Cisco ASR 9000 Series

bridge-domain domain1
flooding unknown-unicast disable
end
This example shows how to block unknown-unicast flooding at the bridge port level:
configure
l2vpn
bridge-group group1
bridge-domain domain1
interface GigabitEthernet 0/1/0/1
flooding unknown-unicast disable
end
This example shows how to block unknown-unicast flooding at the access pseudowire level:
configure
l2vpn
bridge-group group1
bridge-domain domain1
neighbor 10.1.1.1 pw-id 1000
flooding unknown-unicast disable
end
Disabling MAC Flush: Examples
You can disable the MAC flush at these levels:
• bridge domain
• bridge port (attachment circuit (AC))
• access pseudowire (PW)
The following example shows how to disable the MAC flush at the bridge domain level:
configure
l2vpn
bridge-group group1
bridge-domain domain1
mac
port-down flush disable
end
The following example shows how to disable the MAC flush at the bridge port level:
configure
l2vpn
bridge-group group1
bridge-domain domain1
interface TenGigE 0/0/0/0
mac
port-down flush disable
end
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
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Implementing Multipoint Layer 2 Services
Disabling MAC Flush: Examples