CCNA 2 SRWE Final PT Skills Assessment (PTSA)

Router Commands

enable

Enters privileged EXEC (enable) mode for advanced configuration and viewing

configure terminal

Enters global configuration mode to make device-wide changes

service password-encryption

Encrypts all plaintext passwords in the configuration file

security passwords min-length [MIN_LENGTH]

Sets the minimum character length for all passwords

hostname [HOSTNAME]

Sets the device's hostname

enable secret [ENABLE_SECRET]

Sets the encrypted password for privileged EXEC mode

ip dhcp excluded-address [START_IP] [END_IP]

Excludes a range of IP addresses from being assigned by DHCP

ip dhcp pool [POOL_NAME]

Creates a DHCP pool and enters DHCP configuration mode

network [NETWORK] [SUBNET_MASK]

(DHCP) Defines the network range for the DHCP pool

default-router [DEFAULT_ROUTER_IP]

(DHCP) Specifies the default gateway for DHCP clients

domain-name [DOMAIN_NAME]

(DHCP) Sets the domain name provided to DHCP clients

exit

Exits current configuration mode and returns to previous mode

ipv6 unicast-routing

Enables IPv6 packet forwarding between interfaces

username [USERNAME] secret [USER_SECRET]

Creates a local user account with encrypted password

ip ssh version 2

Forces the use of SSH version 2 for enhanced security

no ip domain-lookup

Disables DNS lookup for mistyped commands

ip domain-name [DOMAIN_NAME]

Sets the domain name used for SSL certificates and SSH key generation

interface Loopback[LOOPBACK_NUMBER]

Creates and enters loopback interface configuration

description [DESCRIPTION]

Adds a description to an interface for documentation

ip address [IP_ADDRESS] [SUBNET_MASK]

Assigns an IPv4 address and subnet mask to an interface

ipv6 address [LINK_LOCAL_IPV6] link-local

Configures a link-local IPv6 address on an interface

ipv6 address [GLOBAL_IPV6]

Assigns a global unicast IPv6 address to an interface

interface [PHYSICAL_INTERFACE]

Enters configuration mode for a physical interface

no ip address

Removes any IP address configuration from an interface

duplex auto

Sets the interface to auto-negotiate duplex mode

speed auto

Sets the interface to auto-negotiate speed

no shutdown

Administratively enables (turns on) an interface

interface [PHYSICAL_INTERFACE].[SUBINT_NUMBER]

Creates and enters subinterface configuration

encapsulation dot1Q [VLAN_ID]

Configures 802.1Q trunking for a subinterface with specified VLAN

encapsulation dot1Q [VLAN_ID] native

Configures the native (untagged) VLAN for a trunk subinterface

ip route 0.0.0.0 0.0.0.0 [NEXT_HOP]

Creates a default IPv4 static route

ipv6 route ::/0 [NEXT_HOP]

Creates a default IPv6 static route

banner motd [DELIMITER] [BANNER_TEXT] [DELIMITER]

Creates a Message of the Day banner shown to all users

line con 0

Enters configuration mode for the console port

password [CONSOLE_PASSWORD]

Sets the password for console access

login

Enables password checking for the line

line vty [FIRST_LINE] [LAST_LINE]

Enters configuration mode for virtual terminal (Telnet/SSH) lines

login local

Enables authentication using locally configured usernames

transport input ssh

Restricts VTY access to SSH only (disables Telnet)

end

Exits all configuration modes and returns to privileged EXEC mode