cli
configure
load factory-default

set system root-authentication plain-text-password

show system root-authentication

set system login user lab class super-user authentication plain-text-password

run set date 201702061449.57

set system time-zone Asia/Shanghai

set system host-name SR-650-1
set system name-server 172.17.1.26

set system services web-management http

set interfaces ge-0/0/0 unit 0 family inet address 172.17.1.23/24

set routing-options static route 0.0.0.0/0 next-hop 172.17.1.1

 set system services web-management http interface ge-0/0/0

show interfaces
commit  

show system

reboot