPU0:router# configure
RP/0/0/CPU0:router(config)# l2vpn
RP/0/0/CPU0:router(config-l2vpn)# bridge group 1
RP/0/0/CPU0:router(config-l2vpn-bg)# bridge-domain bar
RP/0/0/CPU0:router(config-l2vpn-bg-bd)# flooding disable
Cisco IOS XR Virtual Private Network Command Reference for the Cisco XR 12000 Series Router, Release 4.3.x
OL-28460-01 165
Virtual Private LAN Services Commands
flooding disable
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