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Status: Verified (1)

RFC6860, "Hiding Transit-Only Networks in OSPF", January 2013

Source of RFC: ospf (rtg)

Errata ID: 3977

Status: Verified
Type: Technical

Reported By: Peter Paluch
Date Reported: 2014-04-28
Verifier Name: Alia Atlas
Date Verified: 2014-05-12

Section 3 says:

   To hide a transit-only network in [OSPFv3], the IPv6 address prefixes
   are omitted from the router-LSA.  Consequently, when a Designated
   Router builds an intra-area-prefix-LSA referencing a network-LSA,
   these IPv6 address prefixes will be omitted.

It should say:

   To hide a transit-only network in [OSPFv3], the associated IPv6
   address prefixes MUST be omitted from the link-LSA. Consequently,
   when a Designated Router builds an intra-area-prefix-LSA referencing
   a network-LSA, these IPv6 address prefixes will be omitted.

Notes:

The change essentially reverts the paragraph back to the formulation from http://tools.ietf.org/html/draft-ietf-ospf-prefix-hiding-05#section-3 . Most importantly, the term "router-LSA" is replaced with "link-LSA", as there are already no prefixes carried in OSFPv3 router-LSA whatsoever, and the removal of transit-network prefixes influences link-LSAs and intra-area-prefix-LSAs. Also, the change reintroduces the keyword "MUST" that underlines the behavior that is crucial to the proper implementation of the feature.


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