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