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RFC 7959, "Block-Wise Transfers in the Constrained Application Protocol (CoAP)", August 2016

Source of RFC: core (art)

Errata ID: 6083
Status: Held for Document Update
Type: Editorial
Publication Format(s) : TEXT

Reported By: Mohamed Boucadair
Date Reported: 2020-04-09
Held for Document Update by: Barry Leiba
Date Held: 2020-04-10

Section 2.1 says:

       +-----+---+---+---+---+--------+--------+--------+---------+
       | No. | C | U | N | R | Name   | Format | Length | Default |
       +-----+---+---+---+---+--------+--------+--------+---------+
       |  23 | C | U | - | - | Block2 | uint   |    0-3 | (none)  |
       |     |   |   |   |   |        |        |        |         |
       |  27 | C | U | - | - | Block1 | uint   |    0-3 | (none)  |
       +-----+---+---+---+---+--------+--------+--------+---------+

                       Table 1: Block Option Numbers

It should say:

       +-----+---+---+---+---+--------+--------+--------+---------+
       | No. | C | U | N | R | Name   | Format | Length | Default |
       +-----+---+---+---+---+--------+--------+--------+---------+
       |  23 | x | x | - |   | Block2 | uint   |    0-3 | (none)  |
       |     |   |   |   |   |        |        |        |         |
       |  27 | x | x | - |   | Block1 | uint   |    0-3 | (none)  |
       +-----+---+---+---+---+--------+--------+--------+---------+

                       Table 1: Block Option Numbers

Notes:

* This is to align with the conventions in Section 5.10 of RFC7252
* These options are not repeatable as per:

"Either Block option MUST NOT occur more than once in a
single message."

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