diff --git a/ops/nixos/swann/default.nix b/ops/nixos/swann/default.nix
index 61ae580a28..ef5194cde5 100644
--- a/ops/nixos/swann/default.nix
+++ b/ops/nixos/swann/default.nix
@@ -81,13 +81,13 @@ in {
   };
   networking.localCommands = ''
     tc qdisc del dev ens-virginmedia root || true
-    tc qdisc add dev ens-virginmedia root cake bandwidth 30Mbit
+    tc qdisc add dev ens-virginmedia root cake bandwidth 30Mbit docsis nat dual-srchost
     
     ip link add name ifb-virginmedia type ifb || true
     tc qdisc del dev ens-virginmedia ingress || true
     tc qdisc add dev ens-virginmedia handle ffff: ingress
     tc qdisc del dev ifb-virginmedia root || true
-    tc qdisc add dev ifb-virginmedia root cake bandwidth 500Mbit besteffort
+    tc qdisc add dev ifb-virginmedia root cake bandwidth 500Mbit besteffort docsis nat wash dual-dsthost
     ip link set dev ifb-virginmedia up
     tc filter add dev ens-virginmedia parent ffff: matchall action mirred egress redirect dev ifb-virginmedia
   '';