diff --git a/ops/nixos/ixvm-fra01/bird.nix b/ops/nixos/ixvm-fra01/bird.nix
index c878bcd351..1afd29cabe 100644
--- a/ops/nixos/ixvm-fra01/bird.nix
+++ b/ops/nixos/ixvm-fra01/bird.nix
@@ -81,8 +81,10 @@ let
     ipv4 table ${ixName}4;
     ipv6 table ${ixName}6;
   '' + lib.concatImapStringsSep "\n" ( i: v: generateSnippetForRouter (args // { routerNum = i; router = v; }) ) ix.remote.routers;
+  enabledSnippet = { enabled ? true, ... }: "disabled ${if enabled then "off" else "on"};";
   generateSnippetForRouter = { ixName, ix, routerNum, router, ... }: ''
     protocol bgp ${ixName}${toString routerNum}_4 {
+      ${enabledSnippet router};
       local ${ix.local.v4} as ${toString ix.local.asn};
       neighbor ${router.v4} as ${toString ix.remote.asn};
       ipv4 {
@@ -92,6 +94,7 @@ let
       };
     };
     protocol bgp ${ixName}${toString routerNum}_6 {
+      ${enabledSnippet router};
       local ${ix.local.v6} as ${toString ix.local.asn};
       neighbor ${router.v6} as ${toString ix.remote.asn};
       ipv6 {