EVPN Interoperability Modes
draft-krattiger-evpn-modes-interop-02
INTERNET-DRAFT L. Krattiger, Ed.
Intended Status: Informational A. Sajassi, Ed.
Expires: January 28, 2021 S. Thoria
Cisco Systems
J. Rabadan
Nokia
J. Drake
Juniper
July 27, 2020
EVPN Interoperability Modes
draft-krattiger-evpn-modes-interop-02
Abstract
Ethernet VPN (EVPN) provides different functional modes in the area
of Service Interface, Integrated Route and Bridge (IRB) and IRB Core
connectivity. This document specifies how the different EVPN
functional modes and types can interoperate with each other. This
document doesn't aim to redefine the existing functional modes but
extend them for interoperability.
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INTERNET DRAFT EVPN Interoperability Modes July 27, 2020
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Requirements Language . . . . . . . . . . . . . . . . . . . 3
2. Valid Combinations for Interoperability . . . . . . . . . . . 3
3. Service Interface Interoperability . . . . . . . . . . . . . . 5
3.1. VLAN-Aware Bundle and VLAN-Based . . . . . . . . . . . . . 5
3.1.1. VLAN-Aware Bundle Service PE . . . . . . . . . . . . . 6
3.1.2. VLAN-Based Service PE . . . . . . . . . . . . . . . . 7
3.2. Service Interface Interop Mode of Operation . . . . . . . . 7
4. Interoperability for different IRB Types . . . . . . . . . . . 8
4.1. Asymmetric IRB and Symmetric IRB . . . . . . . . . . . . . 8
4.1.1. Asymmetric IRB PE . . . . . . . . . . . . . . . . . . 10
4.1.2. Symmetric IRB PE . . . . . . . . . . . . . . . . . . . 10
4.2. IRB Interop Mode of Operation . . . . . . . . . . . . . . . 11
5. Interoperability for different IRB Core Connectivity Modes . . 12
5.1. Interface-Less and Interface-Ful Unnumbered IRB . . . . . 12
5.1.1. Interface-Less PE . . . . . . . . . . . . . . . . . . 15
5.1.2. Interface-Ful Unnumbered IRB . . . . . . . . . . . . . 15
5.2. Tunnel Encapsulation Consideration . . . . . . . . . . . . 17
6. Security Considerations . . . . . . . . . . . . . . . . . . . 17
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 17
8. References . . . . . . . . . . . . . . . . . . . . . . . . . . 18
8.1. Normative References . . . . . . . . . . . . . . . . . . . 18
8.2. Informative References . . . . . . . . . . . . . . . . . . 18
9. Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . 19
9.1. Demonstration of Applicability . . . . . . . . . . . . . . 19
9.1.1. Service Interface Interoperability . . . . . . . . . . 19
9.1.2. IRB Types . . . . . . . . . . . . . . . . . . . . . . 19
9.1.3. IRB Core Connectivity Types . . . . . . . . . . . . . 20
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