Cisco Systems XR manual Defines a method list for authentication, Adds a user to a group, SR-98

Authentication, Authorization, and Accounting Commands on Cisco IOS XR Software

username

From global configuration mode, you can display all the configured usernames. However, you cannot display all the configured usernames in username configuration mode.

Each user is identified by a username that is unique across the administrative domain. Each user should be made a member of at least one user group. Deleting a user group may orphan the users associated with that group. The AAA server authenticates orphaned users but most commands are not authorized.

If you want to require a username and password on the console or for Telnet sessions, configure authentication using both the aaa authentication login default local command and the username command.

The predefined group root-system may be specified only by root-system users while administration is configured.

Note To enable the local networking device to respond to remote CHAP challenges, one username command entry must be the same as the hostname entry that has already been assigned to the other networking device.

Task ID

Examples

Task ID	Operations
aaa	read, write

The following example shows how to establish the unencrypted password password1 for the user user1:

RP/0/RP0/CPU0:router# configure

RP/0/RP0/CPU0:router(config)# username user1

RP/0/RP0/CPU0:router(config-un)# password 0 password1

Related Commands	Command	Description
	aaa authentication	Defines a method list for authentication.
	group	Adds a user to a group.
	password (AAA)	Creates a login password for a user.

Cisco IOS XR System Security Command Reference

SR-98