A.Discarding B.Disabled C.Blocking D.Listening E.Learning F.Forwarding
A.不收發(fā)任何報文 B.不接收或轉發(fā)數(shù)據(jù),接收但不發(fā)送BPDU,不進行地址學習 C.不接收或轉發(fā)數(shù)據(jù),接收并發(fā)送BPDU,不進行地址學習 D.不接收或轉發(fā)數(shù)據(jù),接收并發(fā)送BPDU,開始地址學習 E.接收或轉發(fā)數(shù)據(jù),接收并發(fā)送BPDU,開始地址學習
A.Disabled,Learning B.Listening,Learning C.Learning,Listening D.Listening,Disabled