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

Allowing the Virtual Machine instances to access the Internet

Routers allow VMs across different Networks to communicate with each other. They also play another crucial role. Routers allow VMs to communicate with entities outside the OpenStack Network such as the Internet. In Chapter 3, Exploring Other Network Types in Neutron, we introduced the concept of an external Network. External Networks, when used with a Router, allow the VM instances to access the Internet.

Getting ready

In order to allow VMs to access the Internet, we will need two types of Networks. A tenant Network will be used to create an instance and associate it to a Router. Next, the Router needs to be connected to an External Network that has access to the Internet. Note that an ...

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