gcp: Google Cloud only supports an MTU of 1460

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/initscripts/helper/gcp-setup b/src/initscripts/helper/gcp-setup
index 184608f9f48cc8a510a99741c929e848005f23a4..eab09eb2caeeead33f07ee8004cdff22c2cf5eec 100644 (file)
--- a/src/initscripts/helper/gcp-setup
+++ b/src/initscripts/helper/gcp-setup
@@ -6,6 +6,9 @@
 # Set PATH to find our own executables
 export PATH=/usr/local/sbin:/usr/local/bin:${PATH}
 
+# GCP only supports an MTU of 1460
+DEFAULT_MTU=1460
+
 get() {
        local file="${1}"
 
@@ -156,6 +159,7 @@ import_gcp_configuration() {
                                        echo "RED_NETMASK=${netmask}"
                                        echo "RED_NETADDRESS=${netaddress}"
                                        echo "RED_BROADCAST=${broadcast}"
+                                       echo "RED_MTU=${DEFAULT_MTU}"
                                        echo "DEFAULT_GATEWAY=${gateway}"
                                ) >> /var/ipfire/ethernet/settings
 
@@ -177,6 +181,7 @@ import_gcp_configuration() {
                                        echo "GREEN_NETMASK=${netmask}"
                                        echo "GREEN_NETADDRESS=${netaddress}"
                                        echo "GREEN_BROADCAST=${broadcast}"
+                                       echo "GREEN_MTU=${DEFAULT_MTU}"
                                ) >> /var/ipfire/ethernet/settings
                                ;;
 
@@ -193,6 +198,7 @@ import_gcp_configuration() {
                                        echo "ORANGE_NETMASK=${netmask}"
                                        echo "ORANGE_NETADDRESS=${netaddress}"
                                        echo "ORANGE_BROADCAST=${broadcast}"
+                                       echo "ORANGE_MTU=${DEFAULT_MTU}"
                                ) >> /var/ipfire/ethernet/settings
                                ;;
                esac