#!/bin/bash
sudo ip netns add ns1
sudo ip link add ns1veth1 type veth peer name eth0 netns ns1
sudo ip netns add ns2
sudo ip link add ns2veth1 type veth peer name eth0 netns ns2
sudo ip link set ns1veth1 master vrftest
sudo ip link set ns2veth1 master vrftest
sudo ip link set ns2veth1 up
sudo ip link set ns1veth1 up
sudo ip addr add 1.1.1.254/24 dev ns1veth1
sudo ip addr add 2.2.2.254/24 dev ns2veth1
sudo ip netns exec ns2 ip addr add 2.2.2.1/24 dev eth0
sudo ip netns exec ns1 ip addr add 1.1.1.1/24 dev eth0
sudo ip netns exec ns1 ip link set eth0 up
sudo ip netns exec ns1 ip link set lo up
sudo ip netns exec ns1 ip route add default via 1.1.1.254 dev eth0
sudo ip netns exec ns2 ip link set eth0 up
sudo ip netns exec ns2 ip link set lo up
sudo ip netns exec ns2 ip route add default via 2.2.2.254 dev eth0
sudo iptables -t mangle -A PREROUTING -s 1.1.1.1 -j LOG --log-prefix="vrf-test-prerouting"
sudo iptables -t mangle -A FORWARD -s 1.1.1.1 -j LOG --log-prefix="vrf-test-forward"
sudo iptables -t mangle -A POSTROUTING -s 1.1.1.1 -j LOG --log-prefix="vrf-test-postrouting"
sudo iptables -t mangle -A PREROUTING -d 1.1.1.1 -j LOG --log-prefix="vrf-test-prerouting"
sudo iptables -t mangle -A FORWARD -d 1.1.1.1 -j LOG --log-prefix="vrf-test-forward"
sudo iptables -t mangle -A POSTROUTING -d 1.1.1.1 -j LOG --log-prefix="vrf-test-postrouting"
sudo iptables -t mangle -A INPUT -d 1.1.1.1 -j LOG --log-prefix="vrf-test-localin"
sudo iptables -t mangle -A INPUT -s 1.1.1.1 -j LOG --log-prefix="vrf-test-localin"
sudo iptables -t mangle -A OUTPUT -s 1.1.1.1 -j LOG --log-prefix="vrf-test-localout"
sudo iptables -t mangle -A OUTPUT -d 1.1.1.1 -j LOG --log-prefix="vrf-test-localout"
