반응형
Summary:
This article describes how to recover a lost or forgotten password for the EX-series Switch.
Problem or Goal:Lost root password for the EX-series Switch.
Solution:Troubleshooting Loss of the Root Password on the EX-series Switch
Problem:
If you forget the root password for the switch, you can use the password recovery procedure to reset the root password.
NOTE: You need physical access to the switch to recover the root password. This is done by direct console access or through a console server to the console port on the EX Switch.
Solution To recover the root password:
commit complete
Problem:
If you forget the root password for the switch, you can use the password recovery procedure to reset the root password.
NOTE: You need physical access to the switch to recover the root password. This is done by direct console access or through a console server to the console port on the EX Switch.
Solution To recover the root password:
- Power off your switch by unplugging the power cord or turning off the power at the wall switch.
- Insert one end of the Ethernet cable into the serial port on the management device and connect the other end to the console port on the back of the switch.
- On the management device, start your asynchronous terminal emulation application (such as Microsoft Windows Hyperterminal) and select the appropriate COM port to use (for example, COM1).
- Configure the port settings as follows:
- Bits per second: 9600
- Data bits: 8
- Parity: None
- Stop bits: 1
- Flow control: None
- Power on your switch by plugging in the power cord or turning on the power atthe wall switch.
- When the following prompt appears, press the Spacebar to access the switch's bootstrap loader command prompt:
Hit [Enter] to boot immediately, or space bar for command prompt.
Booting [kernel] in 1 second...
Booting [kernel] in 1 second...
- At the following prompt, type boot -s to start up the system in single-user mode:
loader> boot -s
- At the following prompt, type recovery to start the root password recovery procedure:
Enter full path name of shell or 'recovery' for root password recovery or RETURN for /bin/sh: recovery
A series of messages describe consistency checks, mounting of filesystems, and initialization and checkout of management services. Then the CLI prompt appears.
- Enter configuration mode in the CLI:
user@switch> cli
- Set the root password. For example:
user@switch# set system root-authentication plain-text-password
- At the following prompt, enter the new root password. For example:
New password: juniper1
Retype new password:
Retype new password:
- At the second prompt, reenter the new root password.
- If you are finished configuring the network, commit the configuration.root@switch# commit
commit complete
- Exit configuration mode in the CLI.
root@switch# exit
- Exit operational mode in the CLI.
root@switch> exit
- At the prompt, enter y to reboot the switch.
Reboot the system? [y/n] y
반응형
'업무이야기 > Network' 카테고리의 다른 글
한드림넷 보안스위치 사용자 알림 설정 (0) | 2012.07.12 |
---|---|
Juniper Virtual Router Basic Configuration (0) | 2012.02.21 |
Brocade FLS624G dhcp 구성 config (Foundry) (0) | 2012.01.25 |
Pumpkin TCPDUMP 사용법 (0) | 2012.01.22 |
Alcatel Xylan OmniSwitch setting (0) | 2012.01.22 |