From 26bd339a5900f1319103b9b431f5b591a67a8362 Mon Sep 17 00:00:00 2001
From: Miguel Scapolla <mascapolla@yahoo.com.ar>
Date: Fri, 6 May 2016 19:26:32 -0300
Subject: [PATCH] Linux VRF.

---
 linux-vrf.sh | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 linux-vrf.sh

diff --git a/linux-vrf.sh b/linux-vrf.sh
new file mode 100644
index 0000000..46a5603
--- /dev/null
+++ b/linux-vrf.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+#
+#   http://www.adminarticles.com/vrf-lite-with-iproute2/
+#
+
+PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+
+modprobe 8021q
+
+ifconfig eth1 up
+ifconfig eth2 up
+
+vconfig add eth1 11
+vconfig add eth1 22
+vconfig add eth2 11
+vconfig add eth2 22
+
+ifconfig eth1.11 10.10.10.1/24
+ifconfig eth1.22 10.20.20.1/24
+ifconfig eth2.11 10.30.30.1/24
+ifconfig eth2.22 10.40.40.1/24
+
+ip route add 10.10.10.0/24 table VPNA dev eth1.11 proto static
+ip route add 10.20.20.0/24 table VPNB dev eth1.22 proto static
+ip route add 10.30.30.0/24 table VPNA dev eth2.11 proto static
+ip route add 10.40.40.0/24 table VPNB dev eth2.22 proto static
+
+ip route add 20.20.20.1/32 table VPNA dev eth1.11 via 10.10.10.2 proto static
+ip route add 20.20.20.1/32 table VPNB dev eth1.22 via 10.20.20.2 proto static
+ip route add 30.30.30.1/32 table VPNA dev eth2.11 via 10.30.30.2 proto static
+ip route add 30.30.30.1/32 table VPNB dev eth2.22 via 10.40.40.2 proto static
+
+ip rule add iif eth1.11 table VPNA prio 1000
+ip rule add iif eth1.22 table VPNB prio 1001
+ip rule add iif eth2.11 table VPNA prio 1002
+ip rule add iif eth2.22 table VPNB prio 1003
+
+#### cat /etc/iproute2/rt_tables 
+#1       VPNA
+#2       VPNB
+####