C i s c o C o n f i d e n t i a l - B e t a R e v i e w R 3 . 7. 1
NTP Commands on Cisco IOS XR Software
source (NTP)
SMR-452
Cisco ASR 14000 Series Router System Management Command Reference
OL-17231-01
source (NTP)
To use a particular source address in Network Time Protocol (NTP) packets, use the
source
command
in NTP configuration mode. To remove the
source
command from the configuration file and restore the
system to its default condition, use the
no
form of this command.
source
interface-type
interface-id
no
source
Syntax Description
Defaults
The source address is determined by the outgoing interface.
Command Modes
NTP configuration
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper
task IDs.
interface-type
Interface type. For more information, use the question mark (
?
) online help
function.
interface-id
Either a physical or virtual interface identifier as follows:
•
Physical interface identifier. Naming notation is
rack
/
slot
/
module
/
port
and a slash between values is required as part of the notation.
–
rack
: Chassis number of the rack.
–
slot
: Physical slot number of the modular services card or line card.
–
module
: Module number. A physical layer interface module (PLIM)
is always 0.
–
port
: Physical port number of the interface.
Note
In references to a Management Ethernet interface located on a route
processor card, the physical slot number is alphanumeric (RP0 or
RP1) and the module is CPU0.
Example: interface MgmtEth0/RP1/CPU0/0.
•
Virtual interface identifier. Number range varies depending on interface
type.
Note
For more information about the syntax for the router, use the question
mark (
?
) online help function.
Release
Modification
Release 3.7.1
This command was introduced on the Cisco ASR 14000 Series Router.