diff --git a/config/switch.nix b/config/switch.nix
index 93d44cf..352598f 100644
--- a/config/switch.nix
+++ b/config/switch.nix
@@ -60,7 +60,12 @@
         serv.ports = [
           "ge-0/0/22"
         ];
-        c3d2.ports = [ "ge-0/0/5" "ge-0/0/8" ];
+        c3d2.ports = [
+          "ge-0/0/5"
+          "ge-0/0/8"
+          # riscbert
+          "ge-0/0/13"
+        ];
         server1 = {
           group = "3";
           ports = [