Add fedora 22 install docs warning about systemd-network

yyekhlef · yyekhlef · commit 35aebdc803e2 · 2015-08-05T01:33:13.000+02:00
With systemd in version 219 IP forwarding should be forced in the interface configuration file.

Signed-off-by: yyekhlef &lt;yyekhlef@gmail.com&gt;
diff --git a/docs/installation/fedora.md b/docs/installation/fedora.md
@@ -208,7 +208,7 @@ learn how to [customize your Systemd Docker daemon options](/articles/systemd/).
 
 ## Running Docker with a manually-defined network
 
-If you manually configure your network using `systemd-network` with fedora version 22, containers you start with Docker may be unable to access your network.
+If you manually configure your network using `systemd-network` with `systemd` version 219 or higher, containers you start with Docker may be unable to access your network.
 Beginning with version 220, the forwarding setting for a given network (`net.ipv4.conf.<interface>.forwarding`) defaults to *off*. This setting prevents IP forwarding. It also conflicts with Docker which enables the `net.ipv4.conf.all.forwarding` setting within a container.
 
 To work around this, edit the `<interface>.network` file in
@@ -218,6 +218,8 @@ To work around this, edit the `<interface>.network` file in
 [Network]
 ...
 IPForward=kernel
+# OR
+IPForward=true
 ...
 ```
 
