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IETF RFC 6870
[ACTIVE]

Pseudowire Preferential Forwarding Status Bit

Metadata

Publisher
IETF
Doc Type
Standard
Pages
35
Abstract
This document describes a mechanism for signaling the active and standby status of redundant Pseudowires (PWs) between their termination points. A set of Redundant PWs is configured between Provider Edge (PE) nodes in single-segment pseudowire (SS-PW) applications or between Terminating Provider Edge (T-PE) nodes in Multi-Segment Pseudowire (MS-PW) applications. In order for the PE/T-PE nodes to indicate the preferred PW to use for forwarding PW packets to one another, a new status bit is defined. This bit indicates a Preferential Forwarding status with a value of active or standby for each PW in a redundant set. In addition, a second status bit is defined to allow peer PE nodes to coordinate a switchover operation of the PW. Finally, this document updates RFC 4447 by adding details to the handling of the PW status code bits in the PW Status TLV.
Publication Date
2013-02-01
Status Note
Proposed Standard
DOI
10.17487/RFC6870
Link
https://doi.org/10.17487/RFC6870
Author(s)
Praveen Muley
Mustapha Aissaoui
Keyword(s)
PW Redundancy
Latest version of IETF RFC 6870

Document Versions — IETF RFC 6870

  • ▶ IETF RFC 6870 (2013-02-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

Amended by:

Normative Reference(s)

Bibliographic Reference(s)

  • Dutta, P., Balus, F., Calvignac, G., and O. Stokes "LDP Extensions for Optimized MAC Address Withdrawal in H-VPLS", Work in Progress, October 2011. EXTERNAL
  • IETF RFC 3985 [Active*]
  • IETF RFC 4446 [Active*]
  • RFC5085 — RFC5085 EXTERNAL
  • IETF RFC 5659 [Active*]
  • RFC6718 — 8 EXTERNAL
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IETF RFC 6870, Pseudowire Preferential Forwarding Status Bit. Available at https://doi.org/10.17487/RFC6870
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IETF RFC 6870, Pseudowire Preferential Forwarding Status Bit. Available at https://doi.org/10.17487/RFC6870

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IETF RFC 6870, Pseudowire Preferential Forwarding Status Bit. Available at https://doi.org/10.17487/RFC6870
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<span class="citation"><cite>IETF RFC 6870</cite>, Pseudowire Preferential Forwarding Status Bit. Available at <a href="https://doi.org/10.17487/RFC6870" target="_blank" rel="noopener">https://doi.org/10.17487/RFC6870</a></span>

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IETF RFC 6870, Pseudowire Preferential Forwarding Status Bit
doi: 10.17487/RFC6870
url: https://doi.org/10.17487/RFC6870
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<cite id="bib-rfc6870">IETF RFC 6870</cite>, Pseudowire Preferential Forwarding Status Bit
<span class="doi">10.17487/RFC6870</span>
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