Do you want to use an DHCP service on the Internet Router as well? If yes you should also get familiar with the EXOS command regarding bootp relay. http://documentation.extremenetworks.com/exos/EXOS_All/IPUnicast/c_managing-dhcpbootp-relay.shtml#i994216 In all cases you will need the already mentioned interVLAN Routing: https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-enable-inter-VLAN-routing-in-EXOS Cheers, Jan