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Prepare the hardware and OS

Install VLAN Module

• In order for us to run VLANs on the server we need to install the VLAN module

#Install the VLAN package
sudo apt-get update
sudo apt-get install vlan
#Permanently load the module during boot time
sudo su -c 'echo "8021q" >> /etc/modules'
#Reboot the server
sudo reboot
#Confirm that it is loaded
lsmod  | grep 8021q

Install Bridge Utilities

• In order for us be be able to use the bridging capabilities on the server, we need to install the bridge utilities.

#Install the bridge-utils package
sudo apt-get update
sudo apt-get install bridge-utils

Configure the Interfaces

• If your server has only one interface card, edit the /etc/rc.local file to contain the following:

# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.
 
#Set up the dummy interface
/sbin/modprobe dummy
/sbin/ip link add dummy0 type dummy
/sbin/ip link set name eth1 dev dummy0
/sbin/ifconfig eth1 hw ether 00:22:22:ff:ff:ff
/sbin/ip link set eth1 up promisc on
 
#Now add the VLAN
/sbin/ip link add link eth1 name eth1.101 type vlan id 101
/sbin/ip link set eth1.101 up promisc on
/sbin/brctl addbr br0.101
/sbin/brctl addif br0.101 eth1.101
/sbin/ip addr add 10.101.0.1/16 dev br0.101
/sbin/ip link set dev br0.101 up
 
/sbin/ip link add link eth1 name eth1.102 type vlan id 102
/sbin/ip link set eth1.102 up promisc on
/sbin/brctl addbr br0.102
/sbin/brctl addif br0.102 eth1.102
/sbin/ip addr add 10.102.0.1/16 dev br0.102
/sbin/ip link set dev br0.102 up
 
/sbin/ip link add link eth1 name eth1.103 type vlan id 103
/sbin/ip link set eth1.103 up promisc on
/sbin/brctl addbr br0.103
/sbin/brctl addif br0.103 eth1.103
/sbin/ip addr add 10.103.0.1/16 dev br0.103
/sbin/ip link set dev br0.103 up
 
exit 0