diff --git a/appliances/docker/30-ipforward.conf b/appliances/docker/30-ipforward.conf
new file mode 100644
index 0000000..b6f093b
--- /dev/null
+++ b/appliances/docker/30-ipforward.conf
@@ -0,0 +1,3 @@
+net.ipv4.ip_forward=1
+net.ipv6.conf.default.forwarding=1
+net.ipv6.conf.all.forwarding=1
diff --git a/appliances/docker/Makefile b/appliances/docker/Makefile
index c49ad00..f03c9d1 100644
--- a/appliances/docker/Makefile
+++ b/appliances/docker/Makefile
@@ -1,6 +1,8 @@
 preinstall:
 
-postinstall:
+postinstall: 30-ipforward.conf eth.network
+	cp 30-ipforward.conf $(CHROOT)/etc/sysctl.d/
+	cp eth.network $(CHROOT)/etc/systemd/network/
 	$(inroot) systemctl enable docker.service
 
 clean:
diff --git a/appliances/docker/eth.network b/appliances/docker/eth.network
new file mode 100644
index 0000000..8bd9bd3
--- /dev/null
+++ b/appliances/docker/eth.network
@@ -0,0 +1,5 @@
+[Match]
+
+[Network]
+DHCP=both
+IPForward=kernel