This topic will allow you to create user on a router or switches
Step 1 : Start by creating the user
R1(config)#username tck3 password tck3
or R1(config)#username tck secret tck (Encrypted password)
You can determine user by using this command
R1(config)#username tck3 privilege 4 //(number(0-15))
R1(config)#username tck privilege 14
Step 2 : Use below command
R1(config)#aaa new-model //Enable Authentication,Authrorization and accounting
R1(config)#aaa authentication login default local //Tell the router to use local user database(Step1)
Example :
Switch#show run
.
.
.
aaa new-model
!
aaa authentication login default local
!
username tck privilege 14 secret 5 $1$mERr$saRGHsR7Qg4qMY2CyUUa/.
username tck2 privilege 9 secret 5 $1$mERr$oaAhEl1q/sqoNhjlLaEh00
username tck3 privilege 4 password 0 tck3
!
.
.
.
Ref : http://www.tech-recipes.com/rx/730/create_user_cisco_router/
