IGEL Linux v5 IGEL Linux v5 How-Tos Connecting to a Citrix Farm Current: Appliance Mode PDF Download PDF Download page Appliance Mode. Current page All pages Appliance Mode Connecting ICA via Appliance Mode:Click Sessions > Appliance Mode in the configuration tree of the IGEL setup. Activate Enable Citrix XenDesktop.Enter the URL of the delivery server.Activate Enable Smartcard Login if necessary.Click OK to save the changes and close setup.Follow the instructions on the screen. ×