andyjsharp / topo-verify

Low level Topology verification using Packet injection

topo-verify

Low level Topology verification using Packet injection.

Requirements

• Minimum 2 VM to start (1gb of RAM) in Vagrant and Vagrant itself.
• Install Python dependencies pip install -r requirements.txt.

How to use it:

• Clone the repo.

git clone https://github.com/roboydk/topo-verify.git

• Spin up the vagrant file

cd topo-verify/python && vagrant up

• Apply the ansible playbook

cd ../ansible && ANSIBLE_HOST_KEY_CHECKING=False ansible-playbook playbooks/eline.yml -i ansible_hosts

• Execute the python script. You should pass 2 parameters to script. File with all hosts and topology in YAML format.

cd ../python && python topo_verifier.py ../ansible/ansible_hosts topo_10_nodes.yaml

You will have output of all available devices and will have list of devices with connection issue in between.

• Graph visualization (optional step)

Run python http server from graph folder.

cd ../graph && python -m SimpleHTTPServer 8000

Open browser and go to http://localhost:8000/index.html Enjoy!