.</span>
  cluster.fork(); <span class="hljs-comment">// Fails with EADDRINUSE.</span>
} <span class="hljs-keyword">else</span> {
  <span class="hljs-keyword">const</span> s = dgram.createSocket(<span class="hljs-string">'udp4'</span>);
  s.bind(<span class="hljs-number">1234</span>, () => {
    s.addMembership(<span class="hljs-string">'224.0.0.114'</span>);
  });
}</code></pre>
<h3><code>socket.addSourceSpecificMembership(sourceAddress, groupAddress[, multicastInterface])</code><span><a class="mark" href=