diff --git a/ex4100-f-48P.nix b/ex4100-f-48P.nix
new file mode 100644
index 0000000..65484ea
--- /dev/null
+++ b/ex4100-f-48P.nix
@@ -0,0 +1,96 @@
+{ lib, ... }:
+let
+  poe = [
+    "ge-0/0/0"
+    "ge-0/0/1"
+    "ge-0/0/2"
+    "ge-0/0/3"
+    "ge-0/0/4"
+    "ge-0/0/5"
+    "ge-0/0/6"
+    "ge-0/0/7"
+    "ge-0/0/8"
+    "ge-0/0/9"
+    "ge-0/0/10"
+    "ge-0/0/11"
+    "ge-0/0/12"
+    "ge-0/0/13"
+    "ge-0/0/14"
+    "ge-0/0/15"
+    "ge-0/0/16"
+    "ge-0/0/17"
+    "ge-0/0/18"
+    "ge-0/0/19"
+    "ge-0/0/20"
+    "ge-0/0/21"
+    "ge-0/0/22"
+    "ge-0/0/23"
+    "ge-0/0/24"
+    "ge-0/0/25"
+    "ge-0/0/26"
+    "ge-0/0/27"
+    "ge-0/0/28"
+    "ge-0/0/29"
+    "ge-0/0/30"
+    "ge-0/0/31"
+    "ge-0/0/32"
+    "ge-0/0/33"
+    "ge-0/0/34"
+    "ge-0/0/35"
+    "ge-0/0/36"
+    "ge-0/0/37"
+    "ge-0/0/38"
+    "ge-0/0/39"
+    "ge-0/0/40"
+    "ge-0/0/41"
+    "ge-0/0/42"
+    "ge-0/0/43"
+    "ge-0/0/44"
+    "ge-0/0/45"
+    "ge-0/0/46"
+    "ge-0/0/47"
+  ];
+  non_poe = [
+  # sfp ports
+    "ge-0/1/0"
+    "ge-0/1/1"
+    "ge-0/1/2"
+    "ge-0/1/3"
+
+    "xe-0/1/0"
+    "xe-0/1/1"
+    "xe-0/1/2"
+    "xe-0/1/3"
+
+    "et-0/1/0"
+    "et-0/1/1"
+    "et-0/1/2"
+    "et-0/1/3"
+
+  # uplink block
+    "ge-0/2/0"
+    "ge-0/2/1"
+    "ge-0/2/2"
+    "ge-0/2/3"
+
+    "xe-0/2/0"
+    "xe-0/2/1"
+    "xe-0/2/2"
+    "xe-0/2/3"
+  ];
+in
+{
+  netconf.mandatoryInterfaces =
+    lib.listToAttrs (
+      map (name: {
+        inherit name;
+        value.supportPoE = true;
+      }) poe
+    )
+    // lib.listToAttrs (
+      map (name: {
+        inherit name;
+        value.supportPoE = false;
+      }) non_poe
+    );
+}
diff --git a/ex4400-24X.nix b/ex4400-24X.nix
new file mode 100644
index 0000000..6170f94
--- /dev/null
+++ b/ex4400-24X.nix
@@ -0,0 +1,43 @@
+{ lib, ... }:
+let
+  gexe = [
+    "0/0"
+    "0/1"
+    "0/2"
+    "0/3"
+    "0/4"
+    "0/5"
+    "0/6"
+    "0/7"
+    "0/8"
+    "0/9"
+    "0/10"
+    "0/11"
+    "0/12"
+    "0/13"
+    "0/14"
+    "0/15"
+    "0/16"
+    "0/17"
+    "0/18"
+    "0/19"
+    "0/20"
+    "0/21"
+    "0/22"
+    "0/23"
+  ];
+  ge = gexe;
+  xe = gexe;
+  et = [
+    "1/0"
+    "1/1"
+  ];
+in
+{
+  netconf.mandatoryInterfaces = lib.listToAttrs (
+    map (name: {
+      inherit name;
+      value.supportPoE = false;
+    }) (map (i: "ge-0/" + i) ge ++ map (i: "xe-0/" + i) xe ++ map (i: "et-0/" + i) et)
+  );
+}
diff --git a/ex4400-em-4Y.nix b/ex4400-em-4Y.nix
new file mode 100644
index 0000000..24cfc75
--- /dev/null
+++ b/ex4400-em-4Y.nix
@@ -0,0 +1,17 @@
+{ lib, ... }:
+let
+  full = [
+    "2/0"
+    "2/1"
+    "2/2"
+    "2/3"
+  ];
+in
+{
+  netconf.mandatoryInterfaces = lib.listToAttrs (
+    map (name: {
+      inherit name;
+      value.supportPoE = false;
+    }) (map (i: "ge-0/" + i) full ++ map (i: "xe-0/" + i) full ++ map (i: "et-0/" + i) full)
+  );
+}
diff --git a/netconf-hive.nix b/netconf-hive.nix
index 44f07b4..c156bd2 100644
--- a/netconf-hive.nix
+++ b/netconf-hive.nix
@@ -161,4 +161,82 @@ in
       "irb".inet6.addresses = [ "fd26:baf9:d250:8000::2001/64" ];
     };
   };
+
+  netaccess00 = {
+    deployment.targetHost = "netaccess00.dgn";
+
+    imports = [
+      ./ex4100-f-48P.nix
+      default
+    ];
+
+    dgn-interfaces =
+      let
+        admin-intf.ethernet-switching = {
+          interface-mode = "trunk";
+          vlans = [ "all" ];
+        };
+      in
+      {
+        "xe-0/1/0" = admin-intf;
+        "ge-0/1/0" = admin-intf;
+        "et-0/1/0" = admin-intf;
+        "xe-0/1/1" = admin-intf;
+        "ge-0/1/1" = admin-intf;
+        "et-0/1/1" = admin-intf;
+        "xe-0/1/2" = admin-intf;
+        "ge-0/1/2" = admin-intf;
+        "et-0/1/2" = admin-intf;
+        "xe-0/1/3" = admin-intf;
+        "ge-0/1/3" = admin-intf;
+        "et-0/1/3" = admin-intf;
+
+        "xe-0/2/0" = admin-intf;
+        "ge-0/2/0" = admin-intf;
+        "xe-0/2/1" = admin-intf;
+        "ge-0/2/1" = admin-intf;
+        "xe-0/2/2" = admin-intf;
+        "ge-0/2/2" = admin-intf;
+        "xe-0/2/3" = admin-intf;
+        "ge-0/2/3" = admin-intf;
+
+        "ge-0/0/47".ethernet-switching = {
+          interface-mode = "trunk";
+          vlans = [ "all" ];
+        };
+
+        # management
+        "me0".inet.addresses = [ "192.168.2.2/24" ];
+        "irb".inet6.addresses = [ "fd26:baf9:d250:8000::200f/64" ];
+      };
+  };
+
+  netcore00 = {
+    deployment.targetHost = "netcore00.dgn";
+
+    imports = [
+      ./ex4400-24X.nix
+      ./ex4400-em-4Y.nix
+      default
+    ];
+
+    dgn-interfaces =
+      let
+        admin-intf.ethernet-switching = {
+          interface-mode = "trunk";
+          vlans = [ "all" ];
+        };
+      in
+      {
+        "xe-0/2/0" = admin-intf;
+        "ge-0/2/0" = admin-intf;
+        "et-0/2/0" = admin-intf;
+
+        "ge-0/0/22" = admin-intf;
+        "xe-0/0/22" = admin-intf;
+
+        "me0".inet.addresses = [ "192.168.2.3/24" ];
+        "irb".inet6.addresses = [ "fd26:baf9:d250:8000::100f/64" ];
+      };
+  };
 }