Re: [rbridge] draft-eastlake-trill-00

Hi Jeff,

That's draft-eastlake-isis-trill-00 but otherwise, you are completely
correct. The RESV area used to fill two bytes (minus the S and L bits). When
it was reduced to one byte, the length expression was not adjusted.

>
Thanks,
Donald

On Thu, Jun 17, 2010 at 4:02 PM, Jeff Pickering <jeffpick@broadcom.com>wrote:

>  In the text:
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> 2.5 TRILL Neighbor TLV
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>    The TRILL Neighbor TLV is used in TRILL-Hellos (see Section 4.1 <http://tools.ietf.org/html/draft-eastlake-isis-trill-00#section-4.1>
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>    below) in place of the IS Neighbor TLV, as specified in Section <http://tools.ietf.org/html/draft-eastlake-isis-trill-00#section->
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>    4.4.2.1 <http://tools.ietf.org/html/draft-eastlake-isis-trill-00#section-> of [RFCtrill <http://tools.ietf.org/html/draft-eastlake-isis-trill-00#ref-RFCtrill>].  This TLV can occur zero, one, or multiple
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>    times in a TRILL-Hello.  The structure of the TRILL Neighbor TLV is
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>    as follows:
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>    +-+-+-+-+-+-+-+-+
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>    | Type = TNeigh |                  (1 byte)
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>    +-+-+-+-+-+-+-+-+
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>    |   Length      |                  (1 byte)
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>    +-+-+-+-+-+-+-+-+
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>    |S|L|  RESV     |                  (1 byte)
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>    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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>    |                Neighbor RECORDS (1)                           |
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>    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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>    |                   .................                           |
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>    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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>    |                Neighbor RECORDS (N)                           |
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>    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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>    The list of neighbors MUST be ordered by MAC address, considering
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>    each 6-byte MAC address to be an unsigned integer, starting with the
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>    smallest.  The information present for each neighbor is as follows:
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>    +-+-+-+-+-+-+-+-+
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>    |F|  RESV       |                (1 bytes)
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>    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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>    |       MTU                   |  (2 bytes)
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>    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+...+-+-+-+-+-+-+
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>    |   MAC Address                                       | (6 bytes)
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>    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+...+-+-+-+-+-+-+
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>    o  Type: TLV Type, set to TRILL-Neighbor TLV 145 [TBD].
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>    o  Length: 2 + 9*n, where n is the number of neighbor records.
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> Should length be 1+9*n or is the RESV field 2 bytes?
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Jeff
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