Hello,
Personally I'm not familiar with DCB, maybe some other people on the forum are and they will reply.
I can help with an example, which can serve you as a reference:
http://support.huawei.com/hedex/pages/EDOC110002054831180AFU/01/EDOC110002054831180AFU/01/resources/dc/dc_cfg_dcb_0016.html?ft=0&fe=10&hib=9.15.4.11.1&id=dc_cfg_dcb_0016&text=Example%20for%20Configuring%20DCB&docid=EDOC1100020548How to check the negotiation status:
[~SwitchA] display dcb
M:Manual; A:Auto
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Interface PFC Name PFC Status ETS Name ETS Status App-Profile
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10GE1/0/1 default ENABLE(A) ets1 SUCCEED -
10GE1/0/2 default ENABLE(A) ets1 SUCCEED -
10GE1/0/3 default ENABLE(A) - - -
-------------------------------------------------------------------------------
Also, feel free to get in touch with TAC:
http://e.huawei.com/en/service-hotline-query