Commands

A list of A-Z Cisco IOS configuration commands.

A

access-enable – Create a temporary Access-List entry

access-template – Create a temporary Access-List entry

archive – manage archive files

B

Backspace – Deletes a single character

C

cd – change current directory

clear – Reset functions

clocks – manage the system clock

cns – CNS agents

Configure – Enter configuration mode

configure terminal – command to gain entry to global configuration mode

Connect – Open a terminal connection

Copy – copy from one file to another

copy running-config show-config – saves the running configuration into show configuration and must be used in Privileged                                                                     EXEC

Ctrl+A – Moves the cursor to the beginning of the line.

Ctrl+B – Moves back on character.

Ctrl+D – Deletes a single character

Ctrl+E – Moves the cursor to the end of the line.

Ctrl+F -Moves forward one character.

Ctrl+N or down arrow – Shows previous command entered

Ctrl+P or up arrow – Shows last command entered

Ctrl+R – Redisplays a line.

Ctrl+U – Erases a line

Ctrl+W – Erases a word

Ctrl+Z -Ends configuration mode and returns to EXEC

D

debug – debugging functions

delete – Delete a file

delete VLAN.dat – used before the erase command to ensure that the IOS isn’t erased.

description – command to descripe

diagnostic – diagnostic commands

dir – List files on a filesystem

disable – command used to exit Privileged EXEC and enter User EXEC

disconnect – Disconnect an existing network connections

dot1x – IEEE 802.1x Exec commands

E

enable – command to gain entry to Privileged EXEC.

eou – EAPoUDP

erase – erase a filesystem

erase startup-config – removes any changes made to the configuration.

erase NVRAM:startup-config – removes any changes made to the configuration.

Esc+B – Moves back one word.

Esc+F – Moves forward one word.

exit – Exit from the Exec

F

G

H

hostname ****** – gives the device a unique name (handy in a large network, **** name chosen.

I

J

K

L

M

N

no hostname – removes a hostname from a device

O

P

ping 10.10.10.5 – looks for the IP-address and see’s if it’s available

Q

R

reload – restores to previous configuration

S

show – verify the devices operation

show history – Shows last 20 commands entered by default

show running-config – shows the running configuration file

show terminal – Shows terminal configurations and history buffer size.

switch> – User EXEC

switch# – Privileged EXEC

switch(config)# – global configuration mode

switch(config-if)# – interface configuration mode

switch(config-line)# – line configuration mode

switch(config-vlan)# – vlan configuration mode

T

Tab – Finishes typing a command for you.

terminal history size – Changes buffer size (max 256)

traceroute 10.10.10.5 – traces the route of a ping between routers

U

V

W

X

Y

Z