默认接口是关闭，需要启动
[*CE1]display interface brief
PHY: Physical
*down: administratively down
^down: standby
(l): loopback
(s): spoofing
(b): BFD down
(e): ETHOAM down
(d): Dampening Suppressed
(p): port alarm down
(dl): DLDP down
(c): CFM down
InUti/OutUti: input utility rate/output utility rate
Interface PHY Protocol InUti OutUti inErrors outErrors
GE1/0/0 *down down 0% 0% 0 0
GE1/0/1 *down down 0% 0% 0 0
GE1/0/2 *down down 0% 0% 0 0
GE1/0/3 *down down 0% 0% 0 0
GE1/0/4 *down down 0% 0% 0 0
GE1/0/5 *down down 0% 0% 0 0
GE1/0/6 *down down 0% 0% 0 0
GE1/0/7 *down down 0% 0% 0 0
GE1/0/8 *down down 0% 0% 0 0
GE1/0/9 *down down 0% 0% 0 0
MEth0/0/0 up down 0% 0% 0 0
NULL0 up up(s) 0% 0% 0 0
[*CE1]
[*CE1]int ge 1/0/0
[*CE1-GE1/0/0]undo shutdown
[*CE1-GE1/0/0]commit
[~CE1-GE1/0/0]quit
命令编写完成，需要提交，否则不生效
[*CE1-GE1/0/0]undo shutdown
[*CE1-GE1/0/0]commit
端口默认为二层，无法配置IP
[~CE1-GE1/0/0]undo portswitch
[*CE1-GE1/0/0]ip add 12.1.1.1 255.255.255.0
[*CE1-GE1/0/0]commit
[~CE1-GE1/0/0]display this
#
interface GE1/0/0
undo portswitch
undo shutdown
ip address 12.1.1.1 255.255.255.0
#
return
[~CE1-GE1/0/0]
