Basic Switch Configurations Command
In this article I will introduce the Cisco Internetwork Operating System (IOS) command line interface (CLI) for the 2960 series switch. You will need to logon to a switch and become familiar with the different levels of access on the switch. You will also become familiar with the commands available to you in each mode (user or privileged) and the switch help facility, history, and editing features.
User vs. Privileged Mode
User mode is indicated with the > next to the switch name. You can look at settings but can not make changes from user mode. In Privilege mode, indicated by the #, you can do anything. To get into privilege mode the keyword is enable.
HELP
To view all commands available from this mode type:
?This will give you the list of all available commands for the switch in your current mode. You can also use the question mark after you have started typing a command. For example if you want to use a show command but you do not remember which one it is, use the ? as this will output all commands that you can use with the show command.
Configuration Mode
From privilege mode you can enter configuration mode by typing
config term command you can exit configuration mode type type end or
<CTL>+z Configuration of Cisco 2960 Switch
To practically implement these command either create a simple topology on packet tracer or download this topology.
To know all available command on user exec mode type ? and press enter Switch>?
Exec commands:
[1-99] Session number to resume
connect Open a terminal connection
disconnect Disconnect an existing network connection
enable Turn on privileged commands
exit Exit from the EXEC
logout Exit from the EXEC
ping Send echo messages
[Output is omitted]
Three command can be used to logout from terminal use any one Switch>enable
Switch#disable
Switch>exit
Switch con0 is now available
Press RETURN to get started.
Show version command will tell about the device platform and detected interface and ios name Switch>enable
Switch#show version
Cisco IOS Software, C2960 Software (C2960-LANBASE-M), Version
12.2(25)FX, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Compiled Wed 12-Oct-05 22:05 by pt_team
ROM: C2960 Boot Loader (C2960-HBOOT-M) Version 12.2(25r)FX,
RELEASE SOFTWARE (fc4)
System returned to ROM by power-on
Cisco WS-C2960-24TT (RC32300) processor (revision C0) with
21039K bytes of memory.
24 FastEthernet/IEEE 802.3 interface(s)
2 Gigabit Ethernet/IEEE 802.3 interface(s)
[Output is omitted]
show mac address command will show all detected mac address dynamically and manually Switch#show mac-address-table
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