Using the Command-Line Interface 113
Entering CLI Commands
The switch CLI uses several techniques to help you enter commands.
Using the Question Mark to Get Help
Enter a question mark (?) at the command prompt to display the commands 
available in the current mode.
console(config-vlan)#?
exit To exit from the mode.
help Display help for various special keys.
ip Configure IP parameters.
ipv6 Configure IPv6 parameters.
protocol Configure the Protocols associated with 
particular Group Ids.
vlan Create a new VLAN or delete an existing 
VLAN.
Enter a question mark (?) after each word you enter to display available 
command keywords or parameters.
console(config)#vlan ?
database Type 'vlan database' to enter VLAN mode.
protocol Configure Protocol Based VLAN parameters.
If the help output shows a parameter in angle brackets, you must replace the 
parameter with a value.
console#telnet ?
<ip-address|hostname> Enter the valid host IP
address or Host Name.
If there are no additional command keywords or parameters, or if additional 
parameters are optional, the following message appears in the output:
<cr> Press enter to execute the command.