diff --git a/files/usr/local/bin/node-setup b/files/usr/local/bin/node-setup
index 2ff7f733..5566038f 100755
--- a/files/usr/local/bin/node-setup
+++ b/files/usr/local/bin/node-setup
@@ -90,7 +90,7 @@ local dtdmac = mac_to_ip(aredn.hardware.get_interface_mac(lanintf:match("^(%S+)"
 local deleteme = {}
 local cfg = {
     lan_intf = lanintf,
-    wan_intf = "dummy",
+    wan_intf = aredn.hardware.get_board().network.wan.ifname,
     dtdlink_intf = aredn.hardware.get_bridge_iface_names('dtdlink')
 }
 
diff --git a/files/usr/local/bin/wifi-setup b/files/usr/local/bin/wifi-setup
index d0ca5af2..d4b009a3 100755
--- a/files/usr/local/bin/wifi-setup
+++ b/files/usr/local/bin/wifi-setup
@@ -55,14 +55,6 @@ done < $configfile
 meshif="$(uci -q get network.wifi.ifname)"
 meshphy="phy${meshif#wlan}"
 
-# set physical wan interface in network
-
-wan_intf=`cat /etc/board.json|jsonfilter -e '@.network.wan.ifname'`
-uci -c ${dropdir} -q batch > /dev/null <<-EOF
-set network.wan.ifname="$wan_intf"
-EOF
-uci -c ${dropdir} -q commit network
-
 rm -f "${dropdir}/wireless" 
 touch "${dropdir}/wireless"
 
diff --git a/files/www/cgi-bin/advancedconfig b/files/www/cgi-bin/advancedconfig
index 5237de1a..5eb392a8 100755
--- a/files/www/cgi-bin/advancedconfig
+++ b/files/www/cgi-bin/advancedconfig
@@ -196,7 +196,8 @@ local settings = {
         key = "aredn.@tunnel[0].wanonly",
         type = "boolean",
         desc = "Prevents tunnel traffic from being routed over the mesh network itself.",
-        default = "1"
+        default = "1",
+        needreboot= true
     },
     {
         key = "aredn.@meshstatus[0].lowmem",
@@ -210,6 +211,14 @@ local settings = {
         desc = "When low memory is detected, limit the number of routes shown on the mesh status page",
         default = "1000"
     },
+    {
+        key = "network.wan.ifname",
+        type = "string",
+        desc = "Specify WAN interface VLAN #. MUST be entered as ethX.YY where X is the interface (usually '0') and YY is the VLAN # to use.",
+        default = "",
+        postcallback = "postChangeWANVLAN()",
+        needreboot = true
+    },
     {
         key = "aredn.olsr.restart",
         type = "none",
@@ -234,7 +243,8 @@ local settings = {
         key = "aredn.@alerts[0].pollrate",
         type = "string",
         desc = "Specifies how many hours to wait between polling for new AREDN Alerts.",
-        default = "12"
+        default = "12",
+        needreboot = true
     },
     {
         key = "aredn.aam.purge",
@@ -446,6 +456,28 @@ function adjustTunnelInterfaceCount()
     end
 end
 
+function postChangeWANVLAN()
+    local lines = {}
+    for line in io.lines("/etc/config.mesh/_setup")
+    do
+        if not line:match("^wan_intf = ") then
+            lines[#lines + 1] = line
+        end
+    end
+    if newval ~= "" then
+        lines[#lines + 1] = "wan_intf = " .. newval
+    end
+    local f = io.open("/etc/config.mesh/_setup", "w")
+    if f then
+        for _, line in ipairs(lines)
+        do
+            f:write(line .. "\n")
+        end
+        f:close()
+    end
+    os.execute("/usr/local/bin/node-setup -a mesh")
+end
+
 -- read_postdata
 local parms = {}
 if os.getenv("REQUEST_METHOD") == "POST" then
@@ -496,6 +528,9 @@ do
         if setting.postcallback then
             loadstring(setting.postcallback)()
         end
+        if setting.needreboot then
+            io.open("/tmp/reboot-required", "w"):close()
+        end
         break
     end
 end
@@ -605,6 +640,10 @@ html.print("</td></tr>")
 
 html.print("<tr><td align=center><a href='/help.html#advancedconfig' target='_blank'>Help</a>&nbsp;&nbsp;<input type=submit name=button_reboot value=Reboot style='font-weight:bold' title='Immediately reboot this node'>&nbsp;&nbsp;<input type=submit name=button_firstboot value='Reset to Firstboot' onclick=\"return confirm('All config settings and add-on packages will be lost back to first boot state. Continue?')\"  title='Reset this node to the initial/firstboot status and reboot.'></td></tr>")
 
+if nixio.fs.stat("/tmp/reboot-required") then
+    html.print("<tr><td align=center><h3>Reboot is required for changes to take effect</h3></td></tr>")
+end
+
 for _, m in ipairs(msgs)
 do
     html.print("<tr><td align='center'><strong>" .. m .. "</strong></td></tr>")
diff --git a/files/www/cgi-bin/setup b/files/www/cgi-bin/setup
index f371fbef..1d453eed 100755
--- a/files/www/cgi-bin/setup
+++ b/files/www/cgi-bin/setup
@@ -1310,6 +1310,7 @@ html.print("</select></td><td align=left>NTP Server</td><td><input type=text nam
 
 hidden[#hidden + 1] = "<input type=hidden name=reload value=1>"
 hidden[#hidden + 1] = "<input type=hidden name=dtdlink_ip value='" .. dtdlink_ip .. "'>"
+hidden[#hidden + 1] = "<input type=hidden name=wan_intf value='" .. (wan_intf or "") .. "'>"
 
 for _,hid in ipairs(hidden)
 do