diff --git a/gluon/gluon-luci-portconfig/files/usr/lib/lua/luci/model/cbi/admin/portconfig.lua b/gluon/gluon-luci-portconfig/files/usr/lib/lua/luci/model/cbi/admin/portconfig.lua
index 7233d5c..326eae9 100644
--- a/gluon/gluon-luci-portconfig/files/usr/lib/lua/luci/model/cbi/admin/portconfig.lua
+++ b/gluon/gluon-luci-portconfig/files/usr/lib/lua/luci/model/cbi/admin/portconfig.lua
@@ -12,6 +12,7 @@ You may obtain a copy of the License at
 $Id$
 ]]--
 
+local sysconfig = require 'gluon.sysconfig'
 local uci = luci.model.uci.cursor()
 
 local wan = uci:get_all("network", "wan")
@@ -88,6 +89,13 @@ o = s:option(Flag, "mesh_wan", "Mesh auf dem WAN-Port aktivieren")
 o.default = uci:get_bool("network", "mesh_wan", "auto") and o.enabled or o.disabled
 o.rmempty = false
 
+if sysconfig.lan_ifname then
+  o = s:option(ListValue, "lan_mode", "LAN-Ports")
+  o:value("client", "Freifunk-Netzwerk")
+  o:value("wan", "Heim-Netzwerk vom WAN-Port")
+  o.default = uci:get("gluon-luci-portconfig", "portconfig", "lan_mode")
+end
+
 function f.handle(self, state, data)
   if state == FORM_VALID then
     uci:set("network", "wan", "proto", data.ipv4)
@@ -112,6 +120,21 @@ function f.handle(self, state, data)
 
     uci:set("network", "mesh_wan", "auto", data.mesh_wan)
 
+    if sysconfig.lan_ifname then
+      uci:set("gluon-luci-portconfig", "portconfig", "lan_mode", data.lan_mode)
+      uci:save("gluon-luci-portconfig")
+      uci:commit("gluon-luci-portconfig")
+
+      -- add to WAN interface
+      local wan_ifname = uci:get('network', 'wan', 'ifname')
+      if not wan_ifname:match(sysconfig.lan_ifname) then
+        uci:set('network', 'wan', 'ifname', wan_ifname .. ' ' .. sysconfig.lan_ifname)
+      end
+      -- remove from client interface (if existent)
+      local new_lan_ifname = uci:get('network', 'client', 'ifname'):gsub(' ?' .. sysconfig.lan_ifname .. ' ?', ' ')
+      uci:set('network', 'client', 'ifname', new_lan_ifname)
+    end
+
     uci:save("network")
     uci:commit("network")
 
diff --git a/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/mesh-batman-adv-core/invariant/011-mesh b/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/mesh-batman-adv-core/invariant/011-mesh
index c9638c4..aad1629 100755
--- a/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/mesh-batman-adv-core/invariant/011-mesh
+++ b/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/mesh-batman-adv-core/invariant/011-mesh
@@ -18,12 +18,19 @@ uci:commit('batman-adv')
 
 
 if not uci:get('network', 'client') then
-  local ifname
+  local ifname = 'bat0'
 
   if sysconfig.lan_ifname then
-    ifname = sysconfig.lan_ifname .. ' bat0'
-  else
-    ifname = 'bat0'
+    -- if the LAN interface already is in another interface, don't add it to client
+    local add_lan = true
+    uci:foreach('network', 'interface', function(section)
+      if section.ifname and section.ifname:match(sysconfig.lan_ifname) then
+        add_lan = false
+      end
+    end)
+    if add_lan then
+      ifname = ifname .. ' ' .. sysconfig.lan_ifname
+    end
   end
 
   uci:section('network', 'interface', 'client',