diff --git a/luci-app-mptcp/luasrc/controller/mptcp.lua b/luci-app-mptcp/luasrc/controller/mptcp.lua
index 69ea37d7a..aab837e02 100644
--- a/luci-app-mptcp/luasrc/controller/mptcp.lua
+++ b/luci-app-mptcp/luasrc/controller/mptcp.lua
@@ -11,6 +11,8 @@ function index()
 	entry({"admin", "network", "mptcp", "bandwidth"}, template("mptcp/multipath"), _("Bandwidth"), 3).leaf = true
 	entry({"admin", "network", "mptcp", "multipath_bandwidth"}, call("multipath_bandwidth")).leaf = true
 	entry({"admin", "network", "mptcp", "interface_bandwidth"}, call("interface_bandwidth")).leaf = true
+	entry({"admin", "network", "mptcp", "mptcp_check"}, template("mptcp/mptcp_check"), _("MPTCP Support Check"), 4).leaf = true
+	entry({"admin", "network", "mptcp", "mptcp_check_trace"}, post("mptcp_check_trace")).leaf = true
 end
 
 function interface_bandwidth(iface)
@@ -50,3 +52,26 @@ function multipath_bandwidth()
 	luci.http.prepare_content("application/json")
 	luci.http.write_json(result)
 end
+
+function mptcp_check_trace(iface)
+	luci.http.prepare_content("text/plain")
+	local tracebox
+	local uci    = require "luci.model.uci".cursor()
+	local interface = get_device(iface)
+	local server = uci:get("shadowsocks-libev", "sss0", "server") or ""
+	if server == "" then return end
+	if interface == "" then
+		tracebox = io.popen("tracebox -s /usr/share/tracebox/omr-mptcp-trace.lua " .. server)
+	else
+		tracebox = io.popen("tracebox -s /usr/share/tracebox/omr-mptcp-trace.lua -i " .. interface .. " " .. server)
+	end
+	if tracebox then
+		while true do
+			local ln = tracebox:read("*l")
+			if not ln then break end
+			luci.http.write(ln)
+			luci.http.write("\n")
+		end
+	end
+	return
+end
diff --git a/luci-app-mptcp/luasrc/view/mptcp/mptcp_check.htm b/luci-app-mptcp/luasrc/view/mptcp/mptcp_check.htm
new file mode 100644
index 000000000..97b560bbb
--- /dev/null
+++ b/luci-app-mptcp/luasrc/view/mptcp/mptcp_check.htm
@@ -0,0 +1,73 @@
+<%+header%>
+
+<%
+	local uci = require("luci.model.uci").cursor()
+	local sys = require "luci.sys"
+	local ifaces = sys.net:devices()
+	local net = require "luci.model.network".init()
+%>
+
+<script type="text/javascript" src="<%=resource%>/cbi.js?v=git-18.193.28471-ee087a1"></script>
+<script type="text/javascript">//<![CDATA[
+    var stxhr = new XHR();
+
+    function update_mptcp(interface)
+    {
+	var trace = document.getElementById('tracebox');
+
+	if (trace)
+	{
+	    trace.innerHTML =
+		'<img src="<%=resource%>/icons/loading.gif" alt="<%:Loading%>" style="vertical-align:middle" /> ' + '<%:Waiting for command to complete...%>'
+	    ;
+
+	    stxhr.post('<%=url('admin/system/openmptcprouter')%>/mptcp_check_trace/' + interface, { token: '<%=token%>' },
+		function(x)
+		{
+		    if (x.responseText)
+		    {
+			trace.innerHTML = String.format('<pre>%s</pre>', x.responseText );
+		    } else {
+			trace.innerHTML = '<pre><%:Error%></pre>';
+		    }
+		}
+	    );
+	}
+    }
+//]]></script>
+
+<% if stderr and #stderr > 0 then %><pre class="error"><%=pcdata(stderr)%></pre><% end %>
+<form class="inline" method="post" action="<%=url('admin/system/openmptcprouter/mptcp_check_trace')%>">
+    <div class="cbi-map">
+	<h2 name="content"><%:MPTCP Support Check%></h2>
+	<div class="cbi-map-descr"><%:Check if MPTCP between interface and server is working.%></div>
+	<fieldset class="cbi-section" id="networks">
+	    <legend><%:Settings%></legend>
+	    <div class="cbi-section-descr"></div>
+	    <div class="cbi-value">
+		<label class="cbi-value-title"><%:Interface%></label>
+		<div class="cbi-value-field">
+		    <select class="cbi-input-select" name="interface" size="1">
+			<%
+			    for _, iface in ipairs(net:get_networks()) do
+				local ifname = iface:name()
+				local multipath = uci:get("network",ifname,"multipath")
+				if multipath ~= "off" then
+			%>
+			<option value="<%=ifname%>"><%=ifname%></option>
+			<%
+				end
+			    end
+			%>
+		    </select>
+		</div>
+	    </div>
+	    <input type="button" value="<%:Test%>" class="cbi-button cbi-button-apply" onclick="update_mptcp(this.form.interface.value)" />
+	</fieldset>
+    </div>
+</form>
+    
+<div class="cbi-section">
+    <span id="tracebox"></span>
+</div>
+<%+footer%>
diff --git a/luci-app-mptcp/luasrc/view/mptcp/multipath.htm b/luci-app-mptcp/luasrc/view/mptcp/multipath.htm
index 27be51b1c..d6d92bb4d 100644
--- a/luci-app-mptcp/luasrc/view/mptcp/multipath.htm
+++ b/luci-app-mptcp/luasrc/view/mptcp/multipath.htm
@@ -50,7 +50,7 @@
 		if(str == "wan1")
 			return "DeepSkyBlue";
 		if(str == "wan2")
-			return "LightGreen";
+			return "SeaGreen";
 		if(str == "wan3")
 			return "PaleGreen";
 		if(str == "wan4")
@@ -58,7 +58,7 @@
 		if(str == "wan5")
 			return "Salmon";
 		if(str == "wan6")
-			return "SeaGreen";
+			return "LightGreen";
 		if(str == "wan7")
 			return "PaleTurquoise";
 		// Generate a color folowing the name
@@ -513,7 +513,7 @@
 				);
 				XHR.run();
 		            }
-	                }, 1000
+	                }, 2000
 <% else %>
 	var bwxhr = new XHR();
 
@@ -754,7 +754,7 @@
 				);
 				XHR.run();
 			}
-		}, 1000
+		}, 2000
 <% end %>
 	);
 //]]></script>