Cisco Systems 1900 Series Manual De Usuario

The following example shows how to configure virtual terminal lines with a password:

!

line vty 0 4 

 password guessagain 

 login 

!

After you configure the vty lines, follow these steps:

(Optional) To encrypt the virtual terminal line password, see the “Configuring Passwords and 
Privileges” chapter in the Cisco IOS Security Configuration Guide. Also see the 

 tech note.

(Optional) To secure the VTY lines with an access list, see the “Part 3: Traffic Filtering and 
Firewalls” in the Cisco IOS Security Configuration Guide.

This section describes how to enter line configuration mode for the auxiliary line. How you configure 
the auxiliary line depends on your particular implementation of the auxiliary port. See the following 
documents for information on configuring the auxiliary line:

 password

Router(config-line)# password guessagain

Specifies a password on a line.

Router(config-line)# login

Enables password checking at login.

Router(config-line)# end

Returns to privileged EXEC mode.

Router# show running-config

Displays the running configuration file.

Verify that you properly configured the virtual terminal 
lines for remote access.

From another network device, attempt to open a Telnet 
session to the router.

Router# 172.16.74.3

Password:

Verifies that you can remotely access the router and that the 
virtual terminal line password is correctly configured.