From 240f5493ed7b714d12c2a70878205df4086a1325 Mon Sep 17 00:00:00 2001
From: Damien Arnodo <damien@noreply.localhost>
Date: Sun, 16 Nov 2025 15:33:43 +0000
Subject: [PATCH] Add ContainerLab topology file

---
 evpn-lab.clab.yml | 147 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 evpn-lab.clab.yml

diff --git a/evpn-lab.clab.yml b/evpn-lab.clab.yml
new file mode 100644
index 0000000..03ee9d1
--- /dev/null
+++ b/evpn-lab.clab.yml
@@ -0,0 +1,147 @@
+name: arista-evpn-fabric
+
+mgmt:
+  network: evpn-mgmt
+  ipv4-subnet: 172.16.0.0/24
+
+topology:
+  kinds:
+    ceos:
+      image: ceos:4.35.0
+      
+  nodes:
+    # Spine Switches
+    spine1:
+      kind: ceos
+      mgmt-ipv4: 172.16.0.1
+      startup-config: configs/spine1.cfg
+      
+    spine2:
+      kind: ceos
+      mgmt-ipv4: 172.16.0.2
+      startup-config: configs/spine2.cfg
+    
+    # Leaf Switches - VTEP1 (AS 65001)
+    leaf1:
+      kind: ceos
+      mgmt-ipv4: 172.16.0.25
+      startup-config: configs/leaf1.cfg
+      
+    leaf2:
+      kind: ceos
+      mgmt-ipv4: 172.16.0.50
+      startup-config: configs/leaf2.cfg
+    
+    # Leaf Switches - VTEP2 (AS 65002)
+    leaf3:
+      kind: ceos
+      mgmt-ipv4: 172.16.0.27
+      startup-config: configs/leaf3.cfg
+      
+    leaf4:
+      kind: ceos
+      mgmt-ipv4: 172.16.0.28
+      startup-config: configs/leaf4.cfg
+    
+    # Leaf Switches - VTEP3 (AS 65003)
+    leaf5:
+      kind: ceos
+      mgmt-ipv4: 172.16.0.29
+      startup-config: configs/leaf5.cfg
+      
+    leaf6:
+      kind: ceos
+      mgmt-ipv4: 172.16.0.30
+      startup-config: configs/leaf6.cfg
+    
+    # Leaf Switches - VTEP4 (AS 65004)
+    leaf7:
+      kind: ceos
+      mgmt-ipv4: 172.16.0.31
+      startup-config: configs/leaf7.cfg
+      
+    leaf8:
+      kind: ceos
+      mgmt-ipv4: 172.16.0.32
+      startup-config: configs/leaf8.cfg
+    
+    # Host devices for testing
+    host1:
+      kind: linux
+      mgmt-ipv4: 172.16.0.101
+      image: alpine:latest
+      exec:
+        - ip link add bond0 type bond mode 802.3ad
+        - ip link set eth1 master bond0
+        - ip link set eth2 master bond0
+        - ip link set bond0 up
+      
+    host2:
+      kind: linux
+      mgmt-ipv4: 172.16.0.102
+      image: alpine:latest
+      exec:
+        - ip link add bond0 type bond mode 802.3ad
+        - ip link set eth1 master bond0
+        - ip link set eth2 master bond0
+        - ip link set bond0 up
+      
+    host3:
+      kind: linux
+      mgmt-ipv4: 172.16.0.103
+      image: alpine:latest
+      exec:
+        - ip link add bond0 type bond mode 802.3ad
+        - ip link set eth1 master bond0
+        - ip link set eth2 master bond0
+        - ip link set bond0 up
+      
+    host4:
+      kind: linux
+      mgmt-ipv4: 172.16.0.104
+      image: alpine:latest
+      exec:
+        - ip link add bond0 type bond mode 802.3ad
+        - ip link set eth1 master bond0
+        - ip link set eth2 master bond0
+        - ip link set bond0 up
+
+  links:
+    # Spine1 to Leaf connections (underlay fabric)
+    - endpoints: ["spine1:eth1", "leaf1:eth11"]
+    - endpoints: ["spine1:eth2", "leaf2:eth11"]
+    - endpoints: ["spine1:eth3", "leaf3:eth11"]
+    - endpoints: ["spine1:eth4", "leaf4:eth11"]
+    - endpoints: ["spine1:eth5", "leaf5:eth11"]
+    - endpoints: ["spine1:eth6", "leaf6:eth11"]
+    - endpoints: ["spine1:eth7", "leaf7:eth11"]
+    - endpoints: ["spine1:eth8", "leaf8:eth11"]
+    
+    # Spine2 to Leaf connections (underlay fabric)
+    - endpoints: ["spine2:eth1", "leaf1:eth12"]
+    - endpoints: ["spine2:eth2", "leaf2:eth12"]
+    - endpoints: ["spine2:eth3", "leaf3:eth12"]
+    - endpoints: ["spine2:eth4", "leaf4:eth12"]
+    - endpoints: ["spine2:eth5", "leaf5:eth12"]
+    - endpoints: ["spine2:eth6", "leaf6:eth12"]
+    - endpoints: ["spine2:eth7", "leaf7:eth12"]
+    - endpoints: ["spine2:eth8", "leaf8:eth12"]
+    
+    # MLAG Peer Links (leaf pairs)
+    - endpoints: ["leaf1:eth10", "leaf2:eth10"]
+    - endpoints: ["leaf3:eth10", "leaf4:eth10"]
+    - endpoints: ["leaf5:eth10", "leaf6:eth10"]
+    - endpoints: ["leaf7:eth10", "leaf8:eth10"]
+    
+    # Host connections (dual-homed to MLAG pairs for testing)
+    - endpoints: ["leaf1:eth1", "host1:eth1"]
+    - endpoints: ["leaf2:eth1", "host1:eth2"]
+    
+    - endpoints: ["leaf3:eth1", "host2:eth1"]
+    - endpoints: ["leaf4:eth1", "host2:eth2"]
+    
+    - endpoints: ["leaf5:eth1", "host3:eth1"]
+    - endpoints: ["leaf6:eth1", "host3:eth2"]
+    
+    - endpoints: ["leaf7:eth1", "host4:eth1"]
+    - endpoints: ["leaf8:eth1", "host4:eth2"]