I think these configs should be exclusive each other because they are working based on different policy.
mls qos trust is just simply trust the value of the packet like dscp.
and mls qos vlan__based is working based on the policy map which is accompanied to the vlan interface.
so if they can be configred on the one interface at the same time, we wouldn't be able to know which policy does one packet use.
anyone comments? if not clear, please let me know. i will add some comments.
I believe you are correct. The command mls qos trust defines where your trust boundary should be. Now classification and marking can either be per-port or per-vlan. Setting trust boundaries and classification and marking ar separate concepts.
thanks a lot!!!!!