A.E1J1 B.XSJ2 C.XCUJ1 D.XCUJ2
A.show interface vlan xxxx B.show vlan xxxx C.show vlan interfacexxxx D.show vlan
A.該單板被拔了出來(lái)或未插好 B.該槽位所插單板類(lèi)型錯(cuò)誤 C.該板與SCC板郵箱通信中斷 D.子架電源接反