RFC 7348 - VXLAN: Virtual eXtensible Local Area Network
Publication Date: August 2014
Category: Informational
Authors: M. Mahalingam (Storvisor), D. Dutt (Cumulus Networks), K. Duda (Arista), P. Agarwal (Broadcom), L. Kreeger (Cisco), T. Sridhar (VMware), M. Bursell (Intel), C. Wright (Red Hat)
Abstract
This document describes Virtual eXtensible Local Area Network (VXLAN), which is used to address the need for overlay networks within virtualized data centers accommodating multiple tenants. The scheme and the related protocols can be used in networks for cloud service providers and enterprise data centers. This memo documents the deployed VXLAN protocol for the benefit of the Internet community.
Status of This Memo
This document is not an Internet Standards Track specification; it is published for informational purposes.
This is a contribution to the RFC Series, independently of any other RFC stream. The RFC Editor has chosen to publish this document at its discretion and makes no statement about its value for implementation or deployment. Documents approved for publication by the RFC Editor are not a candidate for any level of Internet Standard; see Section 2 of RFC 5741.
Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at ````http://www.rfc-editor.org/info/rfc7348\````.
Copyright Notice
Copyright (c) 2014 IETF Trust and the persons identified as the document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (````http://trustee.ietf.org/license-info\````) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document.
Table of Contents
- 1. Introduction
- 1.1 Acronyms and Definitions
- 2. Conventions Used in This Document
- 3. VXLAN Problem Statement
- 3.1 Limitations Imposed by Spanning Tree and VLAN Ranges
- 3.2 Multi-tenant Environments
- 3.3 Inadequate Table Sizes at ToR Switch
- 4. VXLAN
- 4.1 Unicast VM-to-VM Communication
- 4.2 Broadcast Communication and Mapping to Multicast
- 4.3 Physical Infrastructure Requirements
- 5. VXLAN Frame Format
- 6. VXLAN Deployment Scenarios
- 6.1 Inner VLAN Tag Handling
- 7. Security Considerations
- 8. IANA Considerations
- 9. References
- 9.1 Normative References
- 9.2 Informative References
- 10. Acknowledgments
Related Resources
- Official Text: RFC 7348
- Official Page: RFC 7348 DataTracker
- Errata: RFC Editor Errata