Which spanning-tree enhancement avoids the learning and listening states and immediately places ports in the forwarding state?
A.BPDUfilter B.PortFast C.Backbonefast D.BPDUguard正确答案B
Which spanning-tree enhancement avoids the learning and listening states and immediately places ports in the forwarding state?
A.BPDUfilter B.PortFast C.Backbonefast D.BPDUguard正确答案B