diff --git a/extra/ffmuc.conf b/extra/ffmuc.conf
index b41d3a6..510f410 100644
--- a/extra/ffmuc.conf
+++ b/extra/ffmuc.conf
@@ -63,7 +63,7 @@
 
   fastd_mesh_vpn = {
     methods = {'salsa2012+umac'},
-    mtu = 1426,
+    mtu = 1280,
     groups = {
       backbone = {
       limit = 1,
@@ -71,57 +71,57 @@
           gw03 = {
             key = '4b856fca91077d08ea79f13e139c33b1d1a62e1566e0d447bbfd9cf640c74c41',
             remotes = {
-              'ipv4 "gw03.ffmuc.net" port 10000',
-              'ipv4 "gw03.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw03.ffmuc.net" port 10001',
+              'ipv4 "gw03.freifunk-muenchen.de" port 10001',
             },
           },
           gw04 = {
             key = 'adee58f70829e6a03e568ca8273070b38c1b4cfe0beb69c53eea429646908126',
             remotes = {
-              'ipv4 "gw04.ffmuc.net" port 10000',
-              'ipv4 "gw04.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw04.ffmuc.net" port 10001',
+              'ipv4 "gw04.freifunk-muenchen.de" port 10001',
             },
           },
           gw05 = {
             key = '2242fe7fff1def15233a364487545e57c3c69e1b624d97bd5d72359b9851cb6e',
             remotes = {
-              'ipv4 "gw05.ffmuc.net" port 10000',
-              'ipv4 "gw05.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw05.ffmuc.net" port 10001',
+              'ipv4 "gw05.freifunk-muenchen.de" port 10001',
             },
           },
           gw06 = {
             key = 'd6834aa47a14358d804139630812276b3297e767d159c9cfd13fa6fb638000e0',
             remotes = {
-              'ipv4 "gw06.ffmuc.net" port 10000',
-              'ipv4 "gw06.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw06.ffmuc.net" port 10001',
+              'ipv4 "gw06.freifunk-muenchen.de" port 10001',
             },
           },
           gw07 = {
             key = '77b5f5189c360b245e1c934941468cc9cf57f0646465be5765593a95e54449d6',
             remotes = {
-              'ipv4 "gw07.ffmuc.net" port 10000',
-              'ipv4 "gw07.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw07.ffmuc.net" port 10001',
+              'ipv4 "gw07.freifunk-muenchen.de" port 10001',
             },
           },
           gw08 = {
             key = 'e476fb3a72365b550a23b587c0962eed362ed0c237175552b3261d22daaa2055',
             remotes = {
-              'ipv4 "gw08.ffmuc.net" port 10000',
-              'ipv4 "gw08.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw08.ffmuc.net" port 10001',
+              'ipv4 "gw08.freifunk-muenchen.de" port 10001',
             },
           },
           gw09 = {
             key = 'b86f436c9bb13b308dc92c3889fd468c46679d9df0bf4892244372ab415694d0',
             remotes = {
-              'ipv4 "gw09.ffmuc.net" port 10000',
-              'ipv4 "gw09.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw09.ffmuc.net" port 10001',
+              'ipv4 "gw09.freifunk-muenchen.de" port 10001',
             },
           },
           gw10 = {
             key = 'c04358d4818ec108fa4715e4517300cb2d0fa848dfa872770c4b8487d525e8bf',
             remotes = {
-              'ipv4 "gw10.ffmuc.net" port 10000',
-              'ipv4 "gw10.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw10.ffmuc.net" port 10001',
+              'ipv4 "gw10.freifunk-muenchen.de" port 10001',
             },
           },
         },
diff --git a/extra/ffmuc_umland.conf b/extra/ffmuc_umland.conf
index 4ab4572..10c6c30 100644
--- a/extra/ffmuc_umland.conf
