Closes #2805: Allow null route distinguisher for VRFs

netbox/ipam/migrations/0024_vrf_allow_null_rd.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.1.5 on 2019-01-31 18:14
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ipam', '0023_change_logging'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='vrf',
+            name='rd',
+            field=models.CharField(blank=True, max_length=21, null=True, unique=True),
+        ),
+    ]