BGP Dissemination of L2 Flow Specification Rules
draft-ietf-idr-flowspec-l2vpn-14

The information below is for an old version of the document
Document Type Active Internet-Draft (idr WG)
Authors Hao Weiguo  , Donald Eastlake  , Jim Uttaro  , Stephane Litkowski  , Shunwan Zhuang 
Last updated 2020-04-12 (latest revision 2019-12-31)
Replaces draft-hao-idr-flowspec-evpn
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INTERNET-DRAFT                                                    W. Hao
Intended Status: Proposed Standard                   Huawei Technologies
                                                             D. Eastlake
                                                  Futurewei Technologies
                                                               J. Uttaro
                                                                    AT&T
                                                            S. Litkowski
                                                           Cisco Systems
                                                               S. Zhuang
                                                     Huawei Technologies
Expires: October 11, 2020                                 April 12, 2020

            BGP Dissemination of L2 Flow Specification Rules
                    draft-ietf-idr-flowspec-l2vpn-14

Abstract
   This document defines a Border Gateway Protocol (BGP) Flow
   Specification (flowspec) extension to disseminate Ethernet Layer 2
   (L2) and Layer 2 Virtual Private Network (L2VPN) traffic filtering
   rules either by themselves or in conjunction with L3 flowspecs.
   AFI/SAFI 6/133 and 25/134 are used for these purposes.  New component
   types and an extended community also are defined.

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W. Hao, et al                                                   [Page 1]
INTERNET-DRAFT                                              L2 Flow Spec

Table of Contents

      1. Introduction............................................3
      1.1 Terminology............................................4

      2. Layer 2 Flow Specification Encoding.....................5
      2.1 L2 Component Types.....................................6
      2.1.1 Type 1 - Ethernet Type (EtherType)...................6
      2.1.2 Type 2 - Source MAC..................................7
      2.1.3 Type 3 - Destination MAC.............................7
      2.1.4 Type 4 - DSAP (Destination Service Access Point).....7
      2.1.5 Type 5 - SSAP (Source Service Access Point)..........7
      2.1.6 Type 6 - Control field in LLC........................8
      2.1.7 Type 7 - SNAP........................................8
      2.1.8 Type 8 - VLAN ID.....................................8
      2.1.9 Type 9 - VLAN PCP....................................8
      2.1.10 Type 10 - Inner VLAN ID.............................9
      2.1.11 Type 11 - Inner VLAN PCP............................9
      2.1.12 Type 12 - VLAN DEI..................................9
      2.1.13 Type 13 - Inner VLAN DEI...........................10
      2.1.14 Type 14 - Source MAC Special Bits..................10
      2.1.15 Type 15 - Destination MAC Special Bits.............10
      2.2 Order of Traffic Filtering Rules......................10

      3. L2VPN Flow Specification Encoding in BGP...............12
      3.1 Order of L2VPN Filtering Rules........................12

      4. Ethernet Flow Specification Traffic Actions............13
      4.1 VLAN-action...........................................13
      4.2 TPID-action...........................................15

      5. Flow Spec Validation...................................16

      6. IANA Considerations....................................17
      7. Security Considerations................................19

      8. Acknowledgements.......................................19
      9. Contributors...........................................19

      Normative References......................................20
      Informative References....................................21

      Authors' Addresses........................................22

W. Hao, et al                                                   [Page 2]
INTERNET-DRAFT                                              L2 Flow Spec

1. Introduction

   Border Gateway Protocol (BGP) Flow Specification [RFC5575bis]
   (flowspec) is an extension to BGP that supports the dissemination of
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