+++ b/extra/ffmuc_umland.conf
@@ -63,7 +63,7 @@
 
   fastd_mesh_vpn = {
     methods = {'salsa2012+umac'},
-    mtu = 1426,
+    mtu = 1280,
     groups = {
       backbone = {
       limit = 1,
@@ -71,8 +71,8 @@
           gwu01 = {
             key = '70299e3a589522a89306732fdfe43f35d9af083e4db322d87be52cf45c89771b',
             remotes = {
-              'ipv4 "gwu01.ffmuc.net" port 10010',
-              'ipv4 "gwu01.freifunk-muenchen.de" port 10010',
+              'ipv4 "gwu01.ffmuc.net" port 10011',
+              'ipv4 "gwu01.freifunk-muenchen.de" port 10011',
             },
           },
           gwu02 = {
@@ -85,22 +85,22 @@
           gwu03 = {
             key = '61fe3197ed7e934284adc2571523104d8e5391db2427dca9528f0d34bb60a522',
             remotes = {
-              'ipv4 "gwu03.ffmuc.net" port 10012',
-              'ipv4 "gwu03.freifunk-muenchen.de" port 10012',
+              'ipv4 "gwu03.ffmuc.net" port 10011',
+              'ipv4 "gwu03.freifunk-muenchen.de" port 10011',
             },
           },
           gwu04 = {
             key = '443898162e1e9ec09da0904d72d8145026f4452a4b1e880a07dc6699418c69d1',
             remotes = {
-              'ipv4 "gwu04.ffmuc.net" port 10013',
-              'ipv4 "gwu04.freifunk-muenchen.de" port 10013',
+              'ipv4 "gwu04.ffmuc.net" port 10011',
+              'ipv4 "gwu04.freifunk-muenchen.de" port 10011',
             },
           },
           gwu05 = {
             key = 'b6de9fec8569b1fcdea8e7c45224ec30513d24e01af71148c6d640b5df471950',
             remotes = {
-              'ipv4 "gwu05.ffmuc.net" port 10014',
-              'ipv4 "gwu05.freifunk-muenchen.de" port 10014',
+              'ipv4 "gwu05.ffmuc.net" port 10011',
+              'ipv4 "gwu05.freifunk-muenchen.de" port 10011',
             },
           },
         },
diff --git a/extra/ffmuc_welcome.conf b/extra/ffmuc_welcome.conf
index 259be64..2b48702 100644
--- a/extra/ffmuc_welcome.conf
+++ b/extra/ffmuc_welcome.conf
@@ -63,7 +63,7 @@
 
   fastd_mesh_vpn = {
     methods = {'salsa2012+umac'},
-    mtu = 1426,
+    mtu = 1280,
     groups = {
       backbone = {
       limit = 1,
@@ -71,29 +71,29 @@
           gwf01 = {
             key = '89951ed50d591c0a4682ae50cb38806efe44dd736ba91ef64c9ef06b20ec186e',
             remotes = {
-              'ipv4 "gwf01.ffmuc.net" port 11000',
-              'ipv4 "gwf01.freifunk-muenchen.de" port 11000',
+              'ipv4 "gwf01.ffmuc.net" port 11001',
+              'ipv4 "gwf01.freifunk-muenchen.de" port 11001',
             },
           },
           gwf02 = {
             key = 'e255f2671c56f28a65173719be61939e5d48518eaa4da0d19283fd5395908e35',
             remotes = {
-              'ipv4 "gwf02.ffmuc.net" port 11000',
+              'ipv4 "gwf02.ffmuc.net" port 11001',
               'ipv4 "gwf02.freifunk-muenchen.de" port 11001',
             },
           },
           gwf03 = {
             key = 'bf16080ab05a4416285638208e6f17055ea8f92cfd496c61eee1f1160cf6d386',
             remotes = {
-              'ipv4 "gwf03.ffmuc.net" port 11000',
-              'ipv4 "gwf03.freifunk-muenchen.de" port 11002',
+              'ipv4 "gwf03.ffmuc.net" port 11001',
+              'ipv4 "gwf03.freifunk-muenchen.de" port 11001',
             },
           },
           gwf04 = {
             key = '421a2c8e78f86d08fa7c8c7660b0dc073640ff365acb308ab92155c33488c539',
             remotes = {
-              'ipv4 "gwf04.ffmuc.net" port 11000',
-              'ipv4 "gwf04.freifunk-muenchen.de" port 11003',
+              'ipv4 "gwf04.ffmuc.net" port 11001',
+              'ipv4 "gwf04.freifunk-muenchen.de" port 11001',
             },
           },
         },
diff --git a/site.conf b/site.conf
index b41d3a6..510f410 100644
--- a/site.conf
+++ b/site.conf
@@ -63,7 +63,7 @@
 
   fastd_mesh_vpn = {
     methods = {'salsa2012+umac'},
-    mtu = 1426,
+    mtu = 1280,
     groups = {
       backbone = {
       limit = 1,
@@ -71,57 +71,57 @@
           gw03 = {
             key = '4b856fca91077d08ea79f13e139c33b1d1a62e1566e0d447bbfd9cf640c74c41',
             remotes = {
-              'ipv4 "gw03.ffmuc.net" port 10000',
-              'ipv4 "gw03.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw03.ffmuc.net" port 10001',
+              'ipv4 "gw03.freifunk-muenchen.de" port 10001',
             },
           },
           gw04 = {
             key = 'adee58f70829e6a03e568ca8273070b38c1b4cfe0beb69c53eea429646908126',
             remotes = {
-              'ipv4 "gw04.ffmuc.net" port 10000',
-              'ipv4 "gw04.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw04.ffmuc.net" port 10001',
+              'ipv4 "gw04.freifunk-muenchen.de" port 10001',
             },
           },
           gw05 = {
             key = '2242fe7fff1def15233a364487545e57c3c69e1b624d97bd5d72359b9851cb6e',
             remotes = {
-              'ipv4 "gw05.ffmuc.net" port 10000',
-              'ipv4 "gw05.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw05.ffmuc.net" port 10001',
+              'ipv4 "gw05.freifunk-muenchen.de" port 10001',
             },
           },
           gw06 = {
             key = 'd6834aa47a14358d804139630812276b3297e767d159c9cfd13fa6fb638000e0',
             remotes = {
-              'ipv4 "gw06.ffmuc.net" port 10000',
-              'ipv4 "gw06.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw06.ffmuc.net" port 10001',
+              'ipv4 "gw06.freifunk-muenchen.de" port 10001',
             },
           },
           gw07 = {
             key = '77b5f5189c360b245e1c934941468cc9cf57f0646465be5765593a95e54449d6',
             remotes = {
-              'ipv4 "gw07.ffmuc.net" port 10000',
-              'ipv4 "gw07.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw07.ffmuc.net" port 10001',
+              'ipv4 "gw07.freifunk-muenchen.de" port 10001',
             },
           },
           gw08 = {
             key = 'e476fb3a72365b550a23b587c0962eed362ed0c237175552b3261d22daaa2055',
             remotes = {
-              'ipv4 "gw08.ffmuc.net" port 10000',
-              'ipv4 "gw08.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw08.ffmuc.net" port 10001',
+              'ipv4 "gw08.freifunk-muenchen.de" port 10001',
             },
           },
           gw09 = {
             key = 'b86f436c9bb13b308dc92c3889fd468c46679d9df0bf4892244372ab415694d0',
             remotes = {
-              'ipv4 "gw09.ffmuc.net" port 10000',
-              'ipv4 "gw09.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw09.ffmuc.net" port 10001',
+              'ipv4 "gw09.freifunk-muenchen.de" port 10001',
             },
           },
           gw10 = {
             key = 'c04358d4818ec108fa4715e4517300cb2d0fa848dfa872770c4b8487d525e8bf',
             remotes = {
-              'ipv4 "gw10.ffmuc.net" port 10000',
-              'ipv4 "gw10.freifunk-muenchen.de" port 10000',
+              'ipv4 "gw10.ffmuc.net" port 10001',
+              'ipv4 "gw10.freifunk-muenchen.de" port 10001',
             },
           },
         },