diff --git a/ansible/host_vars/bleys b/ansible/host_vars/bleys
index 9cda6fe..9797dc0 100644
--- a/ansible/host_vars/bleys
+++ b/ansible/host_vars/bleys
@@ -1,6 +1,10 @@
 ---
 ansible_host: "192.168.1.42"
 ansible_python_interpreter: "/usr/bin/python3"
+default_interface: "enp2s0"
+consul_iface: "{{ default_interface}}"
+vault_iface:  "{{ default_interface}}"
+
 wireguard_address: "10.0.0.7/24"
 wireguard_byhost_allowed_ips:
   merlin: 10.0.0.7,192.168.1.42,192.168.1.0/24
@@ -11,13 +15,13 @@ wireguard_endpoint: ""
 wireguard_postup:
   - iptables -A FORWARD -i wg0 -j ACCEPT
   - iptables -A FORWARD -o wg0 -j ACCEPT
-  - iptables -t nat -A POSTROUTING -o enp2s0 -j MASQUERADE
+  - iptables -t nat -A POSTROUTING -o {{default_interface}} -j MASQUERADE
   - sysctl -w net.ipv4.ip_forward=1
 
 wireguard_postdown:
   - iptables -D FORWARD -i wg0 -j ACCEPT
   - iptables -D FORWARD -o wg0 -j ACCEPT
-  - iptables -t nat -D POSTROUTING -o enp2s0 -j MASQUERADE
+  - iptables -t nat -D POSTROUTING -o {default_interface} -j MASQUERADE
   - sysctl -w net.ipv4.ip_forward=0
 
 partition_table:
diff --git a/ansible/host_vars/gerard b/ansible/host_vars/gerard
index 38adf4a..7110429 100644
--- a/ansible/host_vars/gerard
+++ b/ansible/host_vars/gerard
@@ -1,6 +1,10 @@
 ---
 ansible_host: "192.168.1.41"
 ansible_python_interpreter: "/usr/bin/python3"
+default_interface: "enu1u1"
+consul_iface: "{{ default_interface }}"
+vault_iface:  "{{ default_interface }}"
+
 wireguard_address: "10.0.0.6/24"
 wireguard_byhost_allowed_ips:
   merlin: 10.0.0.6,192.168.1.41
@@ -11,10 +15,10 @@ wireguard_endpoint: ""
 wireguard_postup:
   - iptables -A FORWARD -i wg0 -j ACCEPT
   - iptables -A FORWARD -o wg0 -j ACCEPT
-  - iptables -t nat -A POSTROUTING -o enu1u1 -j MASQUERADE
+  - iptables -t nat -A POSTROUTING -o {{ default_interface }} -j MASQUERADE
 
 wireguard_postdown:
   - iptables -D FORWARD -i wg0 -j ACCEPT
   - iptables -D FORWARD -o wg0 -j ACCEPT
-  - iptables -t nat -D POSTROUTING -o enu1u1 -j MASQUERADE
+  - iptables -t nat -D POSTROUTING -o {{ default_interface }} -j MASQUERADE
 
diff --git a/ansible/host_vars/oscar b/ansible/host_vars/oscar
index 93c30e8..ad96283 100644
--- a/ansible/host_vars/oscar
+++ b/ansible/host_vars/oscar
@@ -1,4 +1,8 @@
 ---
+default_interface: "enp2s0"
+consul_iface: "{{ default_interface}}"
+vault_iface: "{{ default_interface}}"
+
 wireguard_address: "10.0.0.2/24"
 wireguard_byhost_allowed_ips:
   merlin: 10.0.0.2,192.168.1.40
@@ -9,12 +13,12 @@ wireguard_endpoint: ""
 wireguard_postup:
   - iptables -A FORWARD -i wg0 -j ACCEPT
   - iptables -A FORWARD -o wg0 -j ACCEPT
-  - iptables -t nat -A POSTROUTING -o enp2s0 -j MASQUERADE
+  - iptables -t nat -A POSTROUTING -o {{ default_interface }} -j MASQUERADE
 
 wireguard_postdown:
   - iptables -D FORWARD -i wg0 -j ACCEPT
   - iptables -D FORWARD -o wg0 -j ACCEPT
-  - iptables -t nat -D POSTROUTING -o enp2s0 -j MASQUERADE
+  - iptables -t nat -D POSTROUTING -o {{ default_interface }} -j MASQUERADE
 
 partition_table:
   - device: "/dev/sda"