CLI Reference Guide-R04

Chapter 2 | 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 an accounting list with this name
arp Information of ARP cache
authorization Enables EXEC accounting
auto-traffic-control Auto traffic control information
banner Banner info
bridge-ext Bridge extension information
cable-diagnostics Shows the information of cable diagnostics
calendar Date and time information
class-map Displays class maps
cluster Display cluster
debug State of each debugging option
discard Discard packet
dns DNS information
dos-protection Shows the system dos-protection summary information
dot1q-tunnel dot1q-tunnel
dot1x 802.1X content
efm Ethernet First Mile feature
erps Displays ERPS configuration
ethernet Shows Metro Ethernet information
garp GARP properties
gvrp GVRP interface information
history Shows history information
hosts Host information
interfaces Shows interface information
ip IP information
ipv6 IPv6 information
l2protocol-tunnel Layer 2 protocol tunneling configuration
lacp LACP statistics
line TTY line information
lldp LLDP
log Log records
logging Logging setting
loop Shows the information of loopback
loopback-detection Shows loopback detection information
mac MAC access list
mac-address-table Configuration of the address table
mac-vlan MAC-based VLAN information
management Shows management information
memory Memory utilization
mvr Multicast vlan registration
mvr6 IPv6 Multicast VLAN registration
network-access Shows the entries of the secure port.
nlm Show notification log
ntp Network Time Protocol configuration
policy-map Displays policy maps
port Port characteristics
port-channel Port channel information