O'Reilly logo

OpenStack Networking Cookbook by Chandan Dutta Chowdhury, Sriram Subramanian

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Configuring Neutron to use a GRE type driver

As described earlier, tunneled networks can also be implemented using the Generic Routing Encapsulation (GRE) protocol. GRE is a general-purpose point-to-point encapsulation protocol. The GRE header contains a 32-bit key which is used to identify a flow or virtual network in a tunnel.

This recipe shows you how to configure the OpenStack Neutron in order to use GRE for virtual networking.

Getting ready

For this recipe, we will need the following information:

  • An SSH-based access to the OpenStack controller node
  • The IP address for the tunnel endpoint
  • A range of tunnel IDs

How to do it…

The following steps will show you how to configure the GRE type driver for the ML2 plugin:

  1. With the appropriate credentials, SSH ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required