Command Line Interface
5191553-KDU 137 365 Uen D 2006-06-16
7.2.4 Getting Help on Commands
A brief description of the help system can be displayed by entering the help
command. Command syntax can also be displayed by using the ? character to
list keywords or parameters.
7.2.4.1 Showing Commands
If a ? is entered at the command prompt, the system displays the first level of
keywords for the current command class (Normal Exec or Privileged Exec) or
configuration class (Global, ACL, DHCP, Interface, Line, Router, VLAN
Database, or MSTP). A list of valid keywords for a specific command can also
be displayed. For example, the command show ? displays a list of possible
show commands:
Console#show ?
access-group Access groups
access-list Access lists
arp Information of arp cache
bridge-ext Bridge extend information
calendar Date information
class-map Display class maps
dns DNS information
dot1q-tunnel 802.1Q tunnel ports information
dot1x Show 802.1x content
eaps Display EAPS infomation
garp Garp property
gvrp Show GVRP information of interface
history Information of history
hosts Host information
interfaces Information of interfaces
ip IP information
lacp Show LACP statistic
line TTY line information
logging Show the contents of logging buffers
mac MAC access lists
mac-address-table Set configuration of the address table
mac-learning Show status of MAC address learning
management Show management ip filter
map Map priority
mpls MPLS information
policy-map Display policy maps
port Characteristics of the port
power Show power
protocol-vlan Protocol-vlan information