What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch? seenagape 11 years ago What is the default spanning-tree mode of an NNI port on a Cisco ME3400 switch? A.multiple spanning tree (mst) B.per-vlan rapid spanning tree (rapid-pvst) C.per-vlan spanning tree (pvst) D.IEEE 802.1D (stp) ← Previous question Next question →