Table Of Contents

N Commands

ntp enable

ntp sync-retry

ntp peer

ntp server

ntp source

N Commands

---

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

ntp enable

To enable the Network Time Protocol (NTP) s, use the ntp enable command. To disable NTP, use the no form of this command.

ntp enable

no ntp enable

Syntax Description

This command has no arguments or keywords.

Defaults

None

Command Modes

Global configuration mode

Supported User Roles

network-admin
vdc-admin

Release	Modification
4.0(3)	This command was introduced.

Usage Guidelines

This command does not require a license.

Examples

This example shows how 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.