Roxy-WI allows to change IPs and ports for backend servers on the fly without reloading or restarting HAProxy service. Just specify a server, enter the new IP, port and press the "Enter" button. This procedure is described in details below.
Go to the Runtime API -> Change IP and port.
Select the server on which you would like to change settings(in the black box)
Second step: select a backend (in the blue box)
Select a server inside the backend. Roxy-WI will show the currnet running settings for this server and you will be able to change them (in the yellow box)
Press "Enter" (in the red box)