diff --git a/bgpwtf/machines/modules/bootstrap.nix b/bgpwtf/machines/modules/bootstrap.nix
index 09f2555..120bf8c 100644
--- a/bgpwtf/machines/modules/bootstrap.nix
+++ b/bgpwtf/machines/modules/bootstrap.nix
@@ -1,12 +1,35 @@
-# Functionality that used to live in bootstrap.hswaw.net, a VM.
-# PXE boot support has been removed and the functionality moved back to
-# edge01.waw.bgp.wtf.
+# Functionality that used to live in bootstrap.hswaw.net, a VMm now moved back
+# into edge01.waw.bgp.wtf
 
 { config, pkgs, ... }: {
   networking.bridges.bootstrap.interfaces = [];
   networking.interfaces.bootstrap.ipv4.addresses = [
     { address = "185.236.240.18"; prefixLength = 32; }
   ];
+  services.atftpd = {
+    enable = true;
+    root = (let 
+      # netboot.xyz.kpxe retrieved from netboot.xyz at 2021/03/15.
+      netbootxyz-kpxe = pkgs.fetchurl {
+        url = https://object.ceph-waw3.hswaw.net/q3k-personal/b0b99ab84eb973c8a3818ec9fd11e17b75494ad8b5e6976aebbe8b162052da47.kpxe;
+        sha256 = "0iysa8h1d2xyxdm9grmmv154jxbvw48zvjcfh6iwhwxr9sw9mfdh";
+      };
+      # netboot.xyz-undionly.kpxe retrieved from netboot.xyz at 2021/03/15.
+      netbootxyz-undionly-kpxe = pkgs.fetchurl {
+        url = https://object.ceph-waw3.hswaw.net/q3k-personal/42ca97fe5219899e208cf466cb04d2cd4fe7f7b30e0db30ef63cafabcc95b989.kpxe;
+        sha256 = "12drjp6apbrwyq7b638fngvyfkyds82cnrplihh9x28rabz9gjj2";
+      };
+    in pkgs.stdenv.mkDerivation {
+      name = "atftp-root";
+      unpackPhase = "true";
+      buildPhase = "true";
+      installPhase = ''
+        mkdir -p $out
+        cp ${netbootxyz-kpxe} $out/netboot.xyz.kpxe
+        cp ${netbootxyz-undionly-kpxe} $out/netboot.xyz-undionly.kpxe
+      '';
+    });
+  };
   services.dhcpd4 = {
     enable = true;
     interfaces = [ "bootstrap" "vl-dcsw-l3" ];
@@ -43,29 +66,28 @@
           hardware ethernet 00:23:ae:fe:42:80;
           fixed-address 185.236.240.37;
           option host-name "bc01n03";
+          filename "netboot.xyz-undionly.kpxe";
+      }
+      host bc01n04 {
+          hardware ethernet 00:23:ae:fe:7e:a8;
+          fixed-address 185.236.240.41;
+          option host-name "bc01n04";
+          filename "netboot.xyz-undionly.kpxe";
       }
       host boston-packets {
           hardware ethernet 00:23:ae:fe:45:8c;
           fixed-address 185.236.240.38;
           option host-name "boston-packets.hackerspace.pl";
-          #filename "ipxe.efi";
       }
       host dcr01s22 {
           hardware ethernet 90:1b:0e:08:12:b8;
           fixed-address 185.236.240.39;
           option host-name "dcr01s22";
-          #filename "ipxe.efi";
       }
       host dcr01s24 {
           hardware ethernet 90:1b:0e:31:bb:6a;
           fixed-address 185.236.240.40;
           option host-name "dcr01s24";
-          #filename "ipxe.efi";
-      }
-      host dsctf {
-          hardware ethernet 00:23:ae:fe:45:50;
-          fixed-address 185.236.240.41;
-          option host-name "dsctf";
       }
       host dcr03s32b1 {
           hardware ethernet 02:01:87:4a:9a:b9;