sys进入视图模式
输入:dis cu int
查看接口名称。不是所有的都是G和E
开启25---28四个光口
system
interface G1/0/25
undo shut
interface G1/0/26
undo shut
interface G1/0/27
undo shut
interface G1/0/28
undo shut
save
sys进入视图模式
输入:dis cu int
查看接口名称。不是所有的都是G和E
开启25---28四个光口
system
interface G1/0/25
undo shut
interface G1/0/26
undo shut
interface G1/0/27
undo shut
interface G1/0/28
undo shut
save