check the endpoints are actually equal to populate the cluster master and slave nodes correctly

StackExchange.Redis/StackExchange/Redis/ServerEndPoint.cs

@@ -214,7 +214,7 @@ public void SetClusterConfiguration(ClusterConfiguration configuration)
                 multiplexer.Trace("Updating cluster ranges...");
                 multiplexer.UpdateClusterRange(configuration);
                 multiplexer.Trace("Resolving genealogy...");
-                var thisNode = configuration.Nodes.FirstOrDefault(x => x.EndPoint == this.EndPoint);
+                var thisNode = configuration.Nodes.FirstOrDefault(x => x.EndPoint.Equals(this.EndPoint));
                 if (thisNode != null)
                 {
                     List<ServerEndPoint> slaves = null;