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Status:

PROPOSED STANDARD

Updates:

RFC 2328,RFC 5340

Authors:

Y. Yang
A. Retana
A. Roy

Stream:

IETF

Source:

ospf (rtg)

Cite this RFC:TXT  | XML  |  BibTeX

DOI:  https://doi.org/10.17487/RFC6860

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Abstract

A transit-only network is defined as a network connecting routersonly. In OSPF, transit-only networks are usually configured withroutable IP addresses, which are advertised in Link StateAdvertisements (LSAs) but are not needed for data traffic. In addition,remote attacks can be launched against routers by sending packets tothese transit-only networks. This document presents a mechanism tohide transit-only networks to speed up network convergence and reducevulnerability to remote attacks.

In the context of this document, 'hiding' implies that the prefixesare not installed in the routing tables on OSPF routers. In somecases, IP addresses may still be visible when using OSPFv2.

This document updates RFCs 2328 and 5340. [STANDARDS-TRACK]

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.