A.上聯(lián)口開(kāi)啟spanning-tree filter B.下聯(lián)口開(kāi)啟spanning-tree filter C.下聯(lián)口開(kāi)啟spanning-tree portfast D.下聯(lián)口開(kāi)啟spanning-tree bpduguard
A.instance必須一致 B.version必須一致 C.name必須一致 D.revision必須一致
A.0 B.200000 C.19 D.4