Update docs/tech_docs/OPENwrt.md

docs/tech_docs/OPENwrt.md

@@ -171,4 +171,41 @@ After making changes to the `/etc/config/network` file:
 
 2. **Test Connectivity** to ensure that your network configurations work as expected.
 
-These steps allow you to flexibly configure and manage network settings directly from the CLI, accommodating changes in network design or infrastructure requirements efficiently.
+These steps allow you to flexibly configure and manage network settings directly from the CLI, accommodating changes in network design or infrastructure requirements efficiently.
+
+---
+
+```bash
+auto lo
+iface lo inet loopback
+
+iface enp3s0 inet manual
+
+auto vmbr0
+iface vmbr0 inet dhcp
+        bridge-ports enp3s0
+        bridge-stp off
+        bridge-fd 0
+
+auto vmbr1
+iface vmbr1 inet manual
+        bridge-ports none
+        bridge-stp off
+        bridge-fd 0
+
+auto vmbr2
+iface vmbr2 inet manual
+        bridge-ports none
+        bridge-stp off
+        bridge-fd 0
+
+auto vmbr3
+iface vmbr3 inet manual
+        bridge-ports none
+        bridge-stp off
+        bridge-fd 0
+
+iface wlp2s0 inet manual
+
+source /etc/network/interfaces.d/*
+```