If you’re like me, you’ll like to mentally create pictures to make sense of what you’re reading. The underpinnings of Xen networking, as I found out, is not that difficult once you have the correct pictures in mind. Once I’d discovered the secrets, I decided to write a paper explaining it to myself. Hopefully, others will find this useful as well!

It’s important to understand that XenServer networking operates at Layer 2 of the OSI. This means it’s independent of any Layer 3 addressing, such as IP. As we’ll see, XenServer acts as a Layer 2 virtual switch…” Read more in my Citrix Knowledge Center article.