diff --git a/aliases.json_sample b/aliases.json_sample
index 0cadfc3..d779767 100644
--- a/aliases.json_sample
+++ b/aliases.json_sample
@@ -3,7 +3,6 @@
       "name" : "Meute-AP"
    },
    "8e:3d:c2:10:10:28" : {
-      "name" : "holstentor",
-      "group" : 2
+      "name" : "holstentor"
    }
 }
diff --git a/d3mapbuilder.py b/d3mapbuilder.py
index fe354b4..3993710 100644
--- a/d3mapbuilder.py
+++ b/d3mapbuilder.py
@@ -9,10 +9,11 @@ class D3MapBuilder:
 
     nodes = self._db.get_nodes()
 
-    output['nodes'] = [{'group': x.group, 'name': x.name, 'id': x.id,
+    output['nodes'] = [{'name': x.name, 'id': x.id,
                         'macs': ', '.join(x.macs),
-                        'geo': x.gps.split(" ") if x.gps else None
-                       } for x in nodes if x.online]
+                        'geo': x.gps.split(" ") if x.gps else None,
+                        'flags': x.flags
+                       } for x in nodes if x.flags['online']]
     output['links'] = [{'source': x.pair[0], 'target': x.pair[1],
                         'distance': x.distance,
                         'strength': x.strength,
diff --git a/geomapbuilder.py b/geomapbuilder.py
index 5ac8fea..0d5a085 100644
--- a/geomapbuilder.py
+++ b/geomapbuilder.py
@@ -85,7 +85,7 @@ class GeoNode:
       raise
 
     name = self._node.name
-    status = "up" if self._node.online else "down"
+    status = "up" if self._node.flags['online'] else "down"
     gps = gps_format(self._node.gps)
     text = " ".join(self._node.macs)
 
diff --git a/html/force-big.css b/html/force-big.css
index bdd365f..a555f35 100644
--- a/html/force-big.css
+++ b/html/force-big.css
@@ -17,16 +17,16 @@
   stroke-width: 5px !important;
 }
 
-.node ellipse.group-0 {
+.node ellipse {
   fill: #fff;
   stroke: #04f;
 }
 
-.node ellipse.group-2 {
+.node ellipse.gateway {
   stroke: #FF7F0E;
 }
 
-.node ellipse.group-3 {
+.node ellipse.client {
   stroke: #ff0;
   fill: #ff0;
   stroke-width: 5px;
diff --git a/html/force-light.css b/html/force-light.css
index 9063816..540b7a2 100644
--- a/html/force-light.css
+++ b/html/force-light.css
@@ -17,15 +17,15 @@
   stroke-opacity: 1;
 }
 
-.node ellipse.group-0 {
+.node ellipse {
   stroke: #AEC7E8;
 }
 
-.node ellipse.group-2 {
+.node ellipse.gateway {
   stroke: #FF7F0E;
 }
 
-.node ellipse.group-3 {
+.node ellipse.client {
   stroke: #1F77B4;
   fill: #1F77B4;
 }
diff --git a/html/force.js b/html/force.js
index 21a5f0c..8d67a65 100644
--- a/html/force.js
+++ b/html/force.js
@@ -251,12 +251,12 @@ function reload() {
     json.links.forEach(function(d) {
       var node, other
 
-      if (d.source.group == 2) {
+      if (d.source.flags.vpn) {
         node = d.target;
         other = d.source;
       }
 
-      if (d.target.group == 2) {
+      if (d.target.flags.vpn) {
         node = d.source;
         other = d.target;
       }
@@ -280,10 +280,10 @@ function reload() {
 function update() {
   var links = data.links
                    .filter(function (d) {
-                     if (!visible.clients && (d.source.group == 3 || d.target.group == 3))
+                     if (!visible.clients && (d.source.flags.client || d.target.flags.client))
                        return false 
 
