Huawei OLTs support trust/remark mechanisms that can inherit (copy) user packet priorities (for example, trusting incoming 802.1p or DSCP to drive forwarding queues) and also support locally configured priorities (policy-based remarking/mapping on the OLT) to enforce service differentiation. Thus, both priority inheritance and local priority configuration are supported, making the statement Right.
[References: HCIP-Access V2.5 – QoS on OLT (Priority Trust and Remark); Huawei OLT QoS Configuration Guide – 802.1p/DSCP Trust, Mapping, and Local Remarking., ]
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