.Dis diag 查看详细信息dis version查看软硬件信息dis device manuinfo 查看硬件信息（sn码，网卡地址等）dir查看flash里面的内容Dis log 查看日志dis ike sa查看ikedis ipsec sa查看ipsecreset ipsec sa刷新ipsec sareset ipsec session刷新ipsec sessionreset saved-configuration 清除配置reboot重启dis bri int查看端口开关情况dis device manuinfo查看SN号display transceiver manuinfo interface g1/1/3 查看一个端口光模块的序列号display transceiver manuinfo 查看所以接口光模块的序列号路由器打开tracertip unreachables enableip ttl-expires enableclock datetime 1
