eworm-de-routeros-scripts/learn-mac-based-vlan

#!rsc
# RouterOS script: learn-mac-based-vlan
# Copyright (c) 2013-2019 Christian Hesse <mail@eworm.de>
#
# learn MAC address for MAC-based-VLAN

:local NewVlanId 33;

:if ( [ / interface ethernet switch mac-based-vlan print count-only where src-mac-address=$leaseActMAC ] = 0 ) do={
  :log info ("MAC-based-VLAN: learning MAC address " . $leaseActMAC . " for VLAN " . $NewVlanId . ".");
  / interface ethernet switch mac-based-vlan add src-mac-address=$leaseActMAC new-customer-vid=$NewVlanId;
}