Configuring Virtual Terminal Lines For Remote Console Access - Cisco 2900 series Installation Manual

Performing the Initial Configuration on the Router

Configuring Virtual Terminal Lines for Remote Console Access

Virtual terminal (vty) lines are used to allow remote access to the router. This section shows you how to
configure the virtual terminal lines with a password, so that only authorized users can remotely access
the router.
The router has five virtual terminal lines by default. However, you can create additional virtual terminal
lines as described in the Cisco IOS Terminal Services Configuration Guide, Release 12.4. See the
Configuring Terminal Operating Characteristics for Dial-In Sessions
Line passwords and password encryption is described in the Cisco IOS Security Configuration Guide,
Release 12.4. See the
on Networking Devices
Control Lists: Overview and
SUMMARY STEPS
1.
2.
3.
4.
5.
6.
7.
8.
DETAILED STEPS
Command or Action
Step 1
enable
Example:
Router> enable
Step 2
configure terminal
Example:
Router# configure terminal
Step 3
line vty line-number [ending-line-number]
Example:
Router(config)# line vty 0 4
Cisco 2900 and 3900 Series Hardware Installation
4-18
Security with Passwords, Privilege Levels, and Login Usernames for CLI Sessions
section. If you want to secure the vty lines with an access list, see the
Guidelines. Also see the
enable
configure terminal
line vty line-number [ending-line-number]
password password
login
end
show running-config
From another network device, attempt to open a Telnet session to the router.
Cisco IOS Password Encryption Facts
Purpose
Enables privileged EXEC mode.
Enter your password if prompted.
•
Enters global configuration mode.
Starts the line configuration command collection mode for
the virtual terminal lines (vty) for remote console access.
Make sure that you configure all vty lines on your
•
router.
To verify the number of vty lines on your router, use
Note
the line vty ? command.
Chapter 4 Configuring the Router
section.
Access
tech note.
OL-18712-01