diff --git a/kvminfra-tug-3.komreg.net/overlay/etc/network/interfaces b/kvminfra-tug-3.komreg.net/overlay/etc/network/interfaces
new file mode 100644
index 00000000..f9428532
--- /dev/null
+++ b/kvminfra-tug-3.komreg.net/overlay/etc/network/interfaces
@@ -0,0 +1,32 @@
+# This file describes the network interfaces available on your system
+# and how to activate them. For more information, see interfaces(5).
+
+source /etc/network/interfaces.d/*
+
+# The loopback network interface
+auto lo
+iface lo inet loopback
+
+# The primary network interface
+auto eno1
+iface eno1 inet manual 
+
+auto br-infra
+iface br-infra inet static
+        address 94.176.224.100
+        netmask 255.255.255.240
+        network 94.176.224.96
+        broadcast 94.176.224.111
+        gateway 94.176.224.97
+        # dns-* options are implemented by the resolvconf package, if installed
+        dns-nameservers 8.8.8.8
+        dns-search komreg.net
+        bridge_ports eno1
+        bridge_fd 2
+        bridge_stp off
+        bridge_maxwait 0
+
+iface br-infra inet6 static
+	address 2001:6b0:63:4::100
+	netmask 64
+	gateway 2001:6b0:63:4::1