diff --git a/site.conf b/site.conf
index 9b1e74b..3b2f7b9 100644
--- a/site.conf
+++ b/site.conf
@@ -39,41 +39,36 @@
         },
         mtu = 1406,
         groups = {
-            wupper = {
-                limit = 1,
-                peers = {
-                    wupper0 = {
-                        key = '7142f897f4e55d2c19207aa59db92ec54d7517cf558d5ecaef33689234952a4b',
-                        remotes = {'"wupper0.freifunk-troisdorf.de" port 53840'},
-                    },
-                    wupper1 = {
-                        key = '6eae041199ee627689bfa026afbd8a9ab299eca8aed4144321d098cffd62668e',
-                        remotes = {'"wupper1.freifunk-troisdorf.de" port 53840'},
-                    },
-                    wupper2 = {
-                            key = 'b7f319d59d8383ba813c3503416bca45f70852e4d207b1743bb6cdca1e30d9f5',
-                            remotes = {'"wupper2.freifunk-troisdorf.de" port 53840'},
-                    },
-                    wupper3 = {
-                        key = 'c8f3d1d10b0d6389e39c3c3cb08adfa3123e821fd5bfd6262d2161d80ee4b06c',
-                        remotes = {'"wupper3.freifunk-troisdorf.de" port 53840'},
-                    },
-                    wupper4 = {
-                        key = '5e7fa122990dbc34b8cae7ece2cd4ef919d3f8c23a674b7bbcf05bfebe6a6e8a',
-                        remotes = {'"wupper4.freifunk-troisdorf.de" port 53840'},
-                    },
-                },
-            },
-            troisdorf = {
-                limit = 1,
-                peers = {
-                    gateway2 = {
-                        key = '9154293d90bb907a647338585da4ddf283e534a948a0bb73ca604391fdd4aa0b',
-                        remotes = {'"gateway2.freifunk-troisdorf.de" port 53840'},
-                        },
-                    },
+            backbone = {
+                limit = 2,
+            peers = {
+                wupper0 = {
+                    key = '7142f897f4e55d2c19207aa59db92ec54d7517cf558d5ecaef33689234952a4b',
+                    remotes = {'"wupper0.freifunk-troisdorf.de" port 53840'},
+                },
+                wupper1 = {
+                    key = '6eae041199ee627689bfa026afbd8a9ab299eca8aed4144321d098cffd62668e',
+                    remotes = {'"wupper1.freifunk-troisdorf.de" port 53840'},
+                },
+                wupper2 = {
+                    key = 'b7f319d59d8383ba813c3503416bca45f70852e4d207b1743bb6cdca1e30d9f5',
+                    remotes = {'"wupper2.freifunk-troisdorf.de" port 53840'},
+                },
+                wupper3 = {
+                    key = 'c8f3d1d10b0d6389e39c3c3cb08adfa3123e821fd5bfd6262d2161d80ee4b06c',
+                    remotes = {'"wupper3.freifunk-troisdorf.de" port 53840'},
+                },
+                wupper4 = {
+                    key = '5e7fa122990dbc34b8cae7ece2cd4ef919d3f8c23a674b7bbcf05bfebe6a6e8a',
+                    remotes = {'"wupper4.freifunk-troisdorf.de" port 53840'},
+                },
+                gateway2 = {
+                    key = '9154293d90bb907a647338585da4ddf283e534a948a0bb73ca604391fdd4aa0b',
+                    remotes = {'"gateway2.freifunk-troisdorf.de" port 53840'},
                 },
             },
+        },
+    },
     },
 autoupdater = {
         enabled = true,