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802.1CB protocol compliance #10

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Zhang-Jia opened this issue Feb 10, 2022 · 3 comments
Closed

802.1CB protocol compliance #10

Zhang-Jia opened this issue Feb 10, 2022 · 3 comments

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@Zhang-Jia
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Check whether the 802.1CB function of the LS1028A does not comply with 802.1CB 2017 standards.
As shown in the figure below
e1606dbe68c2225257f1371d99f3bcc
@vladimiroltean
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The hardware doesn't comply to 802.1CB-2017:
Screenshot from 2022-02-10 11-38-20
Screenshot from 2022-02-10 11-34-42
It complies to 802.1CB draft 2.2 (2016):
Screenshot from 2022-02-10 11-35-50
Screenshot from 2022-02-10 11-39-34

The EtherType can be customized, but the length of the tag can't, and the placement of the Reserved field in the 802.1CB-2017 header format makes them incompatible.

@Zhang-Jia
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Thank you for your reply. Can 802.1CB-2017 be configured to remove reserved bits, so as to maintain compatibility with LS1028A.

@vladimiroltean
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No.

@vladimiroltean vladimiroltean mentioned this issue Oct 23, 2022
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@Zhang-Jia @vladimiroltean