-                     if (!visible.vpn && (d.source.group == 2 || d.target.group == 2))
+                     if (!visible.vpn && (d.source.flags.vpn || d.target.flags.vpn))
                        return false 
 
                      return true
@@ -324,13 +324,13 @@ function update() {
   link.exit().remove()
 
   var nodes = data.nodes.filter(function (d) {
-                  if (!visible.vpn && d.group == 2)
+                  if (!visible.vpn && d.flags.vpn)
                     return false
 
-                  if (!visible.vpn && d.group == 3 && d.uplinks)
+                  if (!visible.vpn && d.flags.client && d.uplinks)
                     return false
 
-                  if (!visible.clients && d.group == 3)
+                  if (!visible.clients && d.flags.client)
                     return false
 
                   return true
@@ -353,21 +353,26 @@ function update() {
 
   nodeEnter.append("ellipse")
            .attr("class", function(d) {
-             return "group-" + d.group
+             var s = []
+             for (var key in d.flags)
+               if (d.flags.hasOwnProperty(key) && d.flags[key])
+                 s.push(key)
+
+             return s.join(" ")
            })
 
   node.selectAll("ellipse")
     .attr("rx", function(d) {
-      if (d.group == 3) return 4
+      if (d.flags.client) return 4
       else return Math.max(10, d.name.length * 5)
     })
     .attr("ry", function(d) {
-      if (d.group == 3) return 4
+      if (d.flags.client) return 4
       else return 10
     })
 
   nodeEnter.filter(function(d) {
-      return d.group != 3
+      return !d.flags.client
     })
     .append("text")
     .attr("class", "name")
diff --git a/node.py b/node.py
index 57c7f88..7ff03bb 100644
--- a/node.py
+++ b/node.py
@@ -3,14 +3,13 @@ class Node():
     self.name = ""
     self.id = ""
     self.macs = set()
-    self.group = 0
-    self.online = False
+    self.flags = dict({
+      "online": False,
+      "vpn": False,
+      "gateway": False,
+      "client": False
+    })
     self.gps = None
-    # groups:
-    # 0 normal node
-    # 1 aftermath
-    # 2 gateways
-    # 3 TT
 
   def add_mac(self, mac):
     mac = mac.lower()
diff --git a/nodedb.py b/nodedb.py
index a37fe5f..7ae8f7b 100644
--- a/nodedb.py
+++ b/nodedb.py
@@ -47,7 +47,7 @@ class NodeDB:
           node = self.maybe_node_by_mac((x['of'], x['secondary']))
         except:
           node = Node()
-          node.online = True
+          node.flags['online'] = True
           self._nodes.append(node)
 
         node.add_mac(x['of'])
@@ -61,7 +61,7 @@ class NodeDB:
           node = self.maybe_node_by_mac((x['router'], ))
         except:
           node = Node()
-          node.online = True
+          node.flags['online'] = True
           node.add_mac(x['router'])
           self._nodes.append(node)
 
@@ -97,9 +97,9 @@ class NodeDB:
           node = self.maybe_node_by_mac((x['neighbor'], ))
         except:
           node = Node()
-          node.online = True
+          node.flags['online'] = True
           if x['label'] == 'TT':
-            node.group = 3
+            node.flags['client'] = True
 
           node.add_mac(x['neighbor'])
           self._nodes.append(node)
@@ -142,8 +142,6 @@ class NodeDB:
         continue
 
       node.name = alias['name']
-      if 'group' in alias:
-        node.group = alias['group']
 
   # list of macs
   # if options['gateway']:
@@ -155,12 +153,13 @@ class NodeDB:
       except:
         continue
 
-      node.group = 2
+      node.flags['gateway'] = True
+      node.flags['vpn'] = True
 
   def map_link(self, pair):
     distance = 80
     strength = 0.2
-    if any(filter(lambda x: self._nodes[x].group == 3, pair[0])):
+    if any(filter(lambda x: self._nodes[x].flags['client'], pair[0])):
       distance = 10
       strength = 1