Password Recovery for Juniper EX Series Switches

• See Juniper Knowledge Base: https://kb.juniper.net/InfoCenter/index?page=content&id=KB14102

For the impatient:

• Connect to the switche's console and power-cycle the switch
• Hit [SPACE] immediately when this message appears

  Hit [Enter] to boot immediately, or space bar for command prompt.
  Booting [kernel] in 1 second...

• At the loader> prompte, type boot -s
• At the next prompt, type recovery
• At the next prompt, enter config mode by typing configure
• Now, set root password to Cisco123 through the following command:

  set system root-authentication plain-text-password

• Save changes by typing commit
• Exit config mode and operational mode by issueing the exit command twice
• Confirm reboot with y

Info:

• This procedure might also work for MX series routers (e.g. MX104)
• If you get a message saiyng that the file system is corrupt/damaged, load a shell with the shell command and repair the file system with the fsck command. Answer all questions with y.