#!/bin/bash
#
# This script manually configures routes for the various local networks.
#
# This script assumes eth0 is configured as: 10.192.64.1/28
# and a default gw of 10.192.64.2 exists for the main routing table.
# Also assumes the LAN interface eth1 is configured as: 172.27.1.5/24
#

if [ "$IFACE" = lo ]; then
  exit 0
fi

if [ "$IFACE" = eth0 ]; then

  ip route add 10.192.64.0/28 dev eth0 src 10.192.64.1 table MyTable

fi

if [ "$IFACE" = eth1 ]; then

  # Add address to the LAN interface
  ip addr add 10.27.1.5/24 brd 10.27.1.255 dev eth1

  # Set traffic arriving on new IP to go to secondary routing table
  ip rule add prio 200 from 10.27.1.0/24 lookup MyTable
  ip rule add prio 301 from 10.192.64.3 lookup MyTable

  # Set routes for the MyTable table
  #  - setting src here tells which ip to send packets from
  ip route add 10.27.1.0/24 dev eth1 src 10.27.1.5 table MyTable
  ip route add 127.0.0.0/8 dev lo table MyTable
  ip route add default via 10.192.64.2 src 10.192.64.1 table MyTable

  # Setup the routes bridging computers and phones
  ip route add 172.27.1.0/24 dev eth1 src 172.27.1.5 table MyTable
  ip route add 10.27.1.0/24 dev eth1 src 10.27.1.5 table main

fi

# Flush the route rules to update the kernel
ip route flush cache
exit 0