--- a/package/base-files/files/etc/rc.local
+++ b/package/base-files/files/etc/rc.local
@@ -1,4 +1,12 @@
 # Put your custom commands here that should be executed once
 # the system init finished. By default this file does nothing.
+
+BOARDID=$(/usr/local/bin/get_boardid)                                 
+case "$BOARDID" in                                                         
+        0xe885|0xe4e5|0xe6e5)                                                            
+		/usr/sbin/ethtool -s eth0 speed 100 duplex full autoneg on
+                ;;
+esac
+
 exit 0