diff --git a/fake_client.go b/fake_client.go
index 9980c94..6e714a4 100644
--- a/fake_client.go
+++ b/fake_client.go
@@ -925,7 +925,7 @@ func (c *FakeClient) CreateNetwork(config NetworkConfig) (*NetworkResult, error)
 	// Handle VLAN configuration if present
 	if config.VLanConfig != nil {
 		newNetwork.VlanID = config.VLanConfig.VlanID
-		newNetwork.HardwareAddr = config.VLanConfig.HardwareAddr
+		newNetwork.PhysicalInterface = config.VLanConfig.PhysicalInterface
 		newNetwork.GatewayIPv4 = config.VLanConfig.GatewayIPv4
 		newNetwork.AllocationPoolV4Start = config.VLanConfig.AllocationPoolV4Start
 		newNetwork.AllocationPoolV4Start = config.VLanConfig.AllocationPoolV4End
diff --git a/network.go b/network.go
index ea06946..28f51fe 100644
--- a/network.go
+++ b/network.go
@@ -22,7 +22,7 @@ type Network struct {
 	NameserversV4         []string `json:"nameservers_v4,omitempty"`
 	NameserversV6         []string `json:"nameservers_v6,omitempty"`
 	VlanID                int      `json:"vlan_id" validate:"required" schema:"vlan_id"`
-	HardwareAddr          string   `json:"hardware_addr,omitempty" schema:"hardware_addr"`
+	PhysicalInterface     string   `json:"physical_interface,omitempty" schema:"physical_interface"`
 	GatewayIPv4           string   `json:"gateway_ipv4" validate:"required" schema:"gateway_ipv4"`
 	AllocationPoolV4Start string   `json:"allocation_pool_v4_start" validate:"required" schema:"allocation_pool_v4_start"`
 	AllocationPoolV4End   string   `json:"allocation_pool_v4_end" validate:"required" schema:"allocation_pool_v4_end"`
@@ -62,8 +62,8 @@ type VLANConnectConfig struct {
 	// VLanID is the ID of the VLAN to connect to
 	VlanID int `json:"vlan_id" validate:"required" schema:"vlan_id"`
 
-	// HardwareAddr is the base interface(default: eth0) at which we want to setup VLAN.
-	HardwareAddr string `json:"hardware_addr,omitempty" schema:"hardware_addr"`
+	// PhysicalInterface is the base interface(default: eth0) at which we want to setup VLAN.
+	PhysicalInterface string `json:"physical_interface,omitempty" schema:"physical_interface"`
 
 	// CIDRv4 is the CIDR of the VLAN to connect to
 	CIDRv4 string `json:"cidr_v4" validate:"required" schema:"cidr_v4"`
diff --git a/network_test.go b/network_test.go
index b45d750..b05aa78 100644
--- a/network_test.go
+++ b/network_test.go
@@ -120,7 +120,7 @@ func TestCreateNetworkWithVLAN(t *testing.T) {
 
 	vlanConnectConfig := VLANConnectConfig{
 		VlanID:                1,
-		HardwareAddr:          "ETH0",
+		PhysicalInterface:     "ETH0",
 		CIDRv4:                "10.0.0.0/24",
 		GatewayIPv4:           "10.0.0.4",
 		AllocationPoolV4Start: "10.0.0.0",