diff --git a/src/initscripts/helper/aws-setup b/src/initscripts/helper/aws-setup
index 884319822..9b67019d6 100644
--- a/src/initscripts/helper/aws-setup
+++ b/src/initscripts/helper/aws-setup
@@ -6,6 +6,9 @@
 # Set PATH to find our own executables
 export PATH=/usr/local/sbin:/usr/local/bin:${PATH}
 
+# AWS supports an MTU of up to 9001 bytes
+DEFAULT_MTU=9001
+
 get() {
 	local file="${1}"
 
@@ -167,6 +170,7 @@ import_aws_configuration() {
 					echo "RED_NETMASK=${netmask}"
 					echo "RED_NETADDRESS=${netaddress}"
 					echo "RED_BROADCAST=${broadcast}"
+					echo "RED_MTU=1500"
 					echo "DEFAULT_GATEWAY=${gateway}"
 				) >> /var/ipfire/ethernet/settings
 
@@ -188,6 +192,7 @@ import_aws_configuration() {
 					echo "GREEN_NETMASK=${netmask}"
 					echo "GREEN_NETADDRESS=${netaddress}"
 					echo "GREEN_BROADCAST=${broadcast}"
+					echo "GREEN_MTU=${DEFAULT_MTU}"
 				) >> /var/ipfire/ethernet/settings
 				;;
 
@@ -204,6 +209,7 @@ import_aws_configuration() {
 					echo "ORANGE_NETMASK=${netmask}"
 					echo "ORANGE_NETADDRESS=${netaddress}"
 					echo "ORANGE_BROADCAST=${broadcast}"
+					echo "ORANGE_MTU=${DEFAULT_MTU}"
 				) >> /var/ipfire/ethernet/settings
 				;;
 		esac