Cisco Packet Tracer

Configure Hostname

#In global config mode
hostname <new_name>

Configure User

#In global config mode
username <new_username> password <new_password>

Configure Domain Name

#In global config mode
ip domain-name <DNS_Domain>

Save config to non-volatile memory

#In global config mode
copy running-config startup-config

Configure Banner

#In global config mode
banner motd # <Enter>
<Your message of the day> <Enter>
#

Set password to Privileged mode

#Unencrypted
#In global config mode
enable password <new_password>

#Encrypted
#In global config mode
enable secret <new_password>

Console Authentication

#From global config mode
line con 0
password <new_password>
login
service password-encryption

Synchronous Logging

#From global config mode
line con 0
logging synchronous

Configure Remote Administration

#From global config mode
interface vlan1
ip addr <new_IP> <subnet mask>
no shut

Configure other interfaces

#From global config mode
interface fa1/0
ip add <new_IP> <subnet mask>
no shut

Configure Remote Authentication

#From global config mode
line vty 0 15
password <new_password>
login

Configure Default Gateway

#Feom global config mode
ip default-gateway <default_gateway IP>

Configure SSH Access

#From global config mode
crypto key generate rsa
1024 (in prompt)
ip ssh ver 2

Configure VTY to allow both telnet and ssh

#From global config mode
line vty 0 15
transport input all
password <new_password>