diff --git a/hosts/dn42-il-gw5/configuration.nix b/hosts/dn42-il-gw5/configuration.nix
index 00e6d5b..86d3467 100644
--- a/hosts/dn42-il-gw5/configuration.nix
+++ b/hosts/dn42-il-gw5/configuration.nix
@@ -23,9 +23,9 @@
   networking.useDHCP = false;
   # VM Nat Netz mercury
   networking.interfaces.ens18.ipv4.addresses = [ { address = "192.168.10.25"; prefixLength = 24; } ];
-  # ?
-  networking.interfaces.ens19.useDHCP = true;
-  # Transport
+  # OSPF Netz
+  networking.interfaces.ens19.ipv6.addresses = [];
+  # Lokales Netz
   networking.interfaces.ens20.ipv6.addresses = [ { address = "fd56:4902:eca0:5::1"; prefixLength = 64; } ];
   # IPv6 Uplink
   networking.interfaces.ens21.ipv6.addresses = [ { address = "2001:638:904:ffc9::a"; prefixLength = 64; } ];