diff --git a/netbox_cmdb/netbox_cmdb/migrations/0036_deviceinterface.py b/netbox_cmdb/netbox_cmdb/migrations/0036_deviceinterface.py
new file mode 100644
index 0000000..eea6f64
--- /dev/null
+++ b/netbox_cmdb/netbox_cmdb/migrations/0036_deviceinterface.py
@@ -0,0 +1,33 @@
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dcim', '0161_cabling_cleanup'),
+        ('netbox_cmdb', '0035_vlan'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='DeviceInterface',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
+                ('created', models.DateTimeField(auto_now_add=True, null=True)),
+                ('last_updated', models.DateTimeField(auto_now=True, null=True)),
+                ('name', models.CharField(max_length=100)),
+                ('enabled', models.BooleanField(default=True)),
+                ('state', models.CharField(default='staging', max_length=50)),
+                ('monitoring_state', models.CharField(default='disabled', max_length=50)),
+                ('autonegotiation', models.BooleanField(default=True)),
+                ('speed', models.PositiveIntegerField(blank=True, null=True)),
+                ('fec', models.CharField(blank=True, max_length=5, null=True)),
+                ('description', models.CharField(blank=True, max_length=100, null=True)),
+                ('device', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='%(class)sdevice', to='dcim.device')),
+            ],
+            options={
+                'unique_together': {('device', 'name')},
+            },
+        ),
+    ]
diff --git a/netbox_cmdb/netbox_cmdb/models/__init__.py b/netbox_cmdb/netbox_cmdb/models/__init__.py
index 26872ce..7bf185b 100644
--- a/netbox_cmdb/netbox_cmdb/models/__init__.py
+++ b/netbox_cmdb/netbox_cmdb/models/__init__.py
@@ -1,6 +1,7 @@
 from netbox_cmdb.models.bgp import *
 from netbox_cmdb.models.bgp_community_list import *
 from netbox_cmdb.models.circuit import *
+from netbox_cmdb.models.interface import *
 from netbox_cmdb.models.prefix_list import *
 from netbox_cmdb.models.route_policy import *
 from netbox_cmdb.models.vlan import *
diff --git a/netbox_cmdb/netbox_cmdb/models/interface.py b/netbox_cmdb/netbox_cmdb/models/interface.py
new file mode 100644
index 0000000..ae06b45
--- /dev/null
+++ b/netbox_cmdb/netbox_cmdb/models/interface.py
@@ -0,0 +1,54 @@
+from django.db import models
+from netbox_cmdb.choices import AssetStateChoices, AssetMonitoringStateChoices
+from netbox.models import ChangeLoggedModel
+
+FEC_CHOICES = [
+    (None, "None"),
+    ("rs", "Reed Solomon"),
+    ("fc", "FireCode"),
+]
+
+
+class DeviceInterface(ChangeLoggedModel):
+    """A device interface configuration."""
+
+    name = models.CharField(max_length=100)
+    enabled = models.BooleanField(default=True)
+    state = models.CharField(
+        max_length=50,
+        choices=AssetStateChoices,
+        default=AssetStateChoices.STATE_STAGING,
+        help_text="State of this DeviceInterface",
+    )
+    monitoring_state = models.CharField(
+        max_length=50,
+        choices=AssetMonitoringStateChoices,
+        default=AssetMonitoringStateChoices.DISABLED,
+        help_text="Monitoring state of this DeviceInterface",
+    )
+    device = models.ForeignKey(
+        to="dcim.Device",
+        on_delete=models.CASCADE,
+        related_name="%(class)sdevice",
+        null=False,
+        blank=False,
+    )
+    autonegotiation = models.BooleanField(default=True)
+    speed = models.PositiveIntegerField(
+        blank=True,
+        null=True,
+        help_text="Interface speed in kb/s",
+    )
+    fec = models.CharField(
+        choices=FEC_CHOICES,
+        max_length=5,
+        blank=True,
+        null=True,
+    )
+    description = models.CharField(max_length=100, blank=True, null=True)
+
+    def __str__(self):
+        return f"{self.device.name}--{self.name}"
+
+    class Meta:
+        unique_together = ("device", "name")