Allied Telesis IE340 Series - switchport block unicast-flooding

C613-50631-01 Rev A Command Reference for IE340 Series 621
AlliedWare Plus™ Operating System - Version 5.5.3-0.x
SWITCHING COMMANDS
SWITCHPORT
BLOCK UNICAST-FLOODING
switchport block unicast-flooding
Overview Use this command to enable Unknown Unicast Flood Prevention (UUFP). The
UUFP feature prevents unknown unicast traffic from being flooded to all Layer 2
ports in a VLAN. When enabled, UUFP only permits egress traffic for MAC addresses
that are known to exist on the port.
Use the no variant of this command to disable UUFP.
Syntax
switchport block unicast-flooding
no switchport block unicast-flooding
Default UUFP is off.
Mode Interface Configuration for a switchport.
Example To enable the UUFP feature on port1.0.3, use the commands:
awplus# configure terminal
awplus(config)# interface port1.0.3
awplus(config-if)# switchport block unicast-flooding
To disable the UUFP feature on port1.0.3, use the commands:
awplus# configure terminal
awplus(config)# interface port1.0.3
awplus(config-if)# no switchport block unicast-flooding
To check if UUFP is enabled on port1.0.3, use the command:
awplus# show interface port1.0.3
awplus#show interface port1.0.3
Interface port1.0.3
Scope: both
Link is UP, administrative state is UP
Thrash-limiting
Status Not Detected, Action learn-disable, Timeout 1(s)
Hardware is Ethernet, address is 0000.cd28.088a
index 5013 metric 1 mru 1500
current duplex full, current speed 1000, current polarity mdix
configured duplex auto, configured speed auto, configured polarity auto

SNMP link-status traps: Disabled
input packets 0, bytes 0, dropped 0, multicast packets 0
output packets 0, bytes 0, multicast packets 0, broadcast packets 0
input average rate : 30 seconds 0 bps, 5 minutes 0 bps
output average rate: 30 seconds 0 bps, 5 minutes 0 bps
Time since last state change: 0 days 00:00:35
Unknown unicast flooding blocking is enabled