VLAN

 

http://riceball.com/d/content/vlans-netgear-gs108t

 

http://www.draytek.com/index.php?option=com_k2&view=item&id=5440&Itemid=293&lang=en

http://www.abptech.com/8021q-vlan-tagging-draytek-vigor-2960-dual-wan-security-firewall.html