When Is A Trunk Not A Trunk?
Very good article here - http://networkingnerd.net/2011/02/02/when-is-a-trunk-not-a-trunk/
Particuly like setting of Native vLAN and tagged networks over an HP trunk;
So, if HP refers to an uplink carrying multiple VLANs are a tagged port, then does HP have a “trunk”? In fact they do. In HPvania, a trunk is a logical construct that aggregates multiple ports into one logical link. For those of you that might be out there scratching your heads about this one, this means that when you “trunk” a group of ports on an HP switch, you are creating one LACP link from up to four individual ports. This kind of configuration should look like this: