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RFC 4577, "OSPF as the Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs)", June 2006

Source of RFC: l3vpn (int)

Errata ID: 53
Status: Held for Document Update
Type: Editorial
Publication Format(s) : TEXT

Reported By: Alfred Hoenes
Date Reported: 2006-08-12
Held for Document Update by: Ralph Droms
Date Held: 2013-03-12

 

(2)  [orphaned inter-section references]

Section 4.2.4 of RFC 4577 contains three (3) distinct references
to itself.  This cannot have been intended.

Within Section 4.2.2, the last two paragraphs on page 11 say:

                                                           vvvvv
   A Domain Identifier is an eight-byte quantity that is a valid BGP
|  Extended Communities attribute, as specified in Section 4.2.4.  If a
   particular OSPF instance has a non-NULL Domain Identifier, when
   routes from that OSPF instance are distributed by BGP as VPN-IPv4
   routes, the routes MUST carry the Domain Identifier Extended
   Communities attribute that corresponds to the OSPF instance's Primary
   Domain Identifier.  If the OSPF instance's Domain Identifier is NULL,
   the Domain Identifier Extended Communities attribute MAY be omitted
   when routes from that OSPF instance are distributed by BGP;
   alternatively, a value of the Domain Identifier Extended Communities
|  attribute that represents NULL (see Section 4.2.4) MAY be carried
   with the route.
                                               ^^^^^
   If the OSPF instances of an OSPF domain are given one or more non-
   NULL Domain Identifiers, this procedure allows us to determine
   whether a particular OSPF-originated VPN-IPv4 route belongs to the
   same domain as a given OSPF instance.  We can then determine whether
   the route should be redistributed to that OSPF instance as an inter-
   area route or as an OSPF AS-external route.  Details can be found in
|  Sections 4.2.4 and 4.2.8.1.
            ^^^^^

I am not sure what really was intended to say.  Perhaps, the
second instance of "4.2.4" should be replaced by "4.2.6".

Please check and supply corrected text.


Notes:

The references to section 4.2.4 should be changed to 4.2.6

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