draft-ietf-mpls-lsp-ping-lag-multipath-02.txt   draft-ietf-mpls-lsp-ping-lag-multipath-03.txt 
Internet Engineering Task Force N. Akiya Internet Engineering Task Force N. Akiya
Internet-Draft Big Switch Networks Internet-Draft Big Switch Networks
Updates: 8029 (if approved) G. Swallow Updates: 8029 (if approved) G. Swallow
Intended status: Standards Track Cisco Systems Intended status: Standards Track Cisco Systems
Expires: November 20, 2017 S. Litkowski Expires: June 3, 2018 S. Litkowski
B. Decraene B. Decraene
Orange Orange
J. Drake J. Drake
Juniper Networks Juniper Networks
M. Chen M. Chen
Huawei Huawei
May 19, 2017 November 30, 2017
Label Switched Path (LSP) Ping/Trace Multipath Support for Label Switched Path (LSP) Ping/Trace Multipath Support for
Link Aggregation Group (LAG) Interfaces Link Aggregation Group (LAG) Interfaces
draft-ietf-mpls-lsp-ping-lag-multipath-02 draft-ietf-mpls-lsp-ping-lag-multipath-03
Abstract Abstract
This document defines an extension to the MPLS Label Switched Path This document defines an extension to the MPLS Label Switched Path
(LSP) Ping and Traceroute as specified in RFC 8029. The extension (LSP) Ping and Traceroute as specified in RFC 8029. The extension
allows the MPLS LSP Ping and Traceroute to discover and exercise allows the MPLS LSP Ping and Traceroute to discover and exercise
specific paths of Layer 2 (L2) Equal-Cost Multipath (ECMP) over Link specific paths of Layer 2 (L2) Equal-Cost Multipath (ECMP) over Link
Aggregation Group (LAG) interfaces. Aggregation Group (LAG) interfaces.
This document updates RFC8029. This document updates RFC8029.
skipping to change at page 1, line 44 skipping to change at page 1, line 44
document are to be interpreted as described in RFC 2119 [RFC2119]. document are to be interpreted as described in RFC 2119 [RFC2119].
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on November 20, 2017. This Internet-Draft will expire on June 3, 2018.
Copyright Notice Copyright Notice
Copyright (c) 2017 IETF Trust and the persons identified as the Copyright (c) 2017 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License. described in the Simplified BSD License.
Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
skipping to change at page 25, line 21 skipping to change at page 25, line 21
suggestion by Yimin Shen to create two separate validation procedures suggestion by Yimin Shen to create two separate validation procedures
had a big impact to the contents of this document. had a big impact to the contents of this document.
14. References 14. References
14.1. Normative References 14.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997, DOI 10.17487/RFC2119, March 1997,
<http://www.rfc-editor.org/info/rfc2119>. <https://www.rfc-editor.org/info/rfc2119>.
[RFC7537] Decraene, B., Akiya, N., Pignataro, C., Andersson, L., and [RFC7537] Decraene, B., Akiya, N., Pignataro, C., Andersson, L., and
S. Aldrin, "IANA Registries for LSP Ping Code Points", S. Aldrin, "IANA Registries for LSP Ping Code Points",
RFC 7537, DOI 10.17487/RFC7537, May 2015, RFC 7537, DOI 10.17487/RFC7537, May 2015,
<http://www.rfc-editor.org/info/rfc7537>. <https://www.rfc-editor.org/info/rfc7537>.
[RFC8029] Kompella, K., Swallow, G., Pignataro, C., Ed., Kumar, N., [RFC8029] Kompella, K., Swallow, G., Pignataro, C., Ed., Kumar, N.,
Aldrin, S., and M. Chen, "Detecting Multiprotocol Label Aldrin, S., and M. Chen, "Detecting Multiprotocol Label
Switched (MPLS) Data-Plane Failures", RFC 8029, Switched (MPLS) Data-Plane Failures", RFC 8029,
DOI 10.17487/RFC8029, March 2017, DOI 10.17487/RFC8029, March 2017,
<http://www.rfc-editor.org/info/rfc8029>. <https://www.rfc-editor.org/info/rfc8029>.
14.2. Informative References 14.2. Informative References
[IANA-MPLS-LSP-PING] [IANA-MPLS-LSP-PING]
IANA, "Multi-Protocol Label Switching (MPLS) Label IANA, "Multi-Protocol Label Switching (MPLS) Label
Switched Paths (LSPs) Ping Parameters", Switched Paths (LSPs) Ping Parameters",
<http://www.iana.org/assignments/mpls-lsp-ping-parameters/ <http://www.iana.org/assignments/mpls-lsp-ping-parameters/
mpls-lsp-ping-parameters.xhtml>. mpls-lsp-ping-parameters.xhtml>.
[IEEE802.1AX] [IEEE802.1AX]
IEEE Std. 802.1AX, "IEEE Standard for Local and IEEE Std. 802.1AX, "IEEE Standard for Local and
metropolitan area networks - Link Aggregation", November metropolitan area networks - Link Aggregation", November
2008. 2008.
[RFC5226] Narten, T. and H. Alvestrand, "Guidelines for Writing an [RFC5226] Narten, T. and H. Alvestrand, "Guidelines for Writing an
IANA Considerations Section in RFCs", BCP 26, RFC 5226, IANA Considerations Section in RFCs", RFC 5226,
DOI 10.17487/RFC5226, May 2008, DOI 10.17487/RFC5226, May 2008,
<http://www.rfc-editor.org/info/rfc5226>. <https://www.rfc-editor.org/info/rfc5226>.
[RFC7439] George, W., Ed. and C. Pignataro, Ed., "Gap Analysis for [RFC7439] George, W., Ed. and C. Pignataro, Ed., "Gap Analysis for
Operating IPv6-Only MPLS Networks", RFC 7439, Operating IPv6-Only MPLS Networks", RFC 7439,
DOI 10.17487/RFC7439, January 2015, DOI 10.17487/RFC7439, January 2015,
<http://www.rfc-editor.org/info/rfc7439>. <https://www.rfc-editor.org/info/rfc7439>.
Appendix A. LAG with L2 Switch Issues Appendix A. LAG with L2 Switch Issues
Several flavors of "LAG with L2 switch" provisioning models are Several flavors of "LAG with L2 switch" provisioning models are
described in this section, with MPLS data plane ECMP traversal described in this section, with MPLS data plane ECMP traversal
validation issues with each. validation issues with each.
A.1. Equal Numbers of LAG Members A.1. Equal Numbers of LAG Members
R1 ==== S1 ==== R2 R1 ==== S1 ==== R2
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