在全局模式下配置enable密码

Switch>en
Switch#configure terminal 
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)#enable ?
 last-resort Define enable action if no TACACS servers respond
 password Assign the privileged level password (MAX of 25 characters)
 secret Assign the privileged level secret (MAX of 25 characters)
 use-tacacs Use TACACS to check enable passwords

Switch(config)#enable

配置enable密码

Switch(config)#enable password cisco

使用show run查看enable密码的配置

!
enable password cisco
!
!
!

保存并查看启动配置

Switch#show startup-config 
startup-config is not present
Switch#wri
Building configuration...
[OK]
Switch#show startup-config

再次登录提示输入enable密码

Switch>
Switch>en
Password: 
Switch#

已设置password再设置secret加密密码，提示建议更换密码

Switch(config)#enable secret cisco
The enable secret you have chosen is the same as your enable password.
This is not recommended. Re-enter the enable secret.

Switch(config)#

查看show run配置

!
enable secret 5 $1$p3Nf$H1f9qXJ4OjS4p6fu447Dd/
enable password cisco
!
!
!

取消enable密码设置仅保留enable加密密码设置

Switch(config)#no enable password 
Switch(config)#exit
Switch#sh run

再次查看show run配置

!
enable secret 5 $1$p3Nf$H1f9qXJ4OjS4p6fu447Dd/
!
!
!