--- /dev/null
+#!/bin/sh
+
+. /lib/functions/system.sh
+. /lib/functions/uci-defaults.sh
+
+board_config_update
+
+case "$(board_name)" in
+ traverse,ls1043v)
+ ucidef_set_interface_lan "eth0 eth1 eth2 eth3"
+ ucidef_set_interface_wan "eth4"
+ ;;
+ traverse,ls1043s)
+ ucidef_set_interface_lan "eth0 eth1 eth2 eth3 eth6"
+ ucidef_set_interface_wan "eth4"
+ ;;
+esac
+
+board_config_flush
+
+exit 0