Difference between revisions of "Cisco General Notes"

Revision as of 18:14, 23 February 2010 (view source) Ledhed (Talk | contribs) ← Older edit		Latest revision as of 22:14, 27 March 2013 (view source) Ledhed (Talk | contribs)
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	== Basic Commands ==		== Basic Commands ==
−	Show the currently running configuration	+
−	show running_config	+	=== Show the currently running configuration ===
		+
		+	show running-config
	or in IOS Shorthand		or in IOS Shorthand
	sh run		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

---

Latest revision as of 22:14, 27 March 2013

Cisco uses a proprietary OS called 'IOS'

Logging In

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).

Basic Commands

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