Lw4o6-builder

Building a Test-Bed for light-weigth 4o6 IPv6 Transition Technology.

Ansible software was used, to automate the process of installation and configuration of the whole topology elements.

Just get the toplogy built, as shown below: -

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All machines are CentOS-7 and built using VMware Workstation Player.

IP configurations

IPv4 client: must be manually configured

LwB4: ens34 must be manually configured, the script will take care of the rest.

(Make sure that LwB4 has two interfaces: ens34 IPv4 capable interface & ens35 IPv6 capable interface)

LwAFTR: The script will take care of everything.

(Make sure that LwAFTR has two interfaces: ens34 IPv6 capable interface & ens35 IPv4 capable interface)

IPv4 Server: must be manually configured.

Now, the machines are built, the required IPs are configured.

Preparation for automation.

Pre-requisites on every machine:-

yum update

yum install epel-release

yum install ansible

yum install git

git clone https://github.com/ameen-mcmxc/lw4o6-automation.git

Now, it's time to confiugre each machine alone: -

I assumed that you logged in as "root".

Building IPv4 Client: -

Make sure that you adjust interface names according to your topology.

Login to IPv4-client Machine.

cd /root/lw4o6-automation

ansible-playbook IPv4-client.yml

Building lwB4 Router: -

Make sure that you adjust interface names according to your topology.

Login to lwB4 Machine.

cd /root/lw4o6-automation

ansible-playbook lwB4.yml

Building IPv4 Server: -

Make sure that you adjust interface names according to your topology.

Login to IPv4-server Machine.

cd /root/lw4o6-automation

ansible-playbook IPv4-server.yml

Building lwAFTR Router: -

Make sure that you adjust interface names according to your topology.

Login to lwAFTR Machine.

cd /root/lw4o6-automation

ansible-playbook lwAFTR.yml

Running Snabb

For Snabb to work, run the commands below on lwAFTR:

isolcpus=2,3

sudo src/snabb lwaftr run --name "test-lwaftr" --cpu 2-3 --conf lwaftr-start.conf &

To stopp Snabb: -

killall -9 snabb

Note: the IPv4 Server and lwB4 machines MUST be ON, so that ARP from lwAFTR towards IPv4 Server and lwB4 works.