what am i doing wrong? i can not get the vlans to go over my fiber port channel.the no commands are what i want, and i have read should work. the rest is current running.  WS-C3750E-48PD, 15.2(4)E10 (UNIVERSALK9)!spanning-tree mode pvstspanning-tree ...

i have 3 c3750e-pd-sf switches. they talk very well to each other, and to printers, or desktops, ... but they refuse to talk to any unmanaged, or non cisco switches (trendnet tegs24tg, netgear fs726tp, trendnet green gb8pt), or my routers (tp-link ac...