C
HAPTER
22
| Using the Command Line Interface
Entering Commands
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GETTING HELP ON
COMMANDS
You can display a brief description of the help system by entering the help
command. You can also display command syntax by using the “?” character
to list keywords or parameters.
SHOWING COMMANDS
If you enter a “?” at the command prompt, the system will display the first
level of keywords or command groups. You can also display a list of valid
keywords for a specific command. For example, the command “show ?”
displays a list of possible show commands:
Console#show ?
access-group Access groups
access-list Access lists
accounting Uses the specified accounting list
arp Information of ARP cache
authorization Authorization configurations
bridge-ext Bridge extension information
cable-diagnostics Shows the information of cable diagnostics
calendar Date and time information
class-map Displays class maps
dns DNS information
dot1q-tunnel 802.1Q tunnel
dot1x 802.1X content
garp GARP properties
gvrp GVRP interface information
history Shows history information
hosts Host information
interfaces Shows interface information
ip IP information
ipv6 IPv6 information
lacp LACP statistics
line TTY line information
lldp LLDP
log Log records
logging Logging setting
loop Shows the information of loopback
mac MAC access list
mac-address-table Configuration of the address table
mac-vlan MAC-based VLAN information
management Shows management information
map Maps priority
mvr Multicast VLAN registration
network-access Shows the entries of the secure port
nlm Show notification log
policy-map Displays policy maps
port Port characteristics
protocol-vlan Protocol-VLAN information
public-key Public key information
queue Priority queue information
radius-server RADIUS server information
rmon Remote Monitoring Protocol
running-config Information on the running configuration
snmp Simple Network Management Protocol configuration and
statistics
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
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