BCMSN Notes -- STP States 2009-05-22 ·3 min readI’ve decided to take on the CCNP certification, so I’m going to wind up with a few posts will be more my own notes than anything. :) A switch port on a 2960 comes up with a default …bcmsnblockingccnpciscoforwardinglearninglisteningspanning-treestatestpswitch