[nsp] [Fwd: Juniper Router Password Recovery]

From: TARRY James (james.tarry@swift.com)
Date: Thu Dec 20 2001 - 11:33:12 EST


best of luck,
James

ROUTER PASSWORD RECOVERY
----------------------------------------

Please do the following to recover/reset the root
password:

        1. Obtain console access

        2. Power off the system and boot it up in
single user mode.
            This is done by typing "-s" at the boot:
prompt.

        3. Next, the system will do it's normal boot up
process. When prompted
            for "pathname" enter:
/usr/libexec/ui/recovery-mode
            This will run a script for password
recovery.

            Enter pathname of shell or RETURN for sh:
/usr/libexec/ui/recovery-mode

        4. The system will finish booting up and put
you at a "root>" prompt
            as such.

                NOTE: the system
                Starting CLI ...
                 root>

        5. Now you can go into configuration mode and
edit or delete the
            root authentication password.

                root> configure
                Entering configuration mode

                [edit]
                root# delete system root-authentication

                [edit]
                root# commit and-quit
                 commit complete
                Exiting configuration mode

        6. Finally, reboot system.

                root@congo3> request system reboot
                Reboot the system ? [yes,no] (no) yes

========================================

OR.....

If JUNOS management daemon (mgd) version is later than 3.3 running on your
router, follow these steps:

Obtain console access and reboot the router,

Stop boot cycle and boot the router using alternative boot media '-s':
            BOOT @ 0x10000: 639/65535 k of memory, serial/dual console

     Boot default: 0:wd(0,a)kernel

     Usage: bios_drive:interface(unit,partition)kernel_name options

     interface wfd or wd

     unit 0, 1, ...

     partition a, c, ...

     kernel_name name of kernel, or ? for list of files in root directory

     options -c (userconfig) -s (single user) -v (verbose)

     -D (dual consoles) -h (alternate console) -P (probe kbd)

To use the alternate boot media type "1:wd(2,a)kernel"

     boot: -s

At the prompt:
            "Enter pathname of shell or RETURN for sh:"

press Enter

Perform system file check and correct inconsistencies:
# fsck p

            This command should display similar messages to the following:

/dev/rwd0s1a: clean, 21287 free (31 frags, 2657 blocks, 0.0%
fragmentation)

/dev/rwd0s1e: clean, 9233 free (9 frags, 1153 blocks, 0.1% fragmentation)

If you see unrecovered errors after running the fsck command, you can fix
the problem manually. For information, check the fsck options in the man
pages.

Mount the automatic file system and /var manually:
# mount a

# mount /var

Start the management daemon in single user mode:
            # mgd S

Start the CLI:
            # cli

Delete the root-authentication statement from the configuration:
> config

     # delete system root-authentication

     # commit

Exit the CLI:
     # commit

     # exit config

> exit

Reboot the router:
            # reboot

            OR

            Return to multiuser mode by typing control-D

            # ^D



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