Table 5: Finding Command Options
CommentCommand
Enter the enable command and password to access privileged
EXEC commands. You are in privileged EXEC mode when the
prompt changes to a “# ” from the “> ”; for example, Router> to
Router# .
Router> enable
Password: <password>
Router#
Enter the configure terminal privileged EXEC command to enter
global configuration mode. You are in global configuration mode
when the prompt changes to Router(config)# .
Router#
configure terminal
Enter configuration commands, one per line. End with
CNTL/Z.
Router(config)#
Enter interface configuration mode by specifying the serial
interface that you want to configure using the interface serial
global configuration command.
Enter ? to display what you must enter next on the command line.
In this example, you must enter the serial interface slot number
and port number, separated by a forward slash.
When the <cr> symbol is displayed, you can press Enter to
complete the command.
You are in interface configuration mode when the prompt changes
to Router(config-if)# .
Router(config)# interface serial ?
<0-6> Serial interface number
Router(config)# interface serial 4 ?
/
Router(config)# interface serial 4/ ?
<0-3> Serial interface number
Router(config)# interface serial 4/0 ?
<cr>
Router(config)# interface serial 4/0
Router(config-if)#
Enter ? to display a list of all the interface configuration
commands available for the serial interface. This example shows
only some of the available interface configuration commands.
Router(config-if)# ?
Interface configuration commands:
ip Interface Internet Protocol
config commands
keepalive Enable keepalive
lan-name LAN Name command
llc2 LLC2 Interface Subcommands
load-interval Specify interval for load
calculation for an
interface
locaddr-priority Assign a priority group
logging Configure logging for interface
loopback Configure internal loopback on
an interface
mac-address Manually set interface MAC
address
mls mls router sub/interface commands
mpoa MPOA interface configuration
commands
mtu Set the interface Maximum
Transmission Unit (MTU)
netbios Use a defined NETBIOS access list
or enable
name-caching
no Negate a command or set its
defaults
nrzi-encoding Enable use of NRZI encoding
ntp Configure NTP
Router(config-if)#
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
10 OL-14127-17
Using Cisco IOS XE Software
Finding Command Options: An Example