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简体中文
如何从 Dell EMC Networking OS9 交换机上的 GRUB 中恢复忘记密码
Table of Contents
Detailed Article
Instructions
Affected Products
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Summary:
戴尔交换机上的恢复密码, 在 dell Force10 交换机上恢复密码
Detailed Article
Instructions
Affected Products
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Instructions
本文介绍如何使用 GRUB 在 FTOS 交换机上恢复忘记的用户名和密码或启用密码
警告:密码恢复需要重新启动交换机
输入 GRUB 和 FTOS 启动提示符
1.打开交换机的串行控制台会话
2.关闭再打开交换机
3.看到以下提示后,按
Esc
键...
“
Press Esc to stop autoboot”
(按 Esc 停止自动启动)
现在,您将看到多个启动选项。使用 ^ 和 v 键选中
FTOS-Boot Line Interface
(FTOS 启动行界面),然后按
Enter
。您将看不到
BOOT_USER #
提示
密码恢复
在 U 启动提示符中,执行以下步骤以从忘记的密码恢复。
输入以下命令以忽略启动配置
BOOT_USER#
ignore startup-config
BOOT_USER#
reload
启动交换机后,将启动配置应用到正在运行的配置
Dell>
enable
Dell#
copy startup-config running-config
启用密码/密钥恢复
以下命令可删除交换机上的任何启用密码或启用密钥
Dell#
config
Dell(config)#
no enable password
Dell(config)#
no enable secret
以下命令向交换机添加启用密钥。对于启用密码,只需将选项“secret”更改为“password”即可。启用密钥使用 MD5 而不是 DES,这是更强的加密。
Dell(config)#
enable secret
用户名和密码恢复
下面的命令将查找所有已配置的用户,并将其删除
Dell(config)#
do show run | grep username
username
Delluser
password 7 66a88a701a5b6b80 privilege 15
Dell(config)#
no username Delluser
以下命令通过读写访问创建新用户 "Delluser" 和密码“P@$$w0rd123”
Dell(config)#
username Delluser password P@$$w0rd123 privilege 15
线路控制台恢复
删除控制台的所有身份验证语句(如果需要)。
Dell(conf)#
line console 0
Dell(config-line-console)#
no authentication login no password
Dell(config-line-console)#
do write memory
Dell(config-line-console)#
exit
保存配置
完成后,保存配置并重新启动
交换机
。
Dell(config)#
do write memory
Dell(config)#
do reload
注:
如有必要,请联系戴尔支持,以获得有关重新配置控制台线路身份验证设置的帮助。
Affected Products
PowerSwitch S4048-ON, PowerSwitch S5000, PowerSwitch S6000, PowerSwitch S6000 ON, PowerSwitch S4048T-ON, PowerSwitch S6010-ON, PowerSwitch S6100-ON, PowerSwitch Z9100-ON
Article Properties
Article Number:
000121342
Article Type:
How To
Last Modified:
21 Feb 2021
Version:
4
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Article Properties
Article Number:
000121342
Article Type:
How To
Last Modified:
21 Feb 2021
Version:
4
Find answers to your questions from other Dell users
Visit Community
Support Services
Check if your device is covered by Support Services.
Check Support Status