常見的開機異常有以下2種,通常是由於關機程序錯誤或fireware升級失敗造成
1.
由backup media 開機,會看到以下畫面
****************************************************************************************** **** WARNING: THIS DEVICE HAS BOOTED FROM THE BACKUP JUNOS IMAGE **** ** ** It is possible that the primary copy of JUNOS failed to boot up **** properly, and so this device has booted from the backup copy. **** **** Please re-install JUNOS to recover the primary copy in case **** it has been corrupted. **** ******************************************************************************************解決方式:在 > 提示符號下輸入request system reboot slice alternate media internal解決方式:
重新開機
若重新開機還是進到boot
loader,則進行firmware install動作
插入放有firmware檔案的USB(限定FAT格式)
在loader>下輸入install
file:///junos-xxxxxxx-xxxxxxxxxxxxx.tgz