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IETF · RFC · RFC3627

RFC3627 · Use of /127 Prefix Length Between Routers Considered Harmful

Use of /127 Prefix Length Between Routers Considered Harmful

In some cases, the operational decision may be to use IPv6 /127 prefix lengths, especially on point-to-point links between routers. Under certain situations, this may lead to one router claiming both addresses due to subnet-router anycast being implemented. This document discusses the issue and offers a couple of solutions to the problem; nevertheless, /127 should be avoided between two routers.

Официальная английская аннотация

In some cases, the operational decision may be to use IPv6 /127 prefix lengths, especially on point-to-point links between routers. Under certain situations, this may lead to one router claiming both addresses due to subnet-router anycast being implemented. This document discusses the issue and offers a couple of solutions to the problem; nevertheless, /127 should be avoided between two routers.

Связи документа

obsoleted_by: RFC6547

Официальный источник · 2003-09-01

Полные импортированные сведения карточки
{
  "id": "RFC3627",
  "number": 3627,
  "title_en": "Use of /127 Prefix Length Between Routers Considered Harmful",
  "title_ru": "",
  "summary_ru": "",
  "purpose_ru": "",
  "use_ru": "",
  "full_translation_path": "",
  "full_translation_checked_at": "",
  "full_translation_source_sha256": "",
  "architect_note_ru": "",
  "topics_ru": [],
  "translation_state": "not_prepared",
  "verification_level": "not_prepared",
  "verification_level_ru": "Русская выжимка не подготовлена",
  "verification_note_ru": "",
  "abstract_en": "In some cases, the operational decision may be to use IPv6 /127 prefix lengths, especially on point-to-point links between routers. Under certain situations, this may lead to one router claiming both addresses due to subnet-router anycast being implemented. This document discusses the issue and offers a couple of solutions to the problem; nevertheless, /127 should be avoided between two routers.",
  "authors": [
    "P. Savola"
  ],
  "organizations": [],
  "publication_date": "2003-09-01",
  "current_status": "HISTORIC",
  "current_status_ru": "Исторический",
  "publication_status": "INFORMATIONAL",
  "publication_status_ru": "Информационный",
  "lifecycle": "superseded",
  "lifecycle_ru": "Заменён",
  "stream": "INDEPENDENT",
  "stream_ru": "Независимый поток",
  "area": "",
  "area_ru": "",
  "working_group": "",
  "source_draft": "draft-savola-ipv6-127-prefixlen-04",
  "page_count": 6,
  "doi": "10.17487/RFC3627",
  "keywords": [
    "address space",
    "anycast"
  ],
  "formats": [
    "TXT",
    "HTML"
  ],
  "relations": {
    "obsoletes": [],
    "obsoleted_by": [
      "RFC6547"
    ],
    "updates": [],
    "updated_by": [],
    "is_also": [],
    "see_also": []
  },
  "links": {
    "info": "https://www.rfc-editor.org/info/rfc3627/",
    "html": "https://www.rfc-editor.org/rfc/rfc3627.html",
    "txt": "https://www.rfc-editor.org/rfc/rfc3627.txt",
    "datatracker": "https://datatracker.ietf.org/doc/rfc3627/"
  }
}