ucidef_add_switch_vlan "switch0" "2" "4 8t"
                ;;
 
+       tew-691gr|\
        tew-692gr)
                ucidef_set_interfaces_lan_wan "eth0.1" "eth0.2"
                ucidef_add_switch "switch0" "1" "1"
                wan_mac=$(ramips_get_mac_binary factory 32772)
                ;;
 
+       tew-691gr)
+               lan_mac=$(ramips_get_mac_binary factory 40)
+               wan_mac=$(/usr/sbin/maccalc add "$lan_mac" 3)
+               ;;
+
        tew-692gr)
                lan_mac=$(ramips_get_mac_binary factory 40)
                wan_mac=$(/usr/sbin/maccalc add "$lan_mac" 4)