juniper EX交换机密码丢失

michellc

首先请重启设备后重新尝试：请注意是输入boot -s　　When prompted to enter Loader mode hit the bar and you will be
　　sitting at the "loader>" prompt.  Enter the following command:
　　loader> boot -s   
　　Enter full pathname of shell or 'recovery' for root password recovery or
　　RETURN for /bin/sh:
　　然后输入recovery看能否正常恢复。
　　如果以上操作不成功，则需要通过TFTP重新传输JUNOS回退到之前可正常运行的版本：
　　1、Prepare a TFTP server and put the corresponding image in the TFTP root
　　directory
　　Example: The TFTP server has an IP address of 192.168.100.1/24 and the
　　image is jinstall-ex-9.1R2.7-domestic-signed.tgz
　　2、Connect the EX-Series Switch management port to the TFTP server directly
　　or make sure they are in same broadcast domain.
　　3、Connect a terminal to the EX-Series Switch console port and power on the
　　switch (for next steps see log below for example)
　　When you see the "loading /boot/defaults/loader.conf" display hit ENTER
　　Hit [Enter] to boot immediately, or space bar for command prompt.
　　Hit the space bar to enter the manual loader. The loader > prompt
　　displays.
　　(NOTE: There is a 1 second delay for hitting the space bar)
　　(TIPS: you can hit space bar after you see "Loading
　　/boot/defaults/loader.conf" message)
　　4、Set the EX Switch management IP address and netmask.
　　loader> set ipaddr=192.168.100.2
　　loader> set netmask=255.255.255.0
　　loader> set serverip=192.168.100.1
　　5、Issue install command to install JUNOS image by TFTP.
　　loader> install tftp://192.168.100.1/jinstall-ex-9.1R2.7-domestic-signed.tgz

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