diff --git a/ansible/inventory/host_vars/hv00_balsillie_home/hv00_balsillie_house.yaml b/ansible/inventory/host_vars/hv00_balsillie_home/hv00_balsillie_house.yaml
index 16cfd74..64d5149 100644
--- a/ansible/inventory/host_vars/hv00_balsillie_home/hv00_balsillie_house.yaml
+++ b/ansible/inventory/host_vars/hv00_balsillie_home/hv00_balsillie_house.yaml
@@ -1,19 +1,19 @@
 systemd_networkd_configs:
   - name: 00-eth0.link
     src: ethernet.link.j2
-    mac_address: 00-00-00-00-00-00
+    mac_address: 64-62-66-21-e9-c3
   - name: 00-eth1.link
     src: ethernet.link.j2
-    mac_address: 00-00-00-00-00-00
+    mac_address: 64-62-66-21-e9-c4
   - name: 00-eth2.link
     src: ethernet.link.j2
-    mac_address: 00-00-00-00-00-00
+    mac_address: 64-62-66-21-e9-c5
   - name: 00-eth3.link
     src: ethernet.link.j2
-    mac_address: 00-00-00-00-00-00
+    mac_address: 64-62-66-21-e9-c6
   - name: 01-eth0.network
     src: ethernet.network.j2
-    mac_address: 00-00-00-00-00-00
+    mac_address: 64-62-66-21-e9-c3
     arp: false
     lldp: true
     dhcp: false
@@ -25,7 +25,7 @@ systemd_networkd_configs:
       pvid: 210
   - name: 01-eth1.network
     src: ethernet.network.j2
-    mac_address: 00-00-00-00-00-00
+    mac_address: 64-62-66-21-e9-c4
     arp: false
     lldp: true
     dhcp: false
@@ -36,7 +36,7 @@ systemd_networkd_configs:
       pvid: 210
   - name: 01-eth2.network
     src: ethernet.network.j2
-    mac_address: 00-00-00-00-00-00
+    mac_address: 64-62-66-21-e9-c5
     arp: false
     lldp: true
     dhcp: false
@@ -49,7 +49,7 @@ systemd_networkd_configs:
         - 230
   - name: 01-eth3.network
     src: ethernet.network.j2
-    mac_address: 00-00-00-00-00-00
+    mac_address: 64-62-66-21-e9-c6
     arp: false
     lldp: false
     dhcp: false