[lisp] [Errata Verified] RFC7052 (4256)

RFC Errata System <rfc-editor@rfc-editor.org> Mon, 14 September 2015 12:24 UTC

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Subject: [lisp] [Errata Verified] RFC7052 (4256)
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The following errata report has been verified for RFC7052,
"Locator/ID Separation Protocol (LISP) MIB". 

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You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=7052&eid=4256

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Status: Verified
Type: Technical

Reported by: Isidor Kouvelas <kouvelas@cisco.com>
Date Reported: 2015-02-04
Verified by: Brian Haberman (IESG)

Section: 7

Original Text
-------------
    REFERENCE
        "RFC 6830, Section 14.2 and
         LISP Canonical Address Format (LCAF), Work in Progress,
         March 2013."
    SYNTAX OCTET STRING (SIZE (5..39))


Corrected Text
--------------
    REFERENCE
        "RFC 6830, Section 14.2 and
         LISP Canonical Address Format (LCAF), Work in Progress,
         March 2013."
    SYNTAX OCTET STRING (SIZE (0..39))


Notes
-----
The minimum octet string length of 5 specified for the LispAddressType is incorrect. The smallest non-empty address is an IPv4 address that is not using the LCAF format to include an instance ID. This requires 8 octets (see example 1 above keeping in mind that the AFI requires 2 octets). However, in many places in the MIB definition the LispAddressType is used as the type for attributes where “unspecified” is a valid return. For example in lispEidRegistrationLastRegisterSender, an EID prefix that is configured on a Map-Server may not have any active registrations. To encode the absence of an address the minimum length of zero should be allowed.

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RFC7052 (draft-ietf-lisp-mib-13)
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Title               : Locator/ID Separation Protocol (LISP) MIB
Publication Date    : October 2013
Author(s)           : G. Schudel, A. Jain, V. Moreno
Category            : EXPERIMENTAL
Source              : Locator/ID Separation Protocol INT
Area                : Internet
Stream              : IETF
Verifying Party     : IESG