The $U node is visible from the Univiewer Console but it showing as disconnected. The node shows up in the Design or Monitoring mode but when you try to access the node, it times out.
Release : 6.x
Component : DOLLAR UNIVERSE, Univiewer Manager Server(UVMS), Univiewer Console(UVC)
-Make sure that the $U node is started
-Make sure that the hostname where the $U node is installed is reachable from the servers of the UVMS and UVC. This can be done using the ping command.
ping <$U hostname>
-Make sure that the ports used by the $U node are reachable from the servers of the UVMS and UVC. This can be done using the telnet command.
telnet <$U hostname> <port of IO>
If any of them failed, please check with the System Administrator as this is due to network or firewall issue.