diff --git a/internal/definitions/interface.go b/internal/definitions/interface.go
index 467970a..a7ee29c 100644
--- a/internal/definitions/interface.go
+++ b/internal/definitions/interface.go
@@ -6,10 +6,15 @@ import (
 )
 
 type Interface struct {
-	Type           InterfaceType           `json:"type" validate:"min=0,max=3"`
-	AddressingMode InterfaceAddressingMode `json:"addressing_mode" validate:"min=0,max=2"`
-	Address        netip.Addr              `json:"address" validate:"min=0,max=2"`
-	Comment        string                  `json:"comment,omitempty"`
+	Type              InterfaceType           `json:"type" validate:"min=0,max=3"`
+	AddressingMode    InterfaceAddressingMode `json:"addressing_mode" validate:"min=0,max=2"`
+	Address           *netip.Addr             `json:"address,omitempty" validate:"excluded_unless=AddressingMode 1"`
+	HardwareInterface *string                 `json:"hardware_interface,omitempty" validate:"excluded_unless=Type 0"`
+	// TODO fix Validator for int pointers with min=0,max=4094
+	VlanID        *uint     `json:"vlan_id,omitempty" validate:"excluded_unless=Type 1"`
+	BondMembers   *[]string `json:"bond_members,omitempty" validate:"excluded_unless=Type 2"`
+	BridgeMembers *[]string `json:"bridge_members,omitempty" validate:"excluded_unless=Type 3"`
+	Comment       string    `json:"comment,omitempty"`
 }
 
 type InterfaceType int