N Commands
Download this chapter
N CommandsN Commands
 Feedback

Table Of Contents

N Commands

ntp abort

ntp commit

ntp distribute

ntp enable

ntp sync-retry

ntp peer

ntp server

ntp source

ntp source-interface


N Commands

This chapter describes the Cisco NX-OS system management commands that begin with the letter N.

ntp abort

To abort the Network Time Protocol (NTP) configuration, use the ntp abort command.

ntp abort

Syntax Description

This command has no arguments or keywords.

Defaults

None

Command Modes

Global configuration mode

Supported User Roles

network-admin
network-operator
vdc-admin
vdc-operator

Command History

Release
Modification

4.1(1)

This command was introduced.


Usage Guidelines

This command does not require a license.

Examples

This example shows how to abort the NTP configuration: 

switch# ntp abort

No changes to abort

switch#

Related Commands

Command
Description

ntp commit

Commits the NTP configuration.

ntp distribute

Enables Cisco Fabric Services (CFS) distribution for NTP.


ntp commit

To commit the Network Time Protocol (NTP) configuration, use the ntp commit command.

ntp commit

Syntax Description

This command has no arguments or keywords.

Defaults

None

Command Modes

Global configuration mode

Supported User Roles

network-admin
network-operator
vdc-admin
vdc-operator

Command History

Release
Modification

4.1(1)

This command was introduced.


Usage Guidelines

This command does not require a license.

Examples

This example shows how to commit the NTP configuration: 

switch# ntp commit

switch#

Related Commands

Command
Description

ntp abort

Aborts the NTP configuration.

ntp distribute

Enables Cisco Fabric Services (CFS) distribution for NTP.


ntp distribute

To enable Cisco Fabric Services (CFS) distribution for the Network Time Protocol (NTP), use the ntp distribute command. To disable this feature, use the no form of this command.

ntp distribute

no ntp distribute

Syntax Description

This command has no arguments or keywords.

Defaults

None

Command Modes

Global configuration mode

Supported User Roles

network-admin
network-operator
vdc-admin
vdc-operator

Command History

Release
Modification

4.1(1)

This command was introduced.


Usage Guidelines

This command does not require a license.

Examples

This example shows how to distribute the active NTP configuration to the fabric: 

switch(config)# ntp distribute

switch(config)#


This example shows how to stop distribution of the active NTP configuration to the fabric:


switch(config)# no ntp distribute

switch(config)#

Related Commands

Command
Description

ntp abort

Aborts the NTP configuration.

ntp commit

Commits the NTP configuration.


ntp enable

To enable NTP, use the ntp enable command. To disable, use the no command form.

ntp enable

no ntp enable

Syntax Description

This command has no arguments or keywords.

Defaults

Enabled

Command Modes

Global configuration

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(3)

This command was introduced.


Usage Guidelines

This command does not require a license.

NTP must be configured in the default VDC. It cannot be configured in any other VDC.

Examples

This example shows how to disable NTP: 

switch# no ntp enable

Related Commands

Command
Description

ntp server

Configures a remote NTP server.


ntp sync-retry

To resynchronize the Network Time Protocol (NTP) with configured NTP servers, use the ntp sync-retry command.

ntp sync-retry

Syntax Description

This command has no arguments or keywords.

Defaults

None

Command Modes

Any command mode

Supported User Roles

network-admin
network-operator
vdc-admin
vdc-operator

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

This command does not require a license.

Examples

This example shows how to resynchronize NTP: 

switch# ntp sync-retry

Related Commands

Command
Description

ntp server

Configures a remote NTP server.


ntp peer

To do configure the Network Time Protocol peer, use the ntp peer command. To remove the peer, use the no form of this command.

ntp peer host [prefer] [use-vrf vrf]

no ntp peer host [prefer] [use-vrf vrf]

Syntax Description

host

Hostname or IP address of the NTP peer.

prefer

(Optional) Specifies this peer as the preferred peer.

use-vrf vrf

(Optional) Specifies the virtual routing and forwarding (VRF) used to reach this peer.


Defaults

None

Command Modes

Global configuration (config)

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

This command does not require a license.

Examples

This example shows how to configure an NTP peer: 

switch(config)# ntp peer 192.0.2.2

Related Commands

Command
Description

show ntp peer

Displays information about the NTP peer.


ntp server

To do configure a Network Time Protocol server, use the ntp server command. To remove the server, use the no form of this command.

ntp server host [prefer] [use-vrf vrf]

no ntp server host [prefer] [use-vrf vrf]

Syntax Description

host

Hostname or IP address of the NTP server.

prefer

(Optional) Specifies this server as the preferred server.

use-vrf vrf

(Optional) Specifies the virtual routing and forwarding (VRF) used to reach this peer.


Defaults

None

Command Modes

Global configuration (config)

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

This command does not require a license.

Examples

This example shows how to configure an NTP server: 

switch(config)# ntp server 192.0.2.2

Related Commands

Command
Description

show ntp peer

Displays information about the NTP peer.


ntp source

To do configure the Network Time Protocol source, use the ntp source command. To remove the NTP source, use the no form of this command.

ntp source addr

no ntp source addr

Syntax Description

addr

IPv4 or IPv6 address of the source. The IPv4 address format is dotted decimal, x.x.x.x. The IPv6 address format is hex A:B::C:D.


Defaults

None

Command Modes

Global configuration (config)

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.0(1)

This command was introduced.


Usage Guidelines

This command does not require a license.

Examples

This example shows how to configure the NTP source: 

switch(config)# ntp source 192.0.2.3

This example shows how to remove the NTP source: 

switch(config)# no ntp source 192.0.2.3

Related Commands

Command
Description

show ntp source

Displays information about the NTP source.


ntp source-interface

To configure the NTP source interface, use the ntp source-interface command. To remove an ntp source interface, use the no form of this command.

ntp source-interface if_index

no ntp source-interface if_index

Syntax Description

if_index

Source interface.


Defaults

None

Command Modes

Global configuration (config)

Supported User Roles

network-admin
vdc-admin

Command History

Release
Modification

4.1(3)

This command was introduced.


Usage Guidelines

This command does not require a license.

Examples

This example shows how to configure an NTP source interface: 

switch(config)# ntp source-interface loopback 1

switch(config)#

This example shows how to remove an NTP source configuration: 

switch(config)# no ntp source-interface loopback 1

switch(config)#

Command
Description

show ntp source-interface

Displays information about the NTP source interface.