Controller Based WLANs

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How to stop unknown unicast from LAN to be flooded by the controller to WLAN 

Jul 03, 2014 05:01 PM

By default behavior of switching the unknown unicast is flooded across. On Aruba controller we could stop the unknown unicast coming from the LAN to be flooded, by enabling the BC/MC optimization on the VLAN interface

(config) #interface vlan < VLAN ID > 
(config-subif)#bcmc-optimization

Before enabling BC/MC optimization please read below

BC-MC Optimization (VLAN Knob): This will drop all the broadcast and multicast frames on a VLAN (both wired and wireless interfaces) except for ARP, DHCP, IPv6 router advertisement, IPv6 neighbor solicitation and VRRP traffic. 

 

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