how configuration vlans | display set 可视化看配置
show arp | match 10.10.1. juniper查ARP表
show arp | match irb.2
show virtual-chassis vc-port juniper查看vc接口
show configuration vlans | display set juniper查看vlan配置
show configuration | display set | match ae29 juniper 根据接口查看配置
show system information juniper查看设备型号，软件版本
show system uptime 查看系统运行时间
show chassis routing-engine 查看系统运行时间cpu负载
set access address-assignment pool 10F-VLAN20 family inet excluded-address
dhcp排除某个ip
CR# show | compare 查看做过的命令config
show interfaces diagnostics optics ge-1/0/7 juniper查看接口光衰
show chassis hardware juniper查看序列号
show lldp neighbors 查看LLDP邻居
show chassis alarms 查看机箱告警
show int terse 查看接口状态
show eth table 查看端口及mac地址
show eth table | mach mac 查看mac地址表匹配确定的mac地址