diff --git a/docs/resources/transport_t1_e1_controller_feature.md b/docs/resources/transport_t1_e1_controller_feature.md
index 2df9ae74..319790e0 100644
--- a/docs/resources/transport_t1_e1_controller_feature.md
+++ b/docs/resources/transport_t1_e1_controller_feature.md
@@ -70,6 +70,7 @@ resource "sdwan_transport_t1_e1_controller_feature" "example" {
 Optional:
 
 - `cable_length` (String) Cable Config
+  - Choices: `short`, `long`
 - `channel_groups` (Attributes List) Channel Group List (see [below for nested schema](#nestedatt--entries--channel_groups))
 - `clock_source` (String) Clock Source
   - Choices: `line`, `internal`, `loop-timed`, `network`
diff --git a/gen/definitions/profile_parcels/transport_t1_e1_controller.yaml b/gen/definitions/profile_parcels/transport_t1_e1_controller.yaml
index c6eca8be..86cd4a42 100644
--- a/gen/definitions/profile_parcels/transport_t1_e1_controller.yaml
+++ b/gen/definitions/profile_parcels/transport_t1_e1_controller.yaml
@@ -56,7 +56,7 @@ attributes:
       example: ami
     - model_name: cableLength
       data_path: [cable]
-      enum: [short, long]
+      enum_values: [short, long]
       type: String
       example: "long"
     - model_name: lengthShort
diff --git a/internal/provider/resource_sdwan_transport_t1_e1_controller_feature.go b/internal/provider/resource_sdwan_transport_t1_e1_controller_feature.go
index 4b00ee16..6df52eee 100644
--- a/internal/provider/resource_sdwan_transport_t1_e1_controller_feature.go
+++ b/internal/provider/resource_sdwan_transport_t1_e1_controller_feature.go
@@ -170,8 +170,11 @@ func (r *TransportT1E1ControllerProfileParcelResource) Schema(ctx context.Contex
 							Optional:            true,
 						},
 						"cable_length": schema.StringAttribute{
-							MarkdownDescription: helpers.NewAttributeDescription("Cable Config").String,
+							MarkdownDescription: helpers.NewAttributeDescription("Cable Config").AddStringEnumDescription("short", "long").String,
 							Optional:            true,
+							Validators: []validator.String{
+								stringvalidator.OneOf("short", "long"),
+							},
 						},
 						"length_short": schema.StringAttribute{
 							MarkdownDescription: helpers.NewAttributeDescription("length").AddStringEnumDescription("110ft", "220ft", "330ft", "440ft", "550ft", "660ft").String,