Difference between revisions of "Cisco General Notes"

Latest revision as of 22:14, 27 March 2013

Cisco uses a proprietary OS called 'IOS'

In order to make changes to the IOS configurations you need to login as an Enabled user, to do this type:

enable

You will then be prompted for a password (assuming a password has been set for this account).

show running-config

or in IOS Shorthand

sh run

config term
interface fa0/1

Prepend 'no' to a line to delete it. Example: To delete

switchport mode access

issue this command

no switchport mode access

Copy running config to startup config (RAM) to (NVRAM)

copy run start

config term
int fa0/1
shutdown
no shutdown
exit

show mac-address-table

or

sh mac-address-table

@@ Line 6: / Line 6: @@
 In order to make changes to the IOS configurations you need to login as an Enabled user, to do this type:
   enable
-You will then be prompted (assuming a password has been set for this account.
+You will then be prompted for a password (assuming a password has been set for this account).
 == Basic Commands ==
-Show the currently running configuration
-  show running_config
+=== Show the currently running configuration ===
+  show running-config
 or in IOS Shorthand
   sh run
+=== Configure an interface ===
+ config term
+ interface fa0/1
+=== Delete a line from a config ===
+Prepend 'no' to a line to delete it.
+Example:
+To delete
+ switchport mode access
+issue this command
+ no switchport mode access
+=== Save a config ===
+Copy running config to startup config (RAM) to (NVRAM)
+ copy run start
+=== Reset a port ===
+ config term
+ int fa0/1
+ shutdown
+ no shutdown
+ exit
+=== Show MAC Table ===
+ show mac-address-table
+or
+ sh mac-address-table
+== CCNA Cheat Sheet ==
+http://www.cb-net.co.uk/networking-articles/26-cisco-articles/56-ccna-ciso-router-cram-sheet
 [[Category:Cisco]]