Label Switched Path (LSP) and Pseudowire (PW) Ping/Trace over MPLS Networks Using Entropy Labels (ELs)

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Publisher: IETF
Doc Type: Standard
Pages: 23
Abstract: Multiprotocol Label Switching (MPLS) Label Switched Path (LSP) ping and traceroute are methods used to test Equal-Cost Multipath (ECMP) paths. Ping is known as a connectivity-verification method and traceroute is known as a fault-isolation method, as described in RFC 4379. When an LSP is signaled using the Entropy Label (EL) described in RFC 6790, the ability for LSP ping and traceroute operations to discover and exercise ECMP paths is lost for scenarios where Label Switching Routers (LSRs) apply different load-balancing techniques. One such scenario is when some LSRs apply EL-based load balancing while other LSRs apply load balancing that is not EL based (e.g., IP). Another scenario is when an EL-based LSP is stitched with another LSP that can be EL based or not EL based. This document extends the MPLS LSP ping and traceroute multipath mechanisms in RFC 6424 to allow the ability of exercising LSPs that make use of the EL. This document updates RFC 6790.
Publication Date: 2016-11-01
Status Note: Proposed Standard
DOI: 10.17487/RFC8012
Link: https://doi.org/10.17487/RFC8012
Author(s): Nobo Akiya
George Swallow
Carlos Pignataro
Andrew G. Malis
Sam Aldrin
Keyword(s): MPLS, LSP Ping, Entropy

Latest version of IETF RFC 8012

Document Versions — IETF RFC 8012

▶ IETF RFC 8012 (2016-11-01)

THIS DOC [ACTIVE] [LATEST VERSION]

Normative Reference(s)

IETF RFC 2119 [Active*]
IETF RFC 4379 [Superseded*]
IETF RFC 6424 [Superseded*]
IETF RFC 6790 [Active*]
IETF RFC 7537 [Superseded*]

Bibliographic Reference(s)

IANA, "Multi-Protocol Label Switching (MPLS) Label Switched Paths (LSPs) Ping Parameters", < http://www.iana.org/assignments/mpls-lsp-ping-parameters >. EXTERNAL
RFC6391 — RFC6391 EXTERNAL
RFC7325 — RFC7325 EXTERNAL

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IETF RFC 8012, Label Switched Path (LSP) and Pseudowire (PW) Ping/Trace over MPLS Networks Using Entropy Labels (ELs). Available at https://doi.org/10.17487/RFC8012

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IETF RFC 8012, Label Switched Path (LSP) and Pseudowire (PW) Ping/Trace over MPLS Networks Using Entropy Labels (ELs). Available at https://doi.org/10.17487/RFC8012

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IETF RFC 8012, Label Switched Path (LSP) and Pseudowire (PW) Ping/Trace over MPLS Networks Using Entropy Labels (ELs). Available at https://doi.org/10.17487/RFC8012

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<span class="citation"><cite>IETF RFC 8012</cite>, Label Switched Path (LSP) and Pseudowire (PW) Ping/Trace over MPLS Networks Using Entropy Labels (ELs). Available at <a href="https://doi.org/10.17487/RFC8012" target="_blank" rel="noopener">https://doi.org/10.17487/RFC8012</a></span>

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IETF RFC 8012, Label Switched Path (LSP) and Pseudowire (PW) Ping/Trace over MPLS Networks Using Entropy Labels (ELs)
doi: 10.17487/RFC8012
url: https://doi.org/10.17487/RFC8012

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<cite id="bib-rfc8012">IETF RFC 8012</cite>, Label Switched Path (LSP) and Pseudowire (PW) Ping/Trace over MPLS Networks Using Entropy Labels (ELs)
<span class="doi">10.17487/RFC8012</span>
</li>

Referenced By

IETF RFC 8029 [Active*]