It is me that should say &#x27;sorry&#x27;, I found this on a bit of documentation about GCE:<p>&quot;Note: Compute Engine networks only support point-to-point IPv4 traffic. Broadcast and Multicast are not supported.&quot;<p><a href="https:&#x2F;&#x2F;cloud.google.com&#x2F;compute&#x2F;docs&#x2F;networking?hl=en" rel="nofollow">https:&#x2F;&#x2F;cloud.google.com&#x2F;compute&#x2F;docs&#x2F;networking?hl=en</a><p>And this:<p><a href="https:&#x2F;&#x2F;code.google.com&#x2F;p&#x2F;google-compute-engine&#x2F;issues&#x2F;detail?id=8" rel="nofollow">https:&#x2F;&#x2F;code.google.com&#x2F;p&#x2F;google-compute-engine&#x2F;issues&#x2F;detai...</a><p>So: Sorry!