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Cisco Ios一共提供16种不同的用户权限,级别从0到15。默认情况下只有2中不同级别权限被使用:EXEC(1级权限)和privileged EXEC(15级权限)。
在大型网络环境中,可设置不同级别的权限指定给不同的管理员使用。
1.设置不同的访问权限:
Router(config)# privilege mode [all] {level level | reset} command_string
Eg:
Router(config)#privilege exec level 7 show
2.为不同的权限级别设置密码:
Router(config)# enable secret level level_# password
Eg:
Router(config)#enable secret level 7 cisco
修改默认权限级别:
Router(config-line)# privilege level level
Eg:
Router(config-line)#privilege level 7
Router#
Router#show privilege
Current privilege level is 7
使用不同权限登录:
Router> enable level_#
Eg:
Router>enable 7
Password:
Router#
验证权限级别:
Router#show privilege
Current privilege level is 7
为不同的用户名创建不同级别权限:
Router(config)# username user's_name [privilege #]{secret | password} password Eg:
Router(config)#username lst privilege 7 secret cisco
在访问接口上使用本地认证数据库:
Eg:
Router(config)# line con 0
Router(config-line)# login local------使用login local之前应应确认系统已建立了可供登录的密码和用户名,否则退出路由器后将无法在登录,建议先应建立vty访问权限防止路由器con被锁后无法登录。
Router(config-line)# exit
Router(config)# line aux 0
Router(config-line)# login local
Router(config-line)# exit
Router(config)# line vty 0 4
Router(config-line)# login local
Router(config)#privilege exec level 7 show
Router(config)#username lst1 privilege 7 secret cisco
Username:
Username: lst1
Password:
Router#show privilege
Current privilege level is 7
Router#config ter
^% Invalid input detected at '^' marker.
Router#enable 15
Password:
Router#show privilege
Current privilege level is 15
| Privilege Modes | | Command | Description | | configure | Global configuration mode | | controller | Controller subconfiguration mode | | crypto-map | Crypto map subconfiguration mode, used for VPN configurations | | crypto-transform | Crypto map transform set subconfiguration mode, used for VPN configurations | | exec | EXEC mode | | interface | Interface subconfiguration mode | | interface-dlci | Frame Relay Interface DLCI subconfiguration mode | | ipenacl | IP named extended ACL subconfiguration mode | | ipsnacl | IP named standard ACL subconfiguration mode | | line | Line subconfiguration mode | | map-class | Map class subconfiguration mode | | map-list | Map list subconfiguration mode | | preauth | AAA preauthorization definitions | | route-map | Router map subconfiguration mode | | router | Router subconfiguration mode | | sg-radius | RADIUS server group | | sg-tacacs+ | TACACS+ server group | | subscriber-policy | Subscriber policy subconfiguration mode | | tcl | TCL subconfiguration mode | | template | Template subconfiguration mode | | translation-rule | Translation rule subconfiguration mode | vpdn-group
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