diff --git a/data/01_base.yml b/data/01_base.yml
new file mode 100644
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--- /dev/null
+++ b/data/01_base.yml
@@ -0,0 +1,66 @@
+---
+apiVersion: infrahub.app/v1
+kind: Object
+spec:
+  kind: InfraPlatform
+  data:
+    - name: Arista EOS
+      naplam_driver: eos
+      netmiko_device_type: arista_eos
+      containerlab_kind: arista_ceos
+    - name: Linux
+      containerlab_kind: linux
+---
+apiVersion: infrahub.app/v1
+kind: Object
+spec:
+  kind: InfraAutonomousSystem
+  data:
+    - name: spine-as
+      asn: 65000
+      description: "Spine layer - BGP EVPN route reflectors"
+    - name: vtep1-as
+      asn: 65001
+      description: "VTEP1 leaf pair (leaf1/leaf2) - L2 VXLAN"
+    - name: vtep2-as
+      asn: 65002
+      description: "VTEP2 leaf pair (leaf3/leaf4) - L3 VXLAN VRF gold"
+    - name: vtep3-as
+      asn: 65003
+      description: "VTEP3 leaf pair (leaf5/leaf6) - L2 VXLAN"
+    - name: vtep4-as
+      asn: 65004
+      description: "VTEP4 leaf pair (leaf7/leaf8) - L3 VXLAN VRF gold"
+---
+apiVersion: infrahub.app/v1
+kind: Object
+spec:
+  kind: InfraVRF
+  data:
+    - name: gold
+      vni: 100001
+      description: "VRF Gold - L3 VXLAN inter-VTEP routing"
+---
+apiVersion: infrahub.app/v1
+kind: Object
+spec:
+  kind: InfraVLAN
+  data:
+    - name: test-l2-vxlan
+      vlan_id: 40
+      vni: 110040
+      description: "L2 VXLAN stretched VLAN across VTEP1 and VTEP3"
+    - name: vrf-gold-subnet-34
+      vlan_id: 34
+      vrf: gold
+      description: "VRF Gold subnet on VTEP2 (leaf3/leaf4) - 10.34.34.0/24"
+    - name: vrf-gold-subnet-78
+      vlan_id: 78
+      vrf: gold
+      description: "VRF Gold subnet on VTEP4 (leaf7/leaf8) - 10.78.78.0/24"
+    - name: mlag-peer
+      vlan_id: 4090
+      description: "MLAG peer-link SVI"
+    - name: mlag-ibgp
+      vlan_id: 4091
+      description: "MLAG iBGP peering SVI"