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User Manual

Chapter 1. Commands for Basic Switch Configuration 26

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failed, it will attempt the next authentication method); it will attempt the next

authentication method if it receives nothing. And AAA function RADIUS server should

be configured before the RADIUS configuration method can be used. And TACACS

server should be configured before the TACACS configuration method can be used.

 The authentication line console login command is exclusive with the “login” command.

The authentication line console login command configures the switch to use the

Console login method. And the login command makes the Console login to use the

passwords configured by the password command for authentication.

 If local authentication is configured while no local users are configured, users will be

able to login the switch via the Console method.

 Example: Configure the telnet and ssh login with the remote RADIUS authentication.

 Switch(config)#authentication line vty login radius

 Relative Command: aaa enable，radius-server authentication host，tacacs-server

authentication host，tacacs-server key

1.2.8 authentication securityip

 Command: authentication securityip <ip-addr>

 no authentication securityip <ip-addr>

 Function: To configure the trusted IP address for Telnet and HTTP login method. The no

form of this command will remove the trusted IP address configuration.

 Parameters: <ip-addr> is the trusted IP address of the client in dotted decimal format

which can login the switch.

 Default: No trusted IP address is configured by default.

 Command Mode: Global Mode.

 Usage Guide: IP address of the client which can login the switch is not restricted before

the trusted IP address is not configured. After the trusted IP address is configured, only

clients with trusted IP addresses are able to login the switch. Up to 32 trusted IP

addresses can be configured in the switch.

 Example: To configure 192.168.1.21 as the trusted IP address.

 Switch(config)# authentication securityip 192.168.1.21

1.2.9 authentication securityipv6

 Command: authentication securityipv6 <ipv6-addr>

 no authentication securityipv6 <ipv6-addr>

 Function: To configure the security IPv6 address for Telnet and HTTP login method. The

no form of this command will remove the specified configuration.

 Parameters: <ipv6-addr> is the security IPv6 address which can login the switch.

 Default: No security IPv6 addresses are configured by default.

 Command Mode: Global Mode.

 Usage Guide: IPv6 address of the client which can login the switch is not restricted

before the security IPv6 address is not configured. After the security IPv6 address is