C
HAPTER
19
| Using the Command Line Interface
Entering Commands
– 477 –
sntp Simple Network Time Protocol configuration
spanning-tree Spanning-tree configuration
ssh Secure shell server connections
startup-config Startup system configuration
subnet-vlan IP subnet-based VLAN information
system System information
tacacs-server TACACS server information
time-range Time range
traffic-segmentation Traffic segmentation information
upgrade Shows upgrade information
users Information about users logged in
version System hardware and software versions
vlan Shows virtual LAN settings
voice Shows the voice VLAN information
web-auth Shows web authentication configuration
Console#show
The command “show interfaces ?” will display the following information:
Console#show interfaces ?
counters Interface counters information
protocol-vlan Protocol-VLAN information
status Shows interface status
switchport Shows interface switchport information
Console#
PARTIAL KEYWORD
LOOKUP
If you terminate a partial keyword with a question mark, alternatives that
match the initial letters are provided. (Remember not to leave a space
between the command and question mark.) For example “s?” shows all the
keywords starting with “s.”
Console#show s?
snmp sntp spanning-tree ssh startup-config
subnet-vlan system
Console#show s
NEGATING THE EFFECT
OF
COMMANDS
For many configuration commands you can enter the prefix keyword “no”
to cancel the effect of a command or reset the configuration to the default
value. For example, the logging command will log system messages to a
host server. To disable logging, specify the no logging command. This
guide describes the negation effect for all applicable commands.
USING COMMAND
HISTORY
The CLI maintains a history of commands that have been entered. You can
scroll back through the history of commands by pressing the up arrow key.
Any command displayed in the history list can be executed again, or first
modified and then executed.
Using the show history command displays a longer list of recently
executed commands.
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