diff --git a/content/post/13-migration-opnsense-proxmox-highly-available.md b/content/post/13-migration-opnsense-proxmox-highly-available.md
index 658244f..66186a9 100644
--- a/content/post/13-migration-opnsense-proxmox-highly-available.md
+++ b/content/post/13-migration-opnsense-proxmox-highly-available.md
@@ -104,4 +104,7 @@ In `System` > `Settings` > `Administration`, I change several things:
 - **Sudo**: `No password`.
 Once I click `Save`, I follow the link given to reach the WebGUI on port `4443`.
 
-### Interfaces
\ No newline at end of file
+### Interfaces
+
+On both firewalls, I assign the remaining NICs to new interfaces adding a description. The VMs have 7 interfaces, I carefully compare the MAC addresses to not mix them up:
+![opnsense-assign-interfaces.png](img/opnsense-assign-interfaces.png)
\ No newline at end of file
diff --git a/static/img/opnsense-assign-interfaces.png b/static/img/opnsense-assign-interfaces.png
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