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网络设备设置/取消console口登陆单独密码
2022-06-29 04:29:00 【林锋Space】
常见数通网络设备(路由、交换)进行开局配置时,必须经过console口进行配置

dis user-interface console 0
Idx Type Tx/Rx Modem Privi ActualPrivi Auth Int
0 CON 0 9600 - 15 - A -
+ : Current UI is active.
F : Current UI is active and work in async mode.
Idx : Absolute index of UIs.
Type : Type and relative index of UIs.
Privi: The privilege of UIs.
ActualPrivi: The actual privilege of user-interface.
Auth : The authentication mode of UIs.
A: Authenticate use AAA.
N: Current UI need not authentication.
P: Authenticate use current UI's password.
Int : The physical location of UIs.一、网络设备配置时连接方式:
1、console
2、vty
vty是指虚拟终端,即Virtual teletype,用于获取对设备的Telnet或SSH访问
抽象的“ 0 – 4 ”表示设备可以同时允许 5 个虚拟连接,可能是 Telnet 或 SSH。在某种程度上,我们可以说 5 (0 – 4) 是路由器或交换机的连接端口,事实上,我们可能有多达 16 个(0 – 15)的连接端口。
[ACCESS-SW]user-interface console?
INTEGER<0-0> console
[ACCESS-SW]user-interface console 0
[ACCESS-SW-ui-console0]dis th
#
user-interface con 0
authentication-mode aaa //认证方式为aaa
user-interface vty 0 4
authentication-mode aaa
protocol inbound all
user-interface vty 16 20
#
return
二、console口密码认证方式:
[ACCESS-SW-ui-console0]authentication-mode ?
aaa AAA authentication, and this authentication mode is recommended
none Login without checking
password Authentication through the password of a user terminal interface
1、aaa
如果用aaa里配置的local-user用户,即选择authentication-mode aaa
2、none
如果不考虑安全因素,不设置console密码,即选择authentication-mode none
3、password
如果设置单独的console口并与aaa不同步,即选择authentication-mode password
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