[Technical Errata Reported] RFC7361 (4380)

RFC Errata System <rfc-editor@rfc-editor.org> Fri, 29 May 2015 11:06 UTC

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Subject: [Technical Errata Reported] RFC7361 (4380)
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The following errata report has been submitted for RFC7361,
"LDP Extensions for Optimized MAC Address Withdrawal in a Hierarchical Virtual Private LAN Service (H-VPLS)".

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You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=7361&eid=4380

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Type: Technical
Reported by: rainsword <rainsword.wang@huawei.com>;

Section: 5.2

Original Text
-------------
   At least one of the following sub-TLVs MUST be included in the MAC
   Flush Parameters TLV if the C-flag is set to 1:

   o  PBB B-MAC List Sub-TLV:

      Type: 0x0407

      Length: Value length in octets.  At least one B-MAC address MUST
      be present in the list.

      Value: One or a list of 48-bit B-MAC addresses.  These are the
      source B-MAC addresses associated with the B-VPLS instance that
      originated the MAC withdraw message.  It will be used to identify
      the C-MAC(s) mapped to the B-MAC(s) listed in the sub-TLV.

   o  PBB I-SID List Sub-TLV:

      Type: 0x0408

      Length: Value length in octets.  Zero indicates an empty I-SID
      list.  An empty I-SID list means that the flushing applies to all
      the I-SIDs mapped to the B-VPLS indicated by the FEC TLV.

      Value: One or a list of 24-bit I-SIDs that represent the
      I-component FIB(s) where the MAC flushing needs to take place.

Corrected Text
--------------
   At least one of the following sub-TLVs MUST be included in the MAC
   Flush Parameters TLV if the C-flag is set to 1:

   o  PBB B-MAC List Sub-TLV:

      Type: 0x01
      Length: Value length in octets.  At least one B-MAC address MUST
      be present in the list.

      Value: One or a list of 48-bit B-MAC addresses.  These are the
      source B-MAC addresses associated with the B-VPLS instance that
      originated the MAC withdraw message.  It will be used to identify
      the C-MAC(s) mapped to the B-MAC(s) listed in the sub-TLV.

   o  PBB I-SID List Sub-TLV:

      Type: 0x02
      Length: Value length in octets.  Zero indicates an empty I-SID
      list.  An empty I-SID list means that the flushing applies to all
      the I-SIDs mapped to the B-VPLS indicated by the FEC TLV.

      Value: One or a list of 24-bit I-SIDs that represent the
      I-component FIB(s) where the MAC flushing needs to take place.

Notes
-----
Type definition was error. The PBB B-MAC List Sub-TLV abd I-SID List Sub-TLV are only support for one byte, as defined in section 5.1.1 MAC flush parameters TLV.
This error was imported from draft-ietf-l2vpn-vpls-ldp-mac-opt-12. For this version, it submit the 2 sub-tlv to IANA for alloc id. But the two kinds tlv were sub-tlv, not LDP TLV

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--------------------------------------
RFC7361 (draft-ietf-l2vpn-vpls-ldp-mac-opt-13)
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Title               : LDP Extensions for Optimized MAC Address Withdrawal in a Hierarchical Virtual Private LAN Service (H-VPLS)
Publication Date    : September 2014
Author(s)           : P. Dutta, F. Balus, O. Stokes, G. Calvignac, D. Fedyk
Category            : PROPOSED STANDARD
Source              : Layer 2 Virtual Private Networks
Area                : Routing
Stream              : IETF
Verifying Party     : IESG