Re: [Technical Errata Reported] RFC8469 (6082)

I think it was my fault

I am so used to IP having the SA first that I forgot that Ethernet has the DA first. Of course the DA first is more logical.

Stewart

> On 9 Apr 2020, at 22:50, Andrew G. Malis <[email protected]> wrote:
> 
> Giles,
> 
> Thanks, I've confirmed this as well. And many thanks for taking the blame! :-)
> 
> Since it doesn't affect the recommendations in the RFC, my advice to Deborah is to mark this "Hold for document update".
> 
> Stay healthy,
> Andy
> 
> 
> On Thu, Apr 9, 2020 at 11:24 AM Giles Heron <[email protected] <mailto:[email protected]>> wrote:
> Yes - I think that's correct.
> 
> And I must confess the source of the issue is probably section 4.6 of RFC4448 so this one is probably my fault rather than that of the RFC8469 authors (or maybe I should just blame Luca!)
> 
> Giles
> 
> > On 9 Apr 2020, at 15:28, RFC Errata System <[email protected] <mailto:[email protected]>> wrote:
> > 
> > The following errata report has been submitted for RFC8469,
> > "Recommendation to Use the Ethernet Control Word".
> > 
> > --------------------------------------
> > You may review the report below and at:
> > https://www.rfc-editor.org/errata/eid6082 <https://www.rfc-editor.org/errata/eid6082>
> > 
> > --------------------------------------
> > Type: Technical
> > Reported by: Michal Dolegowski <[email protected] <mailto:[email protected]>>
> > 
> > Section: 3
> > 
> > Original Text
> > -------------
> > Thus, if the source MAC address of an Ethernet frame carried over
> > the PW without a control word present begins with 0x4 or 0x6, it
> > could be mistaken for an IPv4 or IPv6 packet.  This could,
> > depending on the configuration and topology of the MPLS network,
> > lead to a situation where all packets for a given PW do not follow
> > the same path.
> > 
> > Corrected Text
> > --------------
> > Thus, if the destination MAC address of an Ethernet frame carried over
> > the PW without a control word present begins with 0x4 or 0x6, it
> > could be mistaken for an IPv4 or IPv6 packet.  This could,
> > depending on the configuration and topology of the MPLS network,
> > lead to a situation where all packets for a given PW do not follow
> > the same path.
> > 
> > Notes
> > -----
> > The first nibble of an Ethernet frame is the first nibble of the destination MAC address, not the source MAC address.  The erroneous packet reordering occurs for traffic traveling toward the device with the 0x4... or 0x6... MAC address
> > 
> > Instructions:
> > -------------
> > This erratum is currently posted as "Reported". If necessary, please
> > use "Reply All" to discuss whether it should be verified or
> > rejected. When a decision is reached, the verifying party  
> > can log in to change the status and edit the report, if necessary. 
> > 
> > --------------------------------------
> > RFC8469 (draft-ietf-pals-ethernet-cw-07)
> > --------------------------------------
> > Title               : Recommendation to Use the Ethernet Control Word
> > Publication Date    : November 2018
> > Author(s)           : S. Bryant, A. Malis, I. Bagdonas
> > Category            : PROPOSED STANDARD
> > Source              : Pseudowire And LDP-enabled Services
> > Area                : Routing
> > Stream              : IETF
> > Verifying Party     : IESG
> > 
> > _______________________________________________
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> > [email protected] <mailto:[email protected]>
> > https://www.ietf.org/mailman/listinfo/pals <https://www.ietf.org/mailman/listinfo/pals>
>

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