diff --git a/ops/nixos/swann/default.nix b/ops/nixos/swann/default.nix
index fd9b9ebd78..b916bd1e97 100644
--- a/ops/nixos/swann/default.nix
+++ b/ops/nixos/swann/default.nix
@@ -73,7 +73,7 @@ in {
         en-ee = {
           useDHCP = true;
           ipv4.addresses = [
-            { address = "192.168.200.2"; prefixLength = 24; }
+            { address = "10.42.0.2"; prefixLength = 24; }
           ];
           # Additional options configured in networkd.
         };
@@ -269,13 +269,14 @@ in {
         };
       } {
         routingPolicyRuleConfig = {
-          # as does anything from 192.168.200.0/24.
-          From = "192.168.200.0/24";
+          # as does anything from 10.42.0.0/24.
+          From = "10.42.0.0/24";
           Table = routeTables.ee;
           Priority = 10031;
         };
       }]) // {
         linkConfig.RequiredForOnline = "no";
+        networkConfig.Gateway = "10.42.0.1";
       };
       networks."40-en-gnet" = (physicalNetwork routeTables.gnet "0xcafe" [{
         # Catch-all mop-up rule at the end.