diff --git a/tests/infrastructure/default.nix b/tests/infrastructure/default.nix
index e325e25..1d27ac4 100644
--- a/tests/infrastructure/default.nix
+++ b/tests/infrastructure/default.nix
@@ -21,13 +21,10 @@
         };
       };
 
-      custom = {
-        networking.overlay.networkCidr = lib.mkForce "10.10.10.0/24";
-        services.nebula = {
-          caCertificatePath = ./keys/ca.crt;
-          certificatePath = ./keys/${config.networking.hostName}.crt;
-          privateKeyPath = ./keys/${config.networking.hostName}.key;
-        };
+      custom.services.nebula = {
+        caCertificatePath = ./keys/ca.crt;
+        certificatePath = ./keys/${config.networking.hostName}.crt;
+        privateKeyPath = ./keys/${config.networking.hostName}.key;
       };
 
       services.resolved.dnssec = lib.mkForce "false";
@@ -40,7 +37,7 @@
       custom = {
         networking = {
           overlay = {
-            address = "10.10.10.1";
+            address = "10.254.250.1";
             isLighthouse = true;
             role = "server";
           };
@@ -59,7 +56,7 @@
       custom = {
         networking = {
           overlay = {
-            address = "10.10.10.2";
+            address = "10.254.250.2";
             role = "server";
           };
           underlay = {
@@ -82,7 +79,7 @@
     client = {
       custom.networking = {
         overlay = {
-          address = "10.10.10.3";
+          address = "10.254.250.3";
           role = "client";
         };
         underlay = {
diff --git a/tests/infrastructure/keys/client.crt b/tests/infrastructure/keys/client.crt
index 008e6f1..d0fbf6e 100644
--- a/tests/infrastructure/keys/client.crt
+++ b/tests/infrastructure/keys/client.crt
@@ -1,6 +1,6 @@
 -----BEGIN NEBULA CERTIFICATE V2-----
-MIGwoEqABmNsaWVudKEHBAUKCgoDGKMIDAZjbGllbnSFBGmPLfCGBQElh0qDhyA8
-ckeBMU2fPOMFe8cEQoAZW3a1/xd+hPuJgkRptJYkIIIg+h9fWh7oVaJEMJmmfCcC
-zmFUQuPen59PiEE0+AKBbCyDQAIqxF7cIf5fL+z3zimUASA4hB5qFUCGEH+Er/Z6
-vFXe0jHV4HYRBMaXgrM8JYnsGZgTtdyt+mlJR+uBWpH+pwg=
+MIGwoEqABmNsaWVudKEHBAUK/voDGKMIDAZjbGllbnSFBGmTH3CGBQElh0qDhyA8
+ckeBMU2fPOMFe8cEQoAZW3a1/xd+hPuJgkRptJYkIIIgkqGANOljLGTOy02go6Sb
+5QuDE12UT7NScZq8xd/6N0SDQCerRL9iT4lQY18Jx6Ov0vYnCgDpi9md7HfaeW7J
+6liZCxssEzBf6NtISsFHVBhv/GKMzHTLSFuC3JKF80SByw4=
 -----END NEBULA CERTIFICATE V2-----
diff --git a/tests/infrastructure/keys/client.key b/tests/infrastructure/keys/client.key
index 978cb32..fd45d9a 100644
--- a/tests/infrastructure/keys/client.key
+++ b/tests/infrastructure/keys/client.key
@@ -1,3 +1,3 @@
 -----BEGIN NEBULA X25519 PRIVATE KEY-----
-qURs9kzi3rsW8GLnOtzEV11M9TWs+0XSQxpEFN9Ab1Y=
+C6+KrKj/MfoupP/yt5CKLjDqFmFcGlN9Hb3gCaz8uy8=
 -----END NEBULA X25519 PRIVATE KEY-----
diff --git a/tests/infrastructure/keys/lighthouse.crt b/tests/infrastructure/keys/lighthouse.crt
index cae3a07..50789a2 100644
--- a/tests/infrastructure/keys/lighthouse.crt
+++ b/tests/infrastructure/keys/lighthouse.crt
@@ -1,6 +1,6 @@
 -----BEGIN NEBULA CERTIFICATE V2-----
-MIG0oE6ACmxpZ2h0aG91c2WhBwQFCgoKARijCAwGc2VydmVyhQRpjy1MhgUBJYdK
-g4cgPHJHgTFNnzzjBXvHBEKAGVt2tf8XfoT7iYJEabSWJCCCIOfG1wz7tFj9GCvc
-nth3Wm4oGYfK/iR7hbSXts8uAOwhg0DRuHJ6mGgi2deJIDz7aI6KmhMiWkdEnoxA
-X8Eo5lZ4iIqyIiC8yAwYOMK1yHOVbfMplsUmhPgLw8Fu7wxSaiML
+MIG0oE6ACmxpZ2h0aG91c2WhBwQFCv76ARijCAwGc2VydmVyhQRpkx+UhgUBJYdK
+g4cgPHJHgTFNnzzjBXvHBEKAGVt2tf8XfoT7iYJEabSWJCCCICWnesCSyPXq2G/y
+J6Gf8Ul8H380b87GOD6nmhjq0q41g0BD5XmYzKqP3ISC0u9/xjgH3CjD0mHTRriD
+nOgSkJoWoBTqg6LfNzDR6a/c9stLZanqfGLm6e2/EQgoxEWI0twE
 -----END NEBULA CERTIFICATE V2-----
diff --git a/tests/infrastructure/keys/lighthouse.key b/tests/infrastructure/keys/lighthouse.key
index 49c7fe2..55ab863 100644
--- a/tests/infrastructure/keys/lighthouse.key
+++ b/tests/infrastructure/keys/lighthouse.key
@@ -1,3 +1,3 @@
 -----BEGIN NEBULA X25519 PRIVATE KEY-----
-fR7KPdR2nDOZtR/gEI+qwKQXI9JSAdi/j7PjYTAJShE=
+87z9BoiuyOIrKBUzLslX93dNJWq38gIbSJciSEUQsiM=
 -----END NEBULA X25519 PRIVATE KEY-----
diff --git a/tests/infrastructure/keys/server.crt b/tests/infrastructure/keys/server.crt
index aad9f69..681d659 100644
--- a/tests/infrastructure/keys/server.crt
+++ b/tests/infrastructure/keys/server.crt
@@ -1,6 +1,6 @@
 -----BEGIN NEBULA CERTIFICATE V2-----
-MIGwoEqABnNlcnZlcqEHBAUKCgoCGKMIDAZzZXJ2ZXKFBGmPLYyGBQElh0qDhyA8
-ckeBMU2fPOMFe8cEQoAZW3a1/xd+hPuJgkRptJYkIIIgWaZqtu8FVy/2REaZAVFo
-BIOUaKrBSyrZuiLcBcFneR+DQOlv7S1H9Elhzl/8IhCCpiyamhkm4SL0eYV1N+S9
-lAsj3ga9dga/N5QqNZtWUs8RGgPzttNF8GOy0Evf10lZKwY=
+MIGwoEqABnNlcnZlcqEHBAUK/voCGKMIDAZzZXJ2ZXKFBGmTH0GGBQElh0qDhyA8
+ckeBMU2fPOMFe8cEQoAZW3a1/xd+hPuJgkRptJYkIIIghcIHfvMJd45kvlvzqnyU
+INvf22cE/ClUtVRCnUn2Bm+DQB7IemcArOhjJUg9iY5hsfsCmrQe8I8uGAcm4GXu
+MHw5Rpz5Sfv4mfozWEGJ8qnQDuYKk3Rc0C6BUW+hLrJZ9QM=
 -----END NEBULA CERTIFICATE V2-----
diff --git a/tests/infrastructure/keys/server.key b/tests/infrastructure/keys/server.key
index 517eb56..60e6cb9 100644
--- a/tests/infrastructure/keys/server.key
+++ b/tests/infrastructure/keys/server.key
@@ -1,3 +1,3 @@
 -----BEGIN NEBULA X25519 PRIVATE KEY-----
-ug2E1t5D3hFNSwivf+sz0S9Xb4k44F0WM0lYyfw3X8I=
+LO3MF3zX4em6yerztMmYalkNs5fFgoDbecAoIkSYntU=
 -----END NEBULA X25519 PRIVATE KEY